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https://issues.apache.org/jira/browse/HBASE-13759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matteo Bertozzi updated HBASE-13759:
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Attachment: HBASE-13759-v0.patch
> Improve procedure yielding
> --------------------------
>
> Key: HBASE-13759
> URL: https://issues.apache.org/jira/browse/HBASE-13759
> Project: HBase
> Issue Type: Sub-task
> Components: proc-v2