PageSourceSearch

https://opencensus.io/introduction/

html opencensus.io collected 2026-10-01 10:28:20 UTC 67,740 bytes, 1,948 lines download raw bytes

1<!DOCTYPE html>
2<html>
3  <head>
4    <title>OpenCensus</title>
5    
6      <meta charset="utf-8">
7<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
8<meta name="generator" content="Hugo 0.32" />
9<title>Introduction :: OpenCensus</title>
10<link rel="shortcut icon" href="/images/favicon.ico" type="image/x-icon" />
11<link href="/css/font-awesome.min.css" rel="stylesheet">
12<link href="/css/nucleus.css" rel="stylesheet">
13<link href="/theme-flex/style.css" rel="stylesheet">
14
15<link rel="stylesheet" href="/css/bootstrap.min.css">
16<script src="/js/jquery-2.x.min.js"></script>
vendor: 1 bytes, line 16
16
17<script type="text/javascript">
18      var baseurl = "https:\/\/opencensus.io\/";
19</script>
19
20<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-rc.2/css/materialize.min.css">
21<link rel="stylesheet" href="/css/header.css">
22<link rel="stylesheet" href="/css/footer.css">
23<link rel="stylesheet" href="/css/content.css">
24<link rel="stylesheet" href="/css/buttons.css">
25<link rel="stylesheet" href="/css/feature-matrix.css">
26
27<style>
28  .shortcuts {
29    height: initial;
30    line-height: initial;
31  }
32
33  .nav i {
34    height: initial;
35  }
36
37  .tabs-body pre {
38    margin-top: 0;
39  }
40
41  ul:not(.browser-default) {
42    padding-left: 22.5px;
43    padding-right: 22.5px;
44  }
45
46  ul:not(.browser-default),
47  ul:not(.browser-default) > li {
48    list-style-type: initial;
49  }
50
51  ul.menu,
52  ul.menu ul {
53    padding: 0;
54  }
55
56  .hide {
57    display: none;
58  }
59
60  .menu *,
61  .menu a,
62  a {
63    color: #242A31;
64  }
65
66  .menu .dd-item.haschildren > div > a.highlight,
67  .menu > .dd-item > div > a.highlight {
68    color: #242A31;
69  }
70
71  .menu .dd-item a.highlight {
72    color: #9DAAB6;
73  }
74
75  .menu .dd-item.active > div > a.highlight {
76    color: #BF2A32;
77  }
78
79  section a {
80    color: #039be5;
81  }
82</style>
83
84
85    
86  </head>
87  <body data-url="/introduction/">
88    
89      <header class="header-opentelemetry">
90  <div class="logo">
91    
92	
93  
94    <p><a href="/"><img src="https://opencensus.io/img/logo-sm.svg" alt="OpenCensus Logo" /> <span>Open</span>Census</a></p>
95
96  
97
98  </div>
99  <div class="burger"><a href="javascript:void(0);" style="font-size:15px;">&#9776;</a></div>
100  <div class="opentelemetry-note">
101    <a class="opentelemetry-button btn btn-light" target="_blank" href="https://opentelemetry.io/blog/2023/sunsetting-opencensus/">OpenCensus is being archived! Read the blog post to learn more</a>
102  </div>
103</header>
104<article>
105  <aside>
106    <ul class="menu">
107    <li data-nav-id="/introduction/" class="dd-item parent active
108        ">
109      <div>
110      <a href="/introduction/">Introduction</a><i class="fa fa-circle-thin read-icon"></i>
111      </div>
112    </li>
113    <li data-nav-id="/quickstart/" class="dd-item haschildren
114        ">
115      <div>
116      <a href="/quickstart/">Quickstart</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
117      </div>
118        <ul>
119    <li data-nav-id="/quickstart/dotnet/" class="dd-item haschildren
120        ">
121      <div>
122      <a href="/quickstart/dotnet/">C#</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
123      </div>
124        <ul>
125      <li data-nav-id="/quickstart/dotnet/tracing/" class="dd-item">
126        <div>
127          <a href="/quickstart/dotnet/tracing/">
128            Tracing
129          </a><i class="fa fa-circle-thin read-icon"></i>
130        </div>
131    </li>
132        </ul>
133    </li>
134    <li data-nav-id="/quickstart/erlang/" class="dd-item haschildren
135        ">
136      <div>
137      <a href="/quickstart/erlang/">Erlang/Elixir</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
138      </div>
139        <ul>
140      <li data-nav-id="/quickstart/erlang/metrics/" class="dd-item">
141        <div>
142          <a href="/quickstart/erlang/metrics/">
143            Metrics
144          </a><i class="fa fa-circle-thin read-icon"></i>
145        </div>
146    </li>
147      <li data-nav-id="/quickstart/erlang/tracing/" class="dd-item">
148        <div>
149          <a href="/quickstart/erlang/tracing/">
150            Tracing
151          </a><i class="fa fa-circle-thin read-icon"></i>
152        </div>
153    </li>
154        </ul>
155    </li>
156    <li data-nav-id="/quickstart/cpp/" class="dd-item haschildren
157        ">
158      <div>
159      <a href="/quickstart/cpp/">C&#43;&#43;</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
160      </div>
161        <ul>
162      <li data-nav-id="/quickstart/cpp/metrics/" class="dd-item">
163        <div>
164          <a href="/quickstart/cpp/metrics/">
165            Metrics
166          </a><i class="fa fa-circle-thin read-icon"></i>
167        </div>
168    </li>
169      <li data-nav-id="/quickstart/cpp/tracing/" class="dd-item">
170        <div>
171          <a href="/quickstart/cpp/tracing/">
172            Tracing
173          </a><i class="fa fa-circle-thin read-icon"></i>
174        </div>
175    </li>
176        </ul>
177    </li>
178    <li data-nav-id="/quickstart/java/" class="dd-item haschildren
179        ">
180      <div>
181      <a href="/quickstart/java/">Java</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
182      </div>
183        <ul>
184      <li data-nav-id="/quickstart/java/tracing/" class="dd-item">
185        <div>
186          <a href="/quickstart/java/tracing/">
187            Tracing
188          </a><i class="fa fa-circle-thin read-icon"></i>
189        </div>
190    </li>
191      <li data-nav-id="/quickstart/java/metrics/" class="dd-item">
192        <div>
193          <a href="/quickstart/java/metrics/">
194            Metrics
195          </a><i class="fa fa-circle-thin read-icon"></i>
196        </div>
197    </li>
198        </ul>
199    </li>
200    <li data-nav-id="/quickstart/go/" class="dd-item haschildren
201        ">
202      <div>
203      <a href="/quickstart/go/">Go</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
204      </div>
205        <ul>
206      <li data-nav-id="/quickstart/go/metrics/" class="dd-item">
207        <div>
208          <a href="/quickstart/go/metrics/">
209            Metrics
210          </a><i class="fa fa-circle-thin read-icon"></i>
211        </div>
212    </li>
213      <li data-nav-id="/quickstart/go/tracing/" class="dd-item">
214        <div>
215          <a href="/quickstart/go/tracing/">
216            Tracing
217          </a><i class="fa fa-circle-thin read-icon"></i>
218        </div>
219    </li>
220        </ul>
221    </li>
222    <li data-nav-id="/quickstart/nodejs/" class="dd-item haschildren
223        ">
224      <div>
225      <a href="/quickstart/nodejs/">Node.js</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
226      </div>
227        <ul>
228      <li data-nav-id="/quickstart/nodejs/metrics/" class="dd-item">
229        <div>
230          <a href="/quickstart/nodejs/metrics/">
231            Metrics
232          </a><i class="fa fa-circle-thin read-icon"></i>
233        </div>
234    </li>
235      <li data-nav-id="/quickstart/nodejs/tracing/" class="dd-item">
236        <div>
237          <a href="/quickstart/nodejs/tracing/">
238            Tracing
239          </a><i class="fa fa-circle-thin read-icon"></i>
240        </div>
241    </li>
242        </ul>
243    </li>
244    <li data-nav-id="/quickstart/python/" class="dd-item haschildren
245        ">
246      <div>
247      <a href="/quickstart/python/">Python</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
248      </div>
249        <ul>
250      <li data-nav-id="/quickstart/python/tracing/" class="dd-item">
251        <div>
252          <a href="/quickstart/python/tracing/">
253            Tracing
254          </a><i class="fa fa-circle-thin read-icon"></i>
255        </div>
256    </li>
257      <li data-nav-id="/quickstart/python/metrics/" class="dd-item">
258        <div>
259          <a href="/quickstart/python/metrics/">
260            Metrics
261          </a><i class="fa fa-circle-thin read-icon"></i>
262        </div>
263    </li>
264        </ul>
265    </li>
266        </ul>
267    </li>
268    <li data-nav-id="/tracing/" class="dd-item haschildren
269        ">
270      <div>
271      <a href="/tracing/">Tracing</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
272      </div>
273        <ul>
274    <li data-nav-id="/tracing/span/" class="dd-item haschildren
275        ">
276      <div>
277      <a href="/tracing/span/">Span</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
278      </div>
279        <ul>
280      <li data-nav-id="/tracing/span/name/" class="dd-item">
281        <div>
282          <a href="/tracing/span/name/">
283            Name
284          </a><i class="fa fa-circle-thin read-icon"></i>
