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https://issues.apache.org/jira/browse/RANGER-821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15117920#comment-15117920
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Alok Lal commented on RANGER-821:
---------------------------------
ranger-0.5: 10970b36646e80e06ef9540da9035231a7450ec6
master: 3634faa1253bbb3298e61630defbaf76d032dff6
> Audit shutdown hook should not only do its processing interruptibly but also
> have an upper bound on how long it runs
> --------------------------------------------------------------------------------------------------------------------
>
> Key: RANGER-821
> URL: https://issues.apache.org/jira/browse/RANGER-821
> Project: Ranger
> Issue Type: Bug
> Components: audit
> Reporter: Alok Lal
> Assignee: Alok Lal
> Attachments: 821.final.patch
>
>
> Ranger audit framework installs a shutdown hook which attempts to flush any
> pending audit messages (in the async audit queue) to respective audit sinks.
> There have been issues reported from field that in this shutdown hook can
> hold up graceful shutdown of its host service. In some cases this inability
> to shutdown in a timely manner can interfere with the host services' HA
> guarantees, e.g. Namenodes HA relies on it to shutdown itself gracefully so
> standby can takeover.
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