https://magicpenta.github.io/assets/js/2fa7ab7a.3aa15094.js

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val sumAccumulator: LongAccumulator = sc.longAccumulator("sum")\n    rdd.foreach(num => {\n      sumAccumulator.add(num)\n    })\n\n    println("sum => " + sumAccumulator.value)\n')),(0,a.kt)("p",null,"\u6267\u884c\u5b8c\u8fd9\u6bb5\u4ee3\u7801\u540e\u8fd4\u56de\u7684 ",(0,a.kt)("inlineCode",{parentName:"p"},"sum")," \u503c\u4e3a ",(0,a.kt)("inlineCode",{parentName:"p"},"10"),"\uff0c\u6b63\u662f\u6211\u4eec\u60f3\u8981\u7684\u7ed3\u679c\u3002"),(0,a.kt)("p",null,"\u521d\u59cb\u5316\u7d2f\u52a0\u5668\u65f6\uff0c\u53ef\u4ee5\u9009\u62e9\u4e3a\u5176\u547d\u540d\uff0c\u4e5f\u53ef\u4ee5\u9009\u62e9\u7559\u7a7a\uff0c\u4f46\u662f\u4e3a\u4e86\u53ef\u4ee5\u5728 Web UI 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