285        </div>
286    </li>
287      <li data-nav-id="/tracing/span/spanid/" class="dd-item">
288        <div>
289          <a href="/tracing/span/spanid/">
290            SpanID
291          </a><i class="fa fa-circle-thin read-icon"></i>
292        </div>
293    </li>
294      <li data-nav-id="/tracing/span/traceid/" class="dd-item">
295        <div>
296          <a href="/tracing/span/traceid/">
297            TraceID
298          </a><i class="fa fa-circle-thin read-icon"></i>
299        </div>
300    </li>
301      <li data-nav-id="/tracing/span/parentspanid/" class="dd-item">
302        <div>
303          <a href="/tracing/span/parentspanid/">
304            ParentSpanID
305          </a><i class="fa fa-circle-thin read-icon"></i>
306        </div>
307    </li>
308      <li data-nav-id="/tracing/span/time/" class="dd-item">
309        <div>
310          <a href="/tracing/span/time/">
311            StartTime/EndTime
312          </a><i class="fa fa-circle-thin read-icon"></i>
313        </div>
314    </li>
315      <li data-nav-id="/tracing/span/status/" class="dd-item">
316        <div>
317          <a href="/tracing/span/status/">
318            Status
319          </a><i class="fa fa-circle-thin read-icon"></i>
320        </div>
321    </li>
322    <li data-nav-id="/tracing/span/time_events/" class="dd-item haschildren
323        ">
324      <div>
325      <a href="/tracing/span/time_events/">Time events</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
326      </div>
327        <ul>
328      <li data-nav-id="/tracing/span/time_events/annotation/" class="dd-item">
329        <div>
330          <a href="/tracing/span/time_events/annotation/">
331            Annotation
332          </a><i class="fa fa-circle-thin read-icon"></i>
333        </div>
334    </li>
335      <li data-nav-id="/tracing/span/time_events/message_event/" class="dd-item">
336        <div>
337          <a href="/tracing/span/time_events/message_event/">
338            Message events
339          </a><i class="fa fa-circle-thin read-icon"></i>
340        </div>
341    </li>
342        </ul>
343    </li>
344      <li data-nav-id="/tracing/span/link/" class="dd-item">
345        <div>
346          <a href="/tracing/span/link/">
347            Link
348          </a><i class="fa fa-circle-thin read-icon"></i>
349        </div>
350    </li>
351      <li data-nav-id="/tracing/span/kind/" class="dd-item">
352        <div>
353          <a href="/tracing/span/kind/">
354            SpanKind
355          </a><i class="fa fa-circle-thin read-icon"></i>
356        </div>
357    </li>
358      <li data-nav-id="/tracing/span/traceoptions/" class="dd-item">
359        <div>
360          <a href="/tracing/span/traceoptions/">
361            TraceOptions
362          </a><i class="fa fa-circle-thin read-icon"></i>
363        </div>
364    </li>
365      <li data-nav-id="/tracing/span/tracestate/" class="dd-item">
366        <div>
367          <a href="/tracing/span/tracestate/">
368            Tracestate
369          </a><i class="fa fa-circle-thin read-icon"></i>
370        </div>
371    </li>
372        </ul>
373    </li>
374    <li data-nav-id="/tracing/sampling/" class="dd-item haschildren
375        ">
376      <div>
377      <a href="/tracing/sampling/">Sampling</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
378      </div>
379        <ul>
380      <li data-nav-id="/tracing/sampling/always/" class="dd-item">
381        <div>
382          <a href="/tracing/sampling/always/">
383            Always
384          </a><i class="fa fa-circle-thin read-icon"></i>
385        </div>
386    </li>
387      <li data-nav-id="/tracing/sampling/never/" class="dd-item">
388        <div>
389          <a href="/tracing/sampling/never/">
390            Never
391          </a><i class="fa fa-circle-thin read-icon"></i>
392        </div>
393    </li>
394      <li data-nav-id="/tracing/sampling/probabilistic/" class="dd-item">
395        <div>
396          <a href="/tracing/sampling/probabilistic/">
397            Probabilistic
398          </a><i class="fa fa-circle-thin read-icon"></i>
399        </div>
400    </li>
401      <li data-nav-id="/tracing/sampling/ratelimited/" class="dd-item">
402        <div>
403          <a href="/tracing/sampling/ratelimited/">
404            RateLimiting
405          </a><i class="fa fa-circle-thin read-icon"></i>
406        </div>
407    </li>
408        </ul>
409    </li>
410        </ul>
411    </li>
412    <li data-nav-id="/tag/" class="dd-item haschildren
413        ">
414      <div>
415      <a href="/tag/">Tags</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
416      </div>
417        <ul>
418      <li data-nav-id="/tag/key/" class="dd-item">
419        <div>
420          <a href="/tag/key/">
421            TagKey
422          </a><i class="fa fa-circle-thin read-icon"></i>
423        </div>
424    </li>
425      <li data-nav-id="/tag/value/" class="dd-item">
426        <div>
427          <a href="/tag/value/">
428            TagValue
429          </a><i class="fa fa-circle-thin read-icon"></i>
430        </div>
431    </li>
432      <li data-nav-id="/tag/map/" class="dd-item">
433        <div>
434          <a href="/tag/map/">
435            TagMap/TagContext
436          </a><i class="fa fa-circle-thin read-icon"></i>
437        </div>
438    </li>
439      <li data-nav-id="/tag/serialization/" class="dd-item">
440        <div>
441          <a href="/tag/serialization/">
442            Serialization
443          </a><i class="fa fa-circle-thin read-icon"></i>
444        </div>
445    </li>
446        </ul>
447    </li>
448    <li data-nav-id="/stats/" class="dd-item haschildren
449        ">
450      <div>
451      <a href="/stats/">Stats/Metrics</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
452      </div>
453        <ul>
454      <li data-nav-id="/stats/measurement/" class="dd-item">
455        <div>
456          <a href="/stats/measurement/">
457            Measurement
458          </a><i class="fa fa-circle-thin read-icon"></i>
459        </div>
460    </li>
461      <li data-nav-id="/stats/measure/" class="dd-item">
462        <div>
463          <a href="/stats/measure/">
464            Measure
465          </a><i class="fa fa-circle-thin read-icon"></i>
466        </div>
467    </li>
468      <li data-nav-id="/stats/view/" class="dd-item">
469        <div>
470          <a href="/stats/view/">
471            View
472          </a><i class="fa fa-circle-thin read-icon"></i>
473        </div>
474    </li>
475      <li data-nav-id="/stats/sampling/" class="dd-item">
476        <div>
477          <a href="/stats/sampling/">
478            Sampling
479          </a><i class="fa fa-circle-thin read-icon"></i>
480        </div>
481    </li>
482        </ul>
483    </li>
484    <li data-nav-id="/exporters/" class="dd-item haschildren
485        ">
486      <div>
487      <a href="/exporters/">Exporters</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
488      </div>
489        <ul>
490    <li data-nav-id="/exporters/supported-exporters/" class="dd-item haschildren
491        ">
492      <div>
493      <a href="/exporters/supported-exporters/">Supported Exporters</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
494      </div>
495        <ul>
496    <li data-nav-id="/exporters/supported-exporters/node.js/" class="dd-item haschildren
497        ">
498      <div>
499      <a href="/exporters/supported-exporters/node.js/">Node.js</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
500      </div>
501        <ul>
502      <li data-nav-id="/exporters/supported-exporters/node.js/stackdriver-stats/" class="dd-item">
503        <div>
504          <a href="/exporters/supported-exporters/node.js/stackdriver-stats/">
505            Stackdriver (Stats)
506          </a><i class="fa fa-circle-thin read-icon"></i>
507        </div>
508    </li>
509      <li data-nav-id="/exporters/supported-exporters/node.js/stackdriver-trace/" class="dd-item">
510        <div>
511          <a href="/exporters/supported-exporters/node.js/stackdriver-trace/">
512            Stackdriver (Tracing)
513          </a><i class="fa fa-circle-thin read-icon"></i>
514        </div>
515    </li>
516      <li data-nav-id="/exporters/supported-exporters/node.js/instana/" class="dd-item">
517        <div>
518          <a href="/exporters/supported-exporters/node.js/instana/">
519            Instana (Tracing)
520          </a><i class="fa fa-circle-thin read-icon"></i>
521        </div>
522    </li>
523      <li data-nav-id="/exporters/supported-exporters/node.js/jaeger/" class="dd-item">
524        <div>
525          <a href="/exporters/supported-exporters/node.js/jaeger/">
526            Jaeger (Tracing)
527          </a><i class="fa fa-circle-thin read-icon"></i>
528        </div>
529    </li>
530      <li data-nav-id="/exporters/supported-exporters/node.js/prometheus/" class="dd-item">
531        <div>
532          <a href="/exporters/supported-exporters/node.js/prometheus/">
