Github user srdo commented on a diff in the pull request: https://github.com/apache/storm/pull/2764#discussion_r208703338 --- Diff: storm-server/src/main/java/org/apache/storm/daemon/nimbus/Nimbus.java --- @@ -411,6 +431,10 @@ private final StormTimer timer; private final IScheduler scheduler; private final IScheduler underlyingScheduler; + //Metrics related + private final AtomicReference<Long> schedulingStartTime = new AtomicReference<>(null); --- End diff -- Nit: Consider renaming these so it's obvious what time unit it is, e.g. `schedulingStartTimeNanos`
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