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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17448) Export metrics from RecoverableZooKeeper
Date Thu, 27 Apr 2017 03:50:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15985953#comment-15985953
] 

Hudson commented on HBASE-17448:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-1.4 #705 (See [https://builds.apache.org/job/HBase-1.4/705/])
HBASE-17448 Export metrics from RecoverableZooKeeper (apurtell: rev defc25c6d109c4c8782477cc517d71206e7d3aca)
* (add) hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperMetricsListener.java
* (add) hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/MetricsZooKeeper.java
* (add) hbase-hadoop2-compat/src/main/resources/META-INF/services/org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSource
* (add) hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/zookeeper/MetricsZooKeeperSource.java
* (edit) hbase-client/pom.xml
* (add) hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/zookeeper/MetricsZooKeeperSourceImpl.java
* (add) hbase-client/src/test/java/org/apache/hadoop/hbase/zookeeper/TestMetricsZooKeeper.java
* (add) hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/zookeeper/TestMetricsZooKeeperSourceImpl.java
* (edit) hbase-client/src/main/java/org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.java
* (add) hbase-hadoop-compat/src/test/java/org/apache/hadoop/hbase/zookeeper/TestMetricsZooKeeperSource.java


> 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, 1.4.0
>
>         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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