533            Prometheus (Stats)
534          </a><i class="fa fa-circle-thin read-icon"></i>
535        </div>
536    </li>
537      <li data-nav-id="/exporters/supported-exporters/node.js/zipkin/" class="dd-item">
538        <div>
539          <a href="/exporters/supported-exporters/node.js/zipkin/">
540            Zipkin (Tracing)
541          </a><i class="fa fa-circle-thin read-icon"></i>
542        </div>
543    </li>
544        </ul>
545    </li>
546    <li data-nav-id="/exporters/supported-exporters/python/" class="dd-item haschildren
547        ">
548      <div>
549      <a href="/exporters/supported-exporters/python/">Python</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
550      </div>
551        <ul>
552      <li data-nav-id="/exporters/supported-exporters/python/newrelic/" class="dd-item">
553        <div>
554          <a href="/exporters/supported-exporters/python/newrelic/">
555            New Relic (Stats and Tracing)
556          </a><i class="fa fa-circle-thin read-icon"></i>
557        </div>
558    </li>
559      <li data-nav-id="/exporters/supported-exporters/python/datadog/" class="dd-item">
560        <div>
561          <a href="/exporters/supported-exporters/python/datadog/">
562            Datadog (Stats and Tracing)
563          </a><i class="fa fa-circle-thin read-icon"></i>
564        </div>
565    </li>
566      <li data-nav-id="/exporters/supported-exporters/python/azuremonitor/" class="dd-item">
567        <div>
568          <a href="/exporters/supported-exporters/python/azuremonitor/">
569            Azure Monitor
570          </a><i class="fa fa-circle-thin read-icon"></i>
571        </div>
572    </li>
573      <li data-nav-id="/exporters/supported-exporters/python/honeycomb/" class="dd-item">
574        <div>
575          <a href="/exporters/supported-exporters/python/honeycomb/">
576            Honeycomb.io (Tracing)
577          </a><i class="fa fa-circle-thin read-icon"></i>
578        </div>
579    </li>
580      <li data-nav-id="/exporters/supported-exporters/python/stackdriver/" class="dd-item">
581        <div>
582          <a href="/exporters/supported-exporters/python/stackdriver/">
583            Stackdriver (Tracing)
584          </a><i class="fa fa-circle-thin read-icon"></i>
585        </div>
586    </li>
587      <li data-nav-id="/exporters/supported-exporters/python/jaeger/" class="dd-item">
588        <div>
589          <a href="/exporters/supported-exporters/python/jaeger/">
590            Jaeger (Tracing)
591          </a><i class="fa fa-circle-thin read-icon"></i>
592        </div>
593    </li>
594      <li data-nav-id="/exporters/supported-exporters/python/zipkin/" class="dd-item">
595        <div>
596          <a href="/exporters/supported-exporters/python/zipkin/">
597            Zipkin (Tracing)
598          </a><i class="fa fa-circle-thin read-icon"></i>
599        </div>
600    </li>
601        </ul>
602    </li>
603    <li data-nav-id="/exporters/supported-exporters/go/" class="dd-item haschildren
604        ">
605      <div>
606      <a href="/exporters/supported-exporters/go/">Go</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
607      </div>
608        <ul>
609      <li data-nav-id="/exporters/supported-exporters/go/ocagent/" class="dd-item">
610        <div>
611          <a href="/exporters/supported-exporters/go/ocagent/">
612            OpenCensus Agent
613          </a><i class="fa fa-circle-thin read-icon"></i>
614        </div>
615    </li>
616      <li data-nav-id="/exporters/supported-exporters/go/wavefront/" class="dd-item">
617        <div>
618          <a href="/exporters/supported-exporters/go/wavefront/">
619            Wavefront
620          </a><i class="fa fa-circle-thin read-icon"></i>
621        </div>
622    </li>
623      <li data-nav-id="/exporters/supported-exporters/go/applicationinsights/" class="dd-item">
624        <div>
625          <a href="/exporters/supported-exporters/go/applicationinsights/">
626            Azure Monitor
627          </a><i class="fa fa-circle-thin read-icon"></i>
628        </div>
629    </li>
630      <li data-nav-id="/exporters/supported-exporters/go/honeycomb/" class="dd-item">
631        <div>
632          <a href="/exporters/supported-exporters/go/honeycomb/">
633            Honeycomb.io (Tracing)
634          </a><i class="fa fa-circle-thin read-icon"></i>
635        </div>
636    </li>
637      <li data-nav-id="/exporters/supported-exporters/go/xray/" class="dd-item">
638        <div>
639          <a href="/exporters/supported-exporters/go/xray/">
640            AWS X-Ray (Tracing)
641          </a><i class="fa fa-circle-thin read-icon"></i>
642        </div>
643    </li>
644      <li data-nav-id="/exporters/supported-exporters/go/datadog/" class="dd-item">
645        <div>
646          <a href="/exporters/supported-exporters/go/datadog/">
647            Datadog (Stats and Tracing)
648          </a><i class="fa fa-circle-thin read-icon"></i>
649        </div>
650    </li>
651      <li data-nav-id="/exporters/supported-exporters/go/jaeger/" class="dd-item">
652        <div>
653          <a href="/exporters/supported-exporters/go/jaeger/">
654            Jaeger (Tracing)
655          </a><i class="fa fa-circle-thin read-icon"></i>
656        </div>
657    </li>
658      <li data-nav-id="/exporters/supported-exporters/go/prometheus/" class="dd-item">
659        <div>
660          <a href="/exporters/supported-exporters/go/prometheus/">
661            Prometheus (Stats)
662          </a><i class="fa fa-circle-thin read-icon"></i>
663        </div>
664    </li>
665      <li data-nav-id="/exporters/supported-exporters/go/stackdriver/" class="dd-item">
666        <div>
667          <a href="/exporters/supported-exporters/go/stackdriver/">
668            Stackdriver (Stats and Tracing)
669          </a><i class="fa fa-circle-thin read-icon"></i>
670        </div>
671    </li>
672      <li data-nav-id="/exporters/supported-exporters/go/zipkin/" class="dd-item">
673        <div>
674          <a href="/exporters/supported-exporters/go/zipkin/">
675            Zipkin (Tracing)
676          </a><i class="fa fa-circle-thin read-icon"></i>
677        </div>
678    </li>
679      <li data-nav-id="/exporters/supported-exporters/go/newrelic/" class="dd-item">
680        <div>
681          <a href="/exporters/supported-exporters/go/newrelic/">
682            New Relic (Stats and Tracing)
683          </a><i class="fa fa-circle-thin read-icon"></i>
684        </div>
685    </li>
686        </ul>
687    </li>
688    <li data-nav-id="/exporters/supported-exporters/java/" class="dd-item haschildren
689        ">
690      <div>
691      <a href="/exporters/supported-exporters/java/">Java</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
692      </div>
693        <ul>
694      <li data-nav-id="/exporters/supported-exporters/java/ocagent/" class="dd-item">
695        <div>
696          <a href="/exporters/supported-exporters/java/ocagent/">
697            OpenCensus Agent
698          </a><i class="fa fa-circle-thin read-icon"></i>
699        </div>
700    </li>
701      <li data-nav-id="/exporters/supported-exporters/java/jaeger/" class="dd-item">
702        <div>
703          <a href="/exporters/supported-exporters/java/jaeger/">
704            Jaeger (Tracing)
705          </a><i class="fa fa-circle-thin read-icon"></i>
706        </div>
707    </li>
708      <li data-nav-id="/exporters/supported-exporters/java/zipkin/" class="dd-item">
709        <div>
710          <a href="/exporters/supported-exporters/java/zipkin/">
711            Zipkin (Tracing)
712          </a><i class="fa fa-circle-thin read-icon"></i>
713        </div>
714    </li>
715      <li data-nav-id="/exporters/supported-exporters/java/signalfx/" class="dd-item">
716        <div>
717          <a href="/exporters/supported-exporters/java/signalfx/">
718            SignalFx (Stats)
719          </a><i class="fa fa-circle-thin read-icon"></i>
720        </div>
721    </li>
722      <li data-nav-id="/exporters/supported-exporters/java/prometheus/" class="dd-item">
723        <div>
724          <a href="/exporters/supported-exporters/java/prometheus/">
725            Prometheus (Stats)
726          </a><i class="fa fa-circle-thin read-icon"></i>
727        </div>
728    </li>
729      <li data-nav-id="/exporters/supported-exporters/java/instana/" class="dd-item">
730        <div>
731          <a href="/exporters/supported-exporters/java/instana/">
732            Instana (Tracing)
733          </a><i class="fa fa-circle-thin read-icon"></i>
734        </div>
735    </li>
736      <li data-nav-id="/exporters/supported-exporters/java/stackdriver-stats/" class="dd-item">
737        <div>
738          <a href="/exporters/supported-exporters/java/stackdriver-stats/">
739            Stackdriver (Stats)
740          </a><i class="fa fa-circle-thin read-icon"></i>
741        </div>
742    </li>
743      <li data-nav-id="/exporters/supported-exporters/java/stackdriver-trace/" class="dd-item">
