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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15727) Canary Tool for Zookeeper
Date Wed, 08 Jun 2016 17:20:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15320982#comment-15320982
] 

Hudson commented on HBASE-15727:
--------------------------------

FAILURE: Integrated in HBase-0.98-on-Hadoop-1.1 #1225 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/1225/])
HBASE-15727 Canary Tool for Zookeeper (churro morales) (apurtell: rev 60958f591258fabca627ec087286112793fe6dbf)
* hbase-server/src/main/java/org/apache/hadoop/hbase/tool/Canary.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/tool/TestCanaryTool.java


> Canary Tool for Zookeeper
> -------------------------
>
>                 Key: HBASE-15727
>                 URL: https://issues.apache.org/jira/browse/HBASE-15727
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: churro morales
>            Assignee: churro morales
>             Fix For: 2.0.0, 1.4.0, 0.98.20
>
>         Attachments: HBASE-15727-v1.patch, HBASE-15727-v2.patch, HBASE-15727-v3.patch,
HBASE-15727.patch, HBASE-15727.v4.patch, HBASE-15727.v5.patch
>
>
> It would be nice to have the canary tool also monitor zookeeper.  Something simple like
doing a getData() call on zookeeper.znode.parent
> It would be nice to create clients for every instance in the quorum such that you could
monitor overloaded or poor behaving instances.



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