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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2017/01/11 01:38:58 UTC

[jira] [Created] (HBASE-17448) Export metrics from RecoverableZooKeeper

Andrew Purtell created HBASE-17448:
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             Summary: Export metrics from RecoverableZooKeeper
                 Key: HBASE-17448
                 URL: https://issues.apache.org/jira/browse/HBASE-17448
             Project: HBase
          Issue Type: Improvement
          Components: Zookeeper
            Reporter: Andrew Purtell


Consider adding instrumentation to RecoverableZooKeeper that exposes metrics on the performance and health of the embedded ZooKeeper client: latency histograms for each op type, number of reconnections, number of ops where a reconnection was necessary to proceed, number of failed ops due to CONNECTIONLOSS, number of failed ops due to SESSIONEXIPRED, number of failed ops due to OPERATIONTIMEOUT. 

RecoverableZooKeeper is a class in hbase-client so we can hook up the new metrics to both client- and server-side metrics reporters. Probably this metrics source should be a process singleton. 



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