744        <div>
745          <a href="/exporters/supported-exporters/java/stackdriver-trace/">
746            Stackdriver (Tracing)
747          </a><i class="fa fa-circle-thin read-icon"></i>
748        </div>
749    </li>
750        </ul>
751    </li>
752        </ul>
753    </li>
754    <li data-nav-id="/exporters/custom-exporter/" class="dd-item haschildren
755        ">
756      <div>
757      <a href="/exporters/custom-exporter/">Writing a custom exporter</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
758      </div>
759        <ul>
760    <li data-nav-id="/exporters/custom-exporter/cpp/" class="dd-item haschildren
761        ">
762      <div>
763      <a href="/exporters/custom-exporter/cpp/">C&#43;&#43;</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
764      </div>
765        <ul>
766      <li data-nav-id="/exporters/custom-exporter/cpp/tracing/" class="dd-item">
767        <div>
768          <a href="/exporters/custom-exporter/cpp/tracing/">
769            Trace exporter
770          </a><i class="fa fa-circle-thin read-icon"></i>
771        </div>
772    </li>
773        </ul>
774    </li>
775    <li data-nav-id="/exporters/custom-exporter/go/" class="dd-item haschildren
776        ">
777      <div>
778      <a href="/exporters/custom-exporter/go/">Go</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
779      </div>
780        <ul>
781      <li data-nav-id="/exporters/custom-exporter/go/metrics/" class="dd-item">
782        <div>
783          <a href="/exporters/custom-exporter/go/metrics/">
784            Metrics exporter
785          </a><i class="fa fa-circle-thin read-icon"></i>
786        </div>
787    </li>
788      <li data-nav-id="/exporters/custom-exporter/go/trace/" class="dd-item">
789        <div>
790          <a href="/exporters/custom-exporter/go/trace/">
791            Trace exporter
792          </a><i class="fa fa-circle-thin read-icon"></i>
793        </div>
794    </li>
795        </ul>
796    </li>
797    <li data-nav-id="/exporters/custom-exporter/java/" class="dd-item haschildren
798        ">
799      <div>
800      <a href="/exporters/custom-exporter/java/">Java</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
801      </div>
802        <ul>
803      <li data-nav-id="/exporters/custom-exporter/java/metrics/" class="dd-item">
804        <div>
805          <a href="/exporters/custom-exporter/java/metrics/">
806            Metrics exporter
807          </a><i class="fa fa-circle-thin read-icon"></i>
808        </div>
809    </li>
810      <li data-nav-id="/exporters/custom-exporter/java/trace/" class="dd-item">
811        <div>
812          <a href="/exporters/custom-exporter/java/trace/">
813            Trace exporter
814          </a><i class="fa fa-circle-thin read-icon"></i>
815        </div>
816    </li>
817        </ul>
818    </li>
819    <li data-nav-id="/exporters/custom-exporter/node.js/" class="dd-item haschildren
820        ">
821      <div>
822      <a href="/exporters/custom-exporter/node.js/">Node.js</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
823      </div>
824        <ul>
825      <li data-nav-id="/exporters/custom-exporter/node.js/metrics/" class="dd-item">
826        <div>
827          <a href="/exporters/custom-exporter/node.js/metrics/">
828            Stats exporter
829          </a><i class="fa fa-circle-thin read-icon"></i>
830        </div>
831    </li>
832      <li data-nav-id="/exporters/custom-exporter/node.js/trace/" class="dd-item">
833        <div>
834          <a href="/exporters/custom-exporter/node.js/trace/">
835            Trace exporter
836          </a><i class="fa fa-circle-thin read-icon"></i>
837        </div>
838    </li>
839        </ul>
840    </li>
841        </ul>
842    </li>
843        </ul>
844    </li>
845    <li data-nav-id="/zpages/" class="dd-item haschildren
846        ">
847      <div>
848      <a href="/zpages/">zPages</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
849      </div>
850        <ul>
851      <li data-nav-id="/zpages/go/" class="dd-item">
852        <div>
853          <a href="/zpages/go/">
854            Go
855          </a><i class="fa fa-circle-thin read-icon"></i>
856        </div>
857    </li>
858      <li data-nav-id="/zpages/java/" class="dd-item">
859        <div>
860          <a href="/zpages/java/">
861            Java
862          </a><i class="fa fa-circle-thin read-icon"></i>
863        </div>
864    </li>
865      <li data-nav-id="/zpages/node/" class="dd-item">
866        <div>
867          <a href="/zpages/node/">
868            Node
869          </a><i class="fa fa-circle-thin read-icon"></i>
870        </div>
871    </li>
872        </ul>
873    </li>
874    <li data-nav-id="/service/" class="dd-item haschildren
875        ">
876      <div>
877      <a href="/service/">Service</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
878      </div>
879        <ul>
880    <li data-nav-id="/service/components/" class="dd-item haschildren
881        ">
882      <div>
883      <a href="/service/components/">Components</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
884      </div>
885        <ul>
886    <li data-nav-id="/service/components/agent/" class="dd-item haschildren
887        ">
888      <div>
889      <a href="/service/components/agent/">Agent</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
890      </div>
891        <ul>
892      <li data-nav-id="/service/components/agent/install/" class="dd-item">
893        <div>
894          <a href="/service/components/agent/install/">
895            Installing it
896          </a><i class="fa fa-circle-thin read-icon"></i>
897        </div>
898    </li>
899        </ul>
900    </li>
901    <li data-nav-id="/service/components/collector/" class="dd-item haschildren
902        ">
903      <div>
904      <a href="/service/components/collector/">Collector</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
905      </div>
906        <ul>
907      <li data-nav-id="/service/components/collector/install/" class="dd-item">
908        <div>
909          <a href="/service/components/collector/install/">
910            Installing it
911          </a><i class="fa fa-circle-thin read-icon"></i>
912        </div>
913    </li>
914        </ul>
915    </li>
916        </ul>
917    </li>
918    <li data-nav-id="/service/receivers/" class="dd-item haschildren
919        ">
920      <div>
921      <a href="/service/receivers/">Receivers</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
922      </div>
923        <ul>
924    <li data-nav-id="/service/receivers/opencensus/" class="dd-item
925        ">
926      <div>
927      <a href="/service/receivers/opencensus/">OpenCensus</a><i class="fa fa-circle-thin read-icon"></i>
928      </div>
929    </li>
930    <li data-nav-id="/service/receivers/jaeger/" class="dd-item
931        ">
932      <div>
933      <a href="/service/receivers/jaeger/">Jaeger</a><i class="fa fa-circle-thin read-icon"></i>
934      </div>
935    </li>
936    <li data-nav-id="/service/receivers/prometheus/" class="dd-item
937        ">
938      <div>
939      <a href="/service/receivers/prometheus/">Prometheus</a><i class="fa fa-circle-thin read-icon"></i>
940      </div>
941    </li>
942    <li data-nav-id="/service/receivers/zipkin/" class="dd-item
943        ">
944      <div>
945      <a href="/service/receivers/zipkin/">Zipkin</a><i class="fa fa-circle-thin read-icon"></i>
946      </div>
947    </li>
948        </ul>
949    </li>
950    <li data-nav-id="/service/exporters/" class="dd-item haschildren
951        ">
952      <div>
953      <a href="/service/exporters/">Exporters</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
954      </div>
955        <ul>
956    <li data-nav-id="/service/exporters/honeycomb/" class="dd-item haschildren
957        ">
958      <div>
959      <a href="/service/exporters/honeycomb/">Honeycomb</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
960      </div>
961        <ul>
962      <li data-nav-id="/service/exporters/honeycomb/tracing/" class="dd-item">
963        <div>
964          <a href="/service/exporters/honeycomb/tracing/">
965            Traces
966          </a><i class="fa fa-circle-thin read-icon"></i>
967        </div>
968    </li>
969        </ul>
970    </li>
971    <li data-nav-id="/service/exporters/wavefront/" class="dd-item
972        ">
973      <div>
974      <a href="/service/exporters/wavefront/">Wavefront</a><i class="fa fa-circle-thin read-icon"></i>
975      </div>
976    </li>
977    <li data-nav-id="/service/exporters/aws_xray/" class="dd-item
978        ">
979      <div>
980      <a href="/service/exporters/aws_xray/">AWS X-Ray</a><i class="fa fa-circle-thin read-icon"></i>
981      </div>
982    </li>
983    <li data-nav-id="/service/exporters/datadog/" class="dd-item haschildren
984        ">
985      <div>
986      <a href="/service/exporters/datadog/">Datadog</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
