JayajP commented on code in PR #28923:
URL: https://github.com/apache/beam/pull/28923#discussion_r1353414749
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runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/StreamingDataflowWorker.java:
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@@ -463,6 +463,11 @@ public static void main(String[] args) throws Exception {
// metrics.
MetricsEnvironment.setProcessWideContainer(new MetricsLogger(null));
+ // When enabled, the Pipeline will record Per-Worker metrics that will be
piped to WMW.
+ StreamingStepMetricsContainer.setEnablePerWorkerMetrics(
+ options.isEnableStreamingEngine()
+ && DataflowRunner.hasExperiment(options,
"enable_per_worker_metrics"));
Review Comment:
Will leave this as an experiment until I've done some load tests. Then I
will enable it as default for Streaming Engine Jobs.
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