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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2013/09/20 22:30:55 UTC

[jira] [Updated] (HBASE-7351) Periodic health check chore

     [ https://issues.apache.org/jira/browse/HBASE-7351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-7351:
-------------------------

    Release Note: 
Run a script of your creation on a period.  If it fails N times (configurable), have the server exit.

New configs:

 hbase.node.health.script.location
 hbase.node.health.script.timeout
 hbase.node.health.script.frequency Default is every 60seconds.
 hbase.node.health.failure.threshold Defaults to 3.



nvm.  I added one.  I also just add some doc to the ops tools section so hopefully folks come to realize this works.
                
> Periodic health check chore
> ---------------------------
>
>                 Key: HBASE-7351
>                 URL: https://issues.apache.org/jira/browse/HBASE-7351
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.95.2
>            Reporter: Vandana Ayyalasomayajula
>            Assignee: Vandana Ayyalasomayajula
>            Priority: Minor
>             Fix For: 0.94.4, 0.95.0
>
>         Attachments: HBASE-7331_94_1.patch, HBASE-7331_94_2.patch, HBASE-7331_94_3.patch, HBASE-7331_94.patch, HBASE-7331_trunk.patch, HBASE-7351_trunk_2.patch
>
>
> Similar to MAPREDUCE-211, region server should also have a mechanism to check the health of the node.  It should run the health check script periodically and if there is any errors, it should stop itself gracefully. 

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