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https://issues.apache.org/jira/browse/HBASE-17448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15985718#comment-15985718
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Andrew Purtell commented on HBASE-17448:
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If no objections I will commit this later today.
> Export metrics from RecoverableZooKeeper
> ----------------------------------------
>
> Key: HBASE-17448
> URL: https://issues.apache.org/jira/browse/HBASE-17448
> Project: HBase
> Issue Type: Improvement
> Components: Zookeeper
> Affects Versions: 1.3.1
> Reporter: Andrew Purtell
> Assignee: Chinmay Kulkarni
> Labels: patch
> Fix For: 2.0.0
>
> Attachments: HBASE-17448-branch-1.patch, HBASE-17448.patch,
> HBASE-17448.patch
>
>
> 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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