jtuglu-netflix commented on code in PR #17847:
URL: https://github.com/apache/druid/pull/17847#discussion_r2023373748
##########
server/src/main/java/org/apache/druid/segment/realtime/SegmentGenerationMetrics.java:
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@@ -110,6 +116,14 @@ public void reportMessageMaxTimestamp(long
messageMaxTimestamp)
this.messageMaxTimestamp.set(Math.max(messageMaxTimestamp,
this.messageMaxTimestamp.get()));
}
+ public void reportMessageGapAggregate(long messageGap)
+ {
+ final long newNumEvents = this.numMessageGapEvents.incrementAndGet();
+ this.minMessageGap.getAndAccumulate(messageGap, Math::min);
+ this.maxMessageGap.getAndAccumulate(messageGap, Math::max);
+ this.messageGapAvg.getAndUpdate(oldAvg -> oldAvg + ((messageGap - oldAvg)
/ newNumEvents));
Review Comment:
Sure, although it should always be to the nearest `ms`. I mainly kept as
long since that's easier to work with atomically(it's also a bit slower). I'd
need to interpret as raw bits if I want to use float/double atomically.
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