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">
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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;">☰</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++</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++</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++ 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/" 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</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
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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’t tied to any particular vendor’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 ‘backend’). 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’ 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’re using a backend that isn’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 & 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/"> 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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
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