987      </div>
988        <ul>
989      <li data-nav-id="/service/exporters/datadog/traces/" class="dd-item">
990        <div>
991          <a href="/service/exporters/datadog/traces/">
992            Trace
993          </a><i class="fa fa-circle-thin read-icon"></i>
994        </div>
995    </li>
996        </ul>
997    </li>
998    <li data-nav-id="/service/exporters/kafka/" class="dd-item
999        ">
1000      <div>
1001      <a href="/service/exporters/kafka/">Apache Kafka</a><i class="fa fa-circle-thin read-icon"></i>
1002      </div>
1003    </li>
1004    <li data-nav-id="/service/exporters/opencensus/" class="dd-item
1005        ">
1006      <div>
1007      <a href="/service/exporters/opencensus/">OpenCensus</a><i class="fa fa-circle-thin read-icon"></i>
1008      </div>
1009    </li>
1010    <li data-nav-id="/service/exporters/jaeger/" class="dd-item
1011        ">
1012      <div>
1013      <a href="/service/exporters/jaeger/">Jaeger</a><i class="fa fa-circle-thin read-icon"></i>
1014      </div>
1015    </li>
1016    <li data-nav-id="/service/exporters/zipkin/" class="dd-item
1017        ">
1018      <div>
1019      <a href="/service/exporters/zipkin/">Zipkin</a><i class="fa fa-circle-thin read-icon"></i>
1020      </div>
1021    </li>
1022    <li data-nav-id="/service/exporters/stackdriver/" class="dd-item haschildren
1023        ">
1024      <div>
1025      <a href="/service/exporters/stackdriver/">Stackdriver</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1026      </div>
1027        <ul>
1028      <li data-nav-id="/service/exporters/stackdriver/tracing/" class="dd-item">
1029        <div>
1030          <a href="/service/exporters/stackdriver/tracing/">
1031            Trace
1032          </a><i class="fa fa-circle-thin read-icon"></i>
1033        </div>
1034    </li>
1035      <li data-nav-id="/service/exporters/stackdriver/metrics/" class="dd-item">
1036        <div>
1037          <a href="/service/exporters/stackdriver/metrics/">
1038            Metrics
1039          </a><i class="fa fa-circle-thin read-icon"></i>
1040        </div>
1041    </li>
1042        </ul>
1043    </li>
1044    <li data-nav-id="/service/exporters/prometheus/" class="dd-item
1045        ">
1046      <div>
1047      <a href="/service/exporters/prometheus/">Prometheus</a><i class="fa fa-circle-thin read-icon"></i>
1048      </div>
1049    </li>
1050        </ul>
1051    </li>
1052        </ul>
1053    </li>
1054    <li data-nav-id="/advanced-concepts/" class="dd-item haschildren
1055        ">
1056      <div>
1057      <a href="/advanced-concepts/">Advanced Concepts</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1058      </div>
1059        <ul>
1060      <li data-nav-id="/advanced-concepts/context-propagation/" class="dd-item">
1061        <div>
1062          <a href="/advanced-concepts/context-propagation/">
1063            Context Propagation
1064          </a><i class="fa fa-circle-thin read-icon"></i>
1065        </div>
1066    </li>
1067      <li data-nav-id="/advanced-concepts/troubleshooting/" class="dd-item">
1068        <div>
1069          <a href="/advanced-concepts/troubleshooting/">
1070            Troubleshooting
1071          </a><i class="fa fa-circle-thin read-icon"></i>
1072        </div>
1073    </li>
1074        </ul>
1075    </li>
1076    <li data-nav-id="/guides/" class="dd-item haschildren
1077        ">
1078      <div>
1079      <a href="/guides/">Guides</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1080      </div>
1081        <ul>
1082    <li data-nav-id="/guides/http/" class="dd-item haschildren
1083        ">
1084      <div>
1085      <a href="/guides/http/">HTTP</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1086      </div>
1087        <ul>
1088    <li data-nav-id="/guides/http/java/" class="dd-item haschildren
1089        ">
1090      <div>
1091      <a href="/guides/http/java/">Java</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1092      </div>
1093        <ul>
1094    <li data-nav-id="/guides/http/java/jetty/" class="dd-item haschildren
1095        ">
1096      <div>
1097      <a href="/guides/http/java/jetty/">Jetty</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1098      </div>
1099        <ul>
1100      <li data-nav-id="/guides/http/java/jetty/server/" class="dd-item">
1101        <div>
1102          <a href="/guides/http/java/jetty/server/">
1103            Server
1104          </a><i class="fa fa-circle-thin read-icon"></i>
1105        </div>
1106    </li>
1107      <li data-nav-id="/guides/http/java/jetty/client/" class="dd-item">
1108        <div>
1109          <a href="/guides/http/java/jetty/client/">
1110            Client
1111          </a><i class="fa fa-circle-thin read-icon"></i>
1112        </div>
1113    </li>
1114        </ul>
1115    </li>
1116        </ul>
1117    </li>
1118    <li data-nav-id="/guides/http/go/" class="dd-item haschildren
1119        ">
1120      <div>
1121      <a href="/guides/http/go/">Go</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1122      </div>
1123        <ul>
1124    <li data-nav-id="/guides/http/go/net_http/" class="dd-item haschildren
1125        ">
1126      <div>
1127      <a href="/guides/http/go/net_http/">net/http</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1128      </div>
1129        <ul>
1130      <li data-nav-id="/guides/http/go/net_http/client/" class="dd-item">
1131        <div>
1132          <a href="/guides/http/go/net_http/client/">
1133            Client
1134          </a><i class="fa fa-circle-thin read-icon"></i>
1135        </div>
1136    </li>
1137      <li data-nav-id="/guides/http/go/net_http/server/" class="dd-item">
1138        <div>
1139          <a href="/guides/http/go/net_http/server/">
1140            Server
1141          </a><i class="fa fa-circle-thin read-icon"></i>
1142        </div>
1143    </li>
1144        </ul>
1145    </li>
1146        </ul>
1147    </li>
1148        </ul>
1149    </li>
1150    <li data-nav-id="/guides/grpc/" class="dd-item haschildren
1151        ">
1152      <div>
1153      <a href="/guides/grpc/">gRPC</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1154      </div>
1155        <ul>
1156      <li data-nav-id="/guides/grpc/go/" class="dd-item">
1157        <div>
1158          <a href="/guides/grpc/go/">
1159            Go
1160          </a><i class="fa fa-circle-thin read-icon"></i>
1161        </div>
1162    </li>
1163      <li data-nav-id="/guides/grpc/java/" class="dd-item">
1164        <div>
1165          <a href="/guides/grpc/java/">
1166            Java
1167          </a><i class="fa fa-circle-thin read-icon"></i>
1168        </div>
1169    </li>
1170      <li data-nav-id="/guides/grpc/python/" class="dd-item">
1171        <div>
1172          <a href="/guides/grpc/python/">
1173            Python
1174          </a><i class="fa fa-circle-thin read-icon"></i>
1175        </div>
1176    </li>
1177      <li data-nav-id="/guides/grpc/nodejs/" class="dd-item">
1178        <div>
1179          <a href="/guides/grpc/nodejs/">
1180            Node.js
1181          </a><i class="fa fa-circle-thin read-icon"></i>
1182        </div>
1183    </li>
1184      <li data-nav-id="/guides/grpc/cplusplus/" class="dd-item">
1185        <div>
1186          <a href="/guides/grpc/cplusplus/">
1187            C&#43;&#43;
1188          </a><i class="fa fa-circle-thin read-icon"></i>
1189        </div>
1190    </li>
1191        </ul>
1192    </li>
1193    <li data-nav-id="/guides/debugging/" class="dd-item haschildren
1194        ">
1195      <div>
1196      <a href="/guides/debugging/">Debugging</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1197      </div>
1198        <ul>
1199      <li data-nav-id="/guides/debugging/incidents/" class="dd-item">
1200        <div>
1201          <a href="/guides/debugging/incidents/">
1202            Incident Debugging Workflow
1203          </a><i class="fa fa-circle-thin read-icon"></i>
1204        </div>
1205    </li>
1206        </ul>
1207    </li>
1208        </ul>
1209    </li>
1210    <li data-nav-id="/language-support/" class="dd-item
1211        ">
1212      <div>
1213      <a href="/language-support/">Language Support</a><i class="fa fa-circle-thin read-icon"></i>
1214      </div>
1215    </li>
1216    <li data-nav-id="/integrations/" class="dd-item haschildren
1217        ">
1218      <div>
1219      <a href="/integrations/">Integrations</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1220      </div>
1221        <ul>
1222    <li data-nav-id="/integrations/redis/" class="dd-item haschildren
1223        ">
1224      <div>
1225      <a href="/integrations/redis/">Redis</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1226      </div>
1227        <ul>
1228    <li data-nav-id="/integrations/redis/python/" class="dd-item haschildren
1229        ">
1230      <div>
1231      <a href="/integrations/redis/python/">Python</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1232      </div>
1233        <ul>
