Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2616#discussion_r84868336
--- Diff:
flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/handlers/JobVertexDetailsHandler.java
---
@@ -99,11 +83,34 @@ public String handleRequest(ExecutionJobVertex
jobVertex, Map<String, String> pa
gen.writeNumberField("end-time", endTime);
gen.writeNumberField("duration", duration);
+ IOMetrics ioMetrics =
vertex.getCurrentExecutionAttempt().getIOMetrics();
+
+ long numBytesIn = 0;
+ long numBytesOut = 0;
+ long numRecordsIn = 0;
+ long numRecordsOut = 0;
+
+ if (ioMetrics != null) { // execAttempt is already
finished, use final metrics stored in ExecutionGraph
+ numBytesIn = ioMetrics.getNumBytesInLocal() +
ioMetrics.getNumBytesInRemote();
+ numBytesOut = ioMetrics.getNumBytesOut();
+ numRecordsIn = ioMetrics.getNumRecordsIn();
+ numRecordsOut = ioMetrics.getNumRecordsOut();
+ } else { // execAttempt is still running, use
MetricQueryService instead
+ fetcher.update();
+ MetricStore.SubtaskMetricStore metrics =
fetcher.getMetricStore().getSubtaskMetricStore(vertex.getJobId().toString(),
vertex.getJobvertexId().toString(), vertex.getParallelSubtaskIndex());
+ if (metrics != null) {
+ numBytesIn +=
Long.valueOf(metrics.getMetric("numBytesInLocal", "0")) +
Long.valueOf(metrics.getMetric("numBytesInRemote", "0"));
+ numBytesOut +=
Long.valueOf(metrics.getMetric("numBytesOut", "0"));
+ numRecordsIn +=
Long.valueOf(metrics.getMetric("numRecordsIn", "0"));
+ numRecordsOut +=
Long.valueOf(metrics.getMetric("numRecordsOut", "0"));
--- End diff --
Agreed, I've opened a JIRA for that, see FLINK-4906.
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