rdhabalia commented on a change in pull request #507: Add zk-stats
instrumentation to get zk-client stats
URL: https://github.com/apache/incubator-pulsar/pull/507#discussion_r126568313
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File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/BrokerService.java
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@@ -189,6 +190,10 @@ public BrokerService(PulsarService pulsar) throws
Exception {
this.multiLayerTopicsMap = new ConcurrentOpenHashMap<>();
this.pulsarStats = new PulsarStats(pulsar);
+ // register listener to capture zk-latency
+ ClientCnxnAspect.addListner((eventType, latencyMs) -> {
+ this.pulsarStats.recordZkLatencyTimeValue(eventType, latencyMs);
Review comment:
Actually, right now, we are using BK-Yahoo version where
[BK-ZK-Client](https://github.com/yahoo/bookkeeper/blob/yahoo-4.3/bookkeeper-server/src/main/java/org/apache/bookkeeper/zookeeper/ZooWorker.java)
captures startTime in Msec and it doesn't have OpStatsLoggger yet. And it
seems both the things are fixed in
[BK-master](https://github.com/apache/bookkeeper/blob/master/bookkeeper-server/src/main/java/org/apache/bookkeeper/zookeeper/ZooWorker.java).
Therefore, startTime is milliseconds, it's not possible to capture time < 1
msec for now. We can do it once we move to latest BK version.
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