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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