1234      <li data-nav-id="/integrations/redis/python/redispy/" class="dd-item">
1235        <div>
1236          <a href="/integrations/redis/python/redispy/">
1237            redis-py
1238          </a><i class="fa fa-circle-thin read-icon"></i>
1239        </div>
1240    </li>
1241        </ul>
1242    </li>
1243      <li data-nav-id="/integrations/redis/java/" class="dd-item">
1244        <div>
1245          <a href="/integrations/redis/java/">
1246            Java
1247          </a><i class="fa fa-circle-thin read-icon"></i>
1248        </div>
1249    </li>
1250    <li data-nav-id="/integrations/redis/go/" class="dd-item haschildren
1251        ">
1252      <div>
1253      <a href="/integrations/redis/go/">Go</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1254      </div>
1255        <ul>
1256      <li data-nav-id="/integrations/redis/go/gomodule_redigo/" class="dd-item">
1257        <div>
1258          <a href="/integrations/redis/go/gomodule_redigo/">
1259            gomodule/redigo
1260          </a><i class="fa fa-circle-thin read-icon"></i>
1261        </div>
1262    </li>
1263        </ul>
1264    </li>
1265        </ul>
1266    </li>
1267    <li data-nav-id="/integrations/memcached/" class="dd-item haschildren
1268        ">
1269      <div>
1270      <a href="/integrations/memcached/">Memcached</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1271      </div>
1272        <ul>
1273    <li data-nav-id="/integrations/memcached/java/" class="dd-item haschildren
1274        ">
1275      <div>
1276      <a href="/integrations/memcached/java/">Java</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1277      </div>
1278        <ul>
1279      <li data-nav-id="/integrations/memcached/java/spymemcached/" class="dd-item">
1280        <div>
1281          <a href="/integrations/memcached/java/spymemcached/">
1282            Spymemcached
1283          </a><i class="fa fa-circle-thin read-icon"></i>
1284        </div>
1285    </li>
1286        </ul>
1287    </li>
1288      <li data-nav-id="/integrations/memcached/python/" class="dd-item">
1289        <div>
1290          <a href="/integrations/memcached/python/">
1291            PyMemcache
1292          </a><i class="fa fa-circle-thin read-icon"></i>
1293        </div>
1294    </li>
1295      <li data-nav-id="/integrations/memcached/go/" class="dd-item">
1296        <div>
1297          <a href="/integrations/memcached/go/">
1298            GoMemcache
1299          </a><i class="fa fa-circle-thin read-icon"></i>
1300        </div>
1301    </li>
1302        </ul>
1303    </li>
1304    <li data-nav-id="/integrations/google_cloud/" class="dd-item haschildren
1305        ">
1306      <div>
1307      <a href="/integrations/google_cloud/">Google Cloud</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1308      </div>
1309        <ul>
1310    <li data-nav-id="/integrations/google_cloud/google_cloud_datastore/" class="dd-item haschildren
1311        ">
1312      <div>
1313      <a href="/integrations/google_cloud/google_cloud_datastore/">Google Cloud Datastore</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1314      </div>
1315        <ul>
1316      <li data-nav-id="/integrations/google_cloud/google_cloud_datastore/go/" class="dd-item">
1317        <div>
1318          <a href="/integrations/google_cloud/google_cloud_datastore/go/">
1319            Go
1320          </a><i class="fa fa-circle-thin read-icon"></i>
1321        </div>
1322    </li>
1323        </ul>
1324    </li>
1325    <li data-nav-id="/integrations/google_cloud/google_cloud_bigtable/" class="dd-item haschildren
1326        ">
1327      <div>
1328      <a href="/integrations/google_cloud/google_cloud_bigtable/">Google Cloud Bigtable</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1329      </div>
1330        <ul>
1331    <li data-nav-id="/integrations/google_cloud/google_cloud_bigtable/go/" class="dd-item
1332        ">
1333      <div>
1334      <a href="/integrations/google_cloud/google_cloud_bigtable/go/">Go</a><i class="fa fa-circle-thin read-icon"></i>
1335      </div>
1336    </li>
1337    
1337<li data-nav-id="/integrations/google_cloud/google_cloud_bigtable/java/" class="dd-item
1338        ">
1339      <div>
1340      <a href="/integrations/google_cloud/google_cloud_bigtable/java/">Java</a><i class="fa fa-circle-thin read-icon"></i>
1341      </div>
1342    </li>
1343        </ul>
1344    </li>
1345    <li data-nav-id="/integrations/google_cloud/google_cloud_pubsub/" class="dd-item haschildren
1346        ">
1347      <div>
1348      <a href="/integrations/google_cloud/google_cloud_pubsub/">Google Cloud Pub/Sub</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1349      </div>
1350        <ul>
1351      <li data-nav-id="/integrations/google_cloud/google_cloud_pubsub/java/" class="dd-item">
1352        <div>
1353          <a href="/integrations/google_cloud/google_cloud_pubsub/java/">
1354            Java
1355          </a><i class="fa fa-circle-thin read-icon"></i>
1356        </div>
1357    </li>
1358        </ul>
1359    </li>
1360    <li data-nav-id="/integrations/google_cloud/google_cloud_storage/" class="dd-item haschildren
1361        ">
1362      <div>
1363      <a href="/integrations/google_cloud/google_cloud_storage/">Google Cloud Storage</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1364      </div>
1365        <ul>
1366      <li data-nav-id="/integrations/google_cloud/google_cloud_storage/go/" class="dd-item">
1367        <div>
1368          <a href="/integrations/google_cloud/google_cloud_storage/go/">
1369            Go
1370          </a><i class="fa fa-circle-thin read-icon"></i>
1371        </div>
1372    </li>
1373        </ul>
1374    </li>
1375    <li data-nav-id="/integrations/google_cloud/google_cloud_appengine_standard/" class="dd-item
1376        ">
1377      <div>
1378      <a href="/integrations/google_cloud/google_cloud_appengine_standard/">Google Cloud AppEngine</a><i class="fa fa-circle-thin read-icon"></i>
1379      </div>
1380    </li>
1381    <li data-nav-id="/integrations/google_cloud/google_cloud_spanner/" class="dd-item haschildren
1382        ">
1383      <div>
1384      <a href="/integrations/google_cloud/google_cloud_spanner/">Google Cloud Spanner</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1385      </div>
1386        <ul>
1387      <li data-nav-id="/integrations/google_cloud/google_cloud_spanner/go/" class="dd-item">
1388        <div>
1389          <a href="/integrations/google_cloud/google_cloud_spanner/go/">
1390            Go
1391          </a><i class="fa fa-circle-thin read-icon"></i>
1392        </div>
1393    </li>
1394      <li data-nav-id="/integrations/google_cloud/google_cloud_spanner/java/" class="dd-item">
1395        <div>
1396          <a href="/integrations/google_cloud/google_cloud_spanner/java/">
1397            Java
1398          </a><i class="fa fa-circle-thin read-icon"></i>
1399        </div>
1400    </li>
1401        </ul>
1402    </li>
1403        </ul>
1404    </li>
1405      <li data-nav-id="/integrations/dropwizard/" class="dd-item">
1406        <div>
1407          <a href="/integrations/dropwizard/">
1408            Dropwizard
1409          </a><i class="fa fa-circle-thin read-icon"></i>
1410        </div>
1411    </li>
1412    <li data-nav-id="/integrations/sql/" class="dd-item haschildren
1413        ">
1414      <div>
1415      <a href="/integrations/sql/">SQL</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1416      </div>
1417        <ul>
1418      <li data-nav-id="/integrations/sql/java_sql/" class="dd-item">
1419        <div>
1420          <a href="/integrations/sql/java_sql/">
1421            Java
1422          </a><i class="fa fa-circle-thin read-icon"></i>
1423        </div>
1424    </li>
1425      <li data-nav-id="/integrations/sql/go_sql/" class="dd-item">
1426        <div>
1427          <a href="/integrations/sql/go_sql/">
1428            Go
1429          </a><i class="fa fa-circle-thin read-icon"></i>
1430        </div>
1431    </li>
1432        </ul>
1433    </li>
1434      <li data-nav-id="/integrations/caddy/" class="dd-item">
1435        <div>
1436          <a href="/integrations/caddy/">
1437            Caddy
1438          </a><i class="fa fa-circle-thin read-icon"></i>
1439        </div>
1440    </li>
1441      <li data-nav-id="/integrations/go_kit/" class="dd-item">
1442        <div>
1443          <a href="/integrations/go_kit/">
1444            Go kit
1445          </a><i class="fa fa-circle-thin read-icon"></i>
1446        </div>
1447    </li>
1448      <li data-nav-id="/integrations/groupcache/" class="dd-item">
1449        <div>
1450          <a href="/integrations/groupcache/">
1451            GroupCache
1452          </a><i class="fa fa-circle-thin read-icon"></i>
1453        </div>
1454    </li>
1455    <li data-nav-id="/integrations/mongodb/" class="dd-item haschildren
1456        ">
1457      <div>
1458      <a href="/integrations/mongodb/">MongoDB</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1459      </div>
