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https://issues.apache.org/jira/browse/HDFS-4631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fengdong Yu updated HDFS-4631:
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Labels: features ha hadoop (was: )
Status: Patch Available (was: Open)
> Support customized call back method during failover automatically.
> ------------------------------------------------------------------
>
> Key: HDFS-4631
> URL: https://issues.apache.org/jira/browse/HDFS-4631
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ha
> Affects Versions: 3.0.0
> Reporter: Fengdong Yu
> Labels: hadoop, features, ha
> Fix For: 3.0.0
>
> Attachments: HDFS-4631.patch
>
> Original Estimate: 0.5m
> Remaining Estimate: 0.5m
>
> ZKFC add HealthCallbacks bu default, this can do quiteElection at least. but
> we often want to be alerted if there is fail over occurring(such as send
> email, short message), especially for prod cluster.
> There is a configured fence script. maybe we can put all these logics in the
> script. but in reasonable, fence script does only one thing: fence :)
> So I added this patch, we can configure customized HM callback method, if
> there is no configration, then only HealthCallbacks is added.
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