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https://issues.apache.org/jira/browse/HBASE-7351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13536310#comment-13536310
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Andrew Purtell commented on HBASE-7351:
---------------------------------------
Yes the v1 0.94 patch looks good, except for the occasional missing trivial
s/region// . Ideally there could be one simple unit test to confirm the
HealthChecker works as advertised. I was just thinking about this: a very small
value for "hbase.node.health.script.timeout" with a shell script that sleeps
too long, a script that is 'exit -1', a missing script (fails with exception),
and finally a script that is 'exit 0'. What do you think?
> Periodic health check chore
> ---------------------------
>
> Key: HBASE-7351
> URL: https://issues.apache.org/jira/browse/HBASE-7351
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Vandana Ayyalasomayajula
> Assignee: Vandana Ayyalasomayajula
> Priority: Minor
> Attachments: HBASE-7331_94_1.patch, HBASE-7331_94.patch,
> HBASE-7331_trunk.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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