1460        <ul>
1461      <li data-nav-id="/integrations/mongodb/go_driver/" class="dd-item">
1462        <div>
1463          <a href="/integrations/mongodb/go_driver/">
1464            Go driver
1465          </a><i class="fa fa-circle-thin read-icon"></i>
1466        </div>
1467    </li>
1468      <li data-nav-id="/integrations/mongodb/java_apm/" class="dd-item">
1469        <div>
1470          <a href="/integrations/mongodb/java_apm/">
1471            Java APM
1472          </a><i class="fa fa-circle-thin read-icon"></i>
1473        </div>
1474    </li>
1475      <li data-nav-id="/integrations/mongodb/mongostatusd/" class="dd-item">
1476        <div>
1477          <a href="/integrations/mongodb/mongostatusd/">
1478            mongostatusd
1479          </a><i class="fa fa-circle-thin read-icon"></i>
1480        </div>
1481    </li>
1482        </ul>
1483    </li>
1484        </ul>
1485    </li>
1486    <li data-nav-id="/faq/" class="dd-item
1487        ">
1488      <div>
1489      <a href="/faq/">FAQ</a><i class="fa fa-circle-thin read-icon"></i>
1490      </div>
1491    </li>
1492    <li data-nav-id="/feature_matrix/" class="dd-item
1493        ">
1494      <div>
1495      <a href="/feature_matrix/">Feature Matrix</a><i class="fa fa-circle-thin read-icon"></i>
1496      </div>
1497    </li>
1498    <li data-nav-id="/conduct/" class="dd-item
1499        ">
1500      <div>
1501      <a href="/conduct/">Code of Conduct</a><i class="fa fa-circle-thin read-icon"></i>
1502      </div>
1503    </li>
1504    <li data-nav-id="/community/" class="dd-item haschildren
1505        ">
1506      <div>
1507      <a href="/community/">Community</a><i class="fa fa-angle-right fa-lg category-icon"></i><i class="fa fa-circle-thin read-icon"></i>
1508      </div>
1509        <ul>
1510      <li data-nav-id="/community/roadmap/" class="dd-item">
1511        <div>
1512          <a href="/community/roadmap/">
1513            Roadmap
1514          </a><i class="fa fa-circle-thin read-icon"></i>
1515        </div>
1516    </li>
1517      <li data-nav-id="/community/reporting-issues/" class="dd-item">
1518        <div>
1519          <a href="/community/reporting-issues/">
1520            Reporting issues
1521          </a><i class="fa fa-circle-thin read-icon"></i>
1522        </div>
1523    </li>
1524      <li data-nav-id="/community/talks/" class="dd-item">
1525        <div>
1526          <a href="/community/talks/">
1527            Talks
1528          </a><i class="fa fa-circle-thin read-icon"></i>
1529        </div>
1530    </li>
1531      <li data-nav-id="/community/users/" class="dd-item">
1532        <div>
1533          <a href="/community/users/">
1534            Users
1535          </a><i class="fa fa-circle-thin read-icon"></i>
1536        </div>
1537    </li>
1538        </ul>
1539    </li>
1540    <li data-nav-id="/blogs/" class="dd-item
1541        ">
1542      <div>
1543      <a href="/blogs/">Blogs</a><i class="fa fa-circle-thin read-icon"></i>
1544      </div>
1545    </li>
1546
1547
1548
1549
1550    </ul>
1551    <section>
1552    </section>
1553  </aside>
1554  <section class="page ">
1555    <div class="mobile-opentelemetry">
1556      <a class="btn btn-light opentelemetry-button" target="_blank" href="https://opentelemetry.io/blog/2023/sunsetting-opencensus/">OpenCensus is being archived! Read the blog post to learn more</a>
1557    </div>
1558    <div class="nav-select">
1559      <center>Navigation :
1560        <select onchange="javascript:location.href = this.value;">
1561          
1562    <option value="/introduction/"  selected>
1563   Introduction</option> 
1564  
1565    <option value="/quickstart/" >
1566   Quickstart</option>
1567    <option value="/tracing/" >
1568   Tracing</option>
1569    <option value="/tag/" >
1570   Tags</option>
1571    <option value="/stats/" >
1572   Stats/Metrics</option>
1573    <option value="/exporters/" >
1574   Exporters</option>
1575    <option value="/zpages/" >
1576   zPages</option>
1577    <option value="/service/" >
1578   Service</option>
1579    <option value="/advanced-concepts/" >
1580   Advanced Concepts</option>
1581    <option value="/guides/" >
1582   Guides</option>
1583    <option value="/language-support/" >
1584   Language Support</option>
1585    <option value="/integrations/" >
1586   Integrations</option>
1587    <option value="/faq/" >
1588   FAQ</option>
1589    <option value="/feature_matrix/" >
1590   Feature Matrix</option>
1591    <option value="/conduct/" >
1592   Code of Conduct</option>
1593    <option value="/community/" >
1594   Community</option>
1595    <option value="/blogs/" >
1596   Blogs</option>
1597    <option value="/articles/" >
1598   Articles</option>
1599    <option value="/codelabs/" >
1600   Codelabs</option>
1601
1602
1603
1604        </select>
1605      </center>
1606    </div>
1607      <div>
1608        <div class="searchbox">
1609          <input data-search-input id="search-by" type="text" placeholder="Search...">
1610        </div>
1611        
1611<script type="text/javascript" src="/js/lunr.min.js"></script>
1611
1612        
1612<script type="text/javascript" src="/js/auto-complete.js"></script>
1612
1613        <link href="/css/auto-complete.css" rel="stylesheet">
1614        
1614<script type="text/javascript">
1615          
1616              var baseurl = "https:\/\/opencensus.io\/";
1617          
1618        </script>
1618
1619        
1619<script type="text/javascript" src="/js/search.js"></script>
1619
1620      </div>
1621
1622
1623    
1624      <div class="header-container">
1625        <h1>Introduction</h1>
1626        
1627      </div>
1628    
1629
1630    
1631    
1632    
1633
1634<p>
1635
1636<span class="logo brand">
1637  <img src="/img/logo-sm.svg" />
1638  <span>Open</span>Census
1639  
1640</span>
1641 makes getting critical telemetry out of your services easy and seamless. OpenCensus currently provides libraries for a number of languages that allow you to capture, manipulate, and export metrics and distributed traces to the backend(s) of your choice. OpenCensus works great with all software systems, from client applications, large monoliths, or highly-distributed microservices. OpenCensus started at Google but is now developed by a broad community of service developers, cloud vendors, and community contributors. OpenCensus isn&rsquo;t tied to any particular vendor&rsquo;s backend or analysis system.</p>
1642
1643<p>In this section we will walk through what OpenCensus is, what problems it solves, and how it can help your project.</p>
1644
1645<p>
1646
1647<ul class="children children-li">
1648</ul>
1649
1650<p>Or, if you are ready to integrate OpenCensus in to your project, visit the <a href="/quickstart">Quickstart</a>.</p>
1651
1652<h1 id="overview">Overview</h1>
1653
1654<p>OpenCensus provides observability for your microservices and monoliths alike by tracing requests as they propagate through services and capturing critical time-series metrics.</p>
1655
1656<p>The core functionality of OpenCensus is the ability to collect traces and metrics from your app, display them locally, and send them to any analysis tool (also called a &lsquo;backend&rsquo;). However, OpenCensus provides more than just data insight. This page describes some of that functionality and points you to resources for building it into your app.</p>
1657
1658<p>After instrumenting your code with OpenCensus, you will equip yourself with the ability to optimize the speed of your services, understand exactly how a request travels between your services, gather any useful metrics about your entire architecture, and more.</p>
1659
1660<h1 id="features">Features</h1>
1661
1662<h4 id="context-propagation">Context Propagation</h4>
1663
1664<p>In order to correlate activities and requests between services with an initial customer action, context (usually in the form of trace or correlation ID) must be propagated throughout your systems. Performing this automatically can be quite difficult, and a lack of automatic context propagation is often identified as the biggest blocker to an organization adopting distributed tracing. OpenCensus provides automatic context propagation across its supported languages and frameworks, and provides simple APIs for manually propagating or manipulating context.</p>
1665
1666<p>OpenCensus supports several different context propagation formats, and is the reference implementation of the official W3C HTTP tracing header.</p>
1667
1668<h4 id="distributed-trace-collection">Distributed Trace Collection</h4>
1669
1670<p>OpenCensus captures and propagates distributed traces through your system, allowing you to visualize how customer requests flow across services, rapidly perform deep root cause analysis, and better analyze latency across a highly distributed set of services. OpenCensus includes functionality like context propagation and sampling out of the box and can interoperate with a variety of tracing systems. You can learn more about OpenCensus&rsquo; distributed tracing support <a href="/tracing">here</a>.</p>
