jhuan31 commented on a change in pull request #855: ZOOKEEPER-3310: Add metrics
for prep processor
URL: https://github.com/apache/zookeeper/pull/855#discussion_r266551859
##########
File path:
zookeeper-server/src/main/java/org/apache/zookeeper/server/PrepRequestProcessor.java
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@@ -902,6 +909,7 @@ protected void pRequest(Request request) throws
RequestProcessorException {
}
}
request.zxid = zks.getZxid();
+ ServerMetrics.PREP_PROCESSOR_QUEUE_TIME.add(Time.currentElapsedTime()
- request.prepQueueStartTime);
Review comment:
A request that has got here must have gone through processRequest(), which
records prepQueueStartTime(). Can't think of a scenario that it stays -1.
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