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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17448) Export metrics from RecoverableZooKeeper
Date Sun, 23 Apr 2017 05:38:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15980275#comment-15980275

Lars Hofhansl commented on HBASE-17448:


> 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: 1.3.2
>         Attachments: 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
> 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

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