1671
1672<h4 id="time-series-metrics-collection">Time-series Metrics Collection</h4>
1673
1674<p>OpenCensus captures critical time series statistics from your application, including the latency, request count, and request size for each endpoint. Once captured, these individual statistics can be aggregated into metrics with time windows and dimensions of your choosing.</p>
1675
1676<h4 id="apis">APIs</h4>
1677
1678<p>OpenCensus provides APIs for all telemetry types. For example, you can use these to define and capture custom metrics, add additional spans or annotations to traces, define custom trace sampling policy, switch context propagation formats, etc.</p>
1679
1680<h4 id="integrations">Integrations</h4>
1681
1682<p>OpenCensus contains an incredible amount of integrations out of the box. These allow traces and metrics to be captured from popular RPC systems, web frameworks, and storage clients.</p>
1683
1684<h4 id="single-project-and-implementation">Single Project and Implementation</h4>
1685
1686<p>While OpenCensus is an open source project with an incredibly active community, it also benefits from maintaining a single distribution for each language. This means that contributions are focused, that efforts are not wasted on multiple competing implementations (particularly important for integrations), and that as much functionality is available out of the box as possible.</p>
1687
1688<h4 id="low-overhead">Low Overhead</h4>
1689
1690<p>OpenCensus is used in production at some of the largest companies in the world, and as such it strives to have as small of a performance impact as possible.</p>
1691
1692<h4 id="backend-support">Backend Support</h4>
1693
1694<p>OpenCensus can upload data to almost any backend with its various exp
1694orter implementations. If you&rsquo;re using a backend that isn&rsquo;t supported yet (such as an analysis system built specifically for your organization), you can also implement your own quickly and easily. <a href="/exporters">Read more</a>.</p>
1695
1696<h4 id="partners-contributors">Partners &amp; Contributors</h4>
1697
1698<div class="user-card-container">
1699  <a target="_blank" href="https://google.com">
1700  
1701  <img class="no-padding no-margin " src="/img/partners/google_logo.svg">
1702  
1703  </a>
1704</div>
1705
1706<div class="user-card-container">
1707  <a target="_blank" href="https://www.datadoghq.com/">
1708  
1709  <img class="no-padding no-margin " src="/img/partners/datadog_logo.svg">
1710  
1711  </a>
1712</div>
1713
1714<div class="user-card-container">
1715  <a target="_blank" href="https://orijtech.com/">
1716  
1717  <img class="no-padding no-margin " src="/img/partners/orijtech_logo.png">
1718  
1719  </a>
1720</div>
1721
1722<div class="user-card-container">
1723  <a target="_blank" href="https://signalfx.com/">
1724  
1725  <img class="no-padding no-margin " src="/img/partners/signalFx_logo.svg">
1726  
1727  </a>
1728</div>
1729
1730<div class="user-card-container">
1731  <a target="_blank" href="https://www.cesar.org.br/">
1732  
1733  <img class="no-padding no-margin " src="/img/partners/cesar_logo.svg">
1734  
1735  </a>
1736</div>
1737
1738<div class="user-card-container">
1739  <a target="_blank" href="http://thecreativefew.com/">
1740  
1741  <img class="no-padding no-margin " src="/img/partners/creative_few_logo.svg">
1742  
1743  </a>
1744</div>
1745
1746<div class="user-card-container">
1747  <a target="_blank" href="https://www.microsoft.com/">
1748  
1749  <img class="no-padding no-margin " src="/img/partners/microsoft_logo.svg">
1750  
1751  </a>
1752</div>
1753
1754<div class="user-card-container">
1755  <a target="_blank" href="https://www.jaegertracing.io/">
1756  
1757  <img class="no-padding no-margin " src="/img/partners/jaeger_logo.svg">
1758  
1759  </a>
1760</div>
1761
1762<div class="user-card-container">
1763  <a target="_blank" href="https://zipkin.io/">
1764  
1765  <img class="no-padding no-margin " src="/img/partners/zipkin_logo.svg">
1766  
1767  </a>
1768</div>
1769
1770<div class="user-card-container">
1771  <a target="_blank" href="https://www.solarwinds.com/">
1772  
1773  <img class="no-padding no-margin " src="/img/partners/solarwinds_logo.svg">
1774  
1775  </a>
1776</div>
1777
1778<div class="user-card-container">
1779  <a target="_blank" href="https://cloud.google.com/stackdriver/">
1780  
1781  <img class="no-padding no-margin " src="/img/partners/stackdriver_logo.svg">
1782  
1783  </a>
1784</div>
1785
1786<div class="user-card-container">
1787  <a target="_blank" href="https://prometheus.io/">
1788  
1789  <img class="no-padding no-margin " src="/img/partners/prometheus_logo.svg">
1790  
1791  </a>
1792</div>
1793
1794<div class="user-card-container">
1795  <a target="_blank" href="https://www.instana.com/">
1796  
1797  <img class="no-padding no-margin " src="/img/partners/instana_logo.svg">
1798  
1799  </a>
1800</div>
1801
1802<div class="user-card-container">
1803  <a target="_blank" href="https://omnition.io/">
1804  
1805  <img class="no-padding no-margin " src="/img/partners/omnition_logo.svg">
1806  
1807  </a>
1808</div>
1809
1810<div class="user-card-container">
1811  <a target="_blank" href="https://www.honeycomb.io/">
1812  
1813  <img class="no-padding no-margin " src="/img/partners/honeycomb_logo.svg">
1814  
1815  </a>
1816</div>
1817
1818<div class="user-card-container">
1819  <a target="_blank" href="https://corporate.comcast.com/">
1820  
1821  <img class="no-padding no-margin " src="/img/partners/comcast_logo.jpg">
1822  
1823  </a>
1824</div>
1825
1826<div class="user-card-container">
1827  <a target="_blank" href="https://postmates.com/">
1828  
1829  <img class="no-padding no-margin " src="/img/partners/postmates_logo.png">
1830  
1831  </a>
1832</div>
1833
1834<div class="user-card-container">
1835  <a target="_blank" href="https://lightstep.com/">
1836  
1837  <img class="no-padding no-margin " src="/img/partners/lightstep-logo.svg">
1838  
1839  </a>
1840</div>
1841
1842<div class="user-card-container">
1843  <a target="_blank" href="https://www.scalyr.com/">
1844  
1845  <img class="no-padding no-margin " src="/img/partners/scalyr-logo-stacked.png">
1846  
1847  </a>
1848</div>
1849
1850<div class="user-card-container">
1851  <a target="_blank" href="https://www.wavefront.com/">
1852  
1853  <img class="no-padding no-margin " src="/img/partners/wavefront_logo.svg">
1854  
1855  </a>
1856</div>
1857
1858
1859
1860</p>
1861
1862
1863
1864    
1865    
1866        <div class="chevrons">
1867    <div id="navigation">
1868<a class="nav nav-prev" href="/" title=""> <i class="fa fa-chevron-left"></i><label></label></a>
1869    <a class="nav nav-next" href="/quickstart/" title="Quickstart" style="margin-right: 0px;"><label>Quickstart</label><i class="fa fa-chevron-right"></i></a></div>
1870  </div>
1871
1872  </section>
1873</article>
1874
1875<footer>
1876
1877<div class="footline">
1878    
1879
1880    
1881
1882  
1883
1884    <div class="github-link">
1885      <a href="https://github.com/census-instrumentation/opencensus-website/edit/master/content/introduction/_index.md" target="blank"><i class="fa fa-code-fork"></i>
1886        Edit this page on Github</a>
1887    </div>
1888  </div>
1889
1890
1891	<div>
1892
1893
1894  
1895    <ul>
1896<li><a href="https://github.com/census-instrumentation">Github</a></li>
1897<li><a href="https://gitter.im/census-instrumentation/Lobby">Gitter</a></li>
1898<li><a href="https://twitter.com/opencensusio">Twitter</a></li>
1899<li><a href="/community">Community</a></li>
1900</ul>
1901
1902<h5 style="color: #fff">OpenCensus</h5>
1903
1904<p>Content is licensed under Apache License 2.0</p>
1905
1906  
1907
1908
1909
1910	</div>
1911</footer>
1912
1913<script src="/js/clipboard.min.js"></script>
1913
1914
1915<link href="/css/featherlight.min.css" rel="stylesheet">
1916<script src="/js/featherlight.min.js"></script>
1916
1917
1918
1919
1920<script src="/theme-flex/script.js"></script>
1920
1921
1922
1923    
1924
1925    
1926    
1927
1928    
1928<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-rc.2/js/materialize.min.js"></script>
vendor: 1 bytes, line 1928
1928
1929<script src="/js/tabs.js"></script>
vendor: 1 bytes, line 1929
1929
1930<script>
1931  [].slice.call(document.querySelectorAll('.tab-container'))
1932    .forEach(function(el) {
1933      initializeTabs(el);
1934    });
1935</script>
vendor: 66 bytes, lines 1935-1938
1935
1936
1937
1938<script async src="https://www.googletagmanager.com/gtag/js?id=
1938UA-125198141-1
vendor: 12 bytes, line 1938
1938"></script>
1939<script>
1940 
vendor: 131 bytes, lines 1940-1944
1940window.dataLayer = window.dataLayer || [];
1941 function gtag(){dataLayer.push(arguments);}
1942 gtag('js', new Date());
1943
1944 gtag('config', '
1944UA-125198141-1
vendor: 4 bytes, line 1944
1944');
1945</script>
1945
1946
1947  </body>
1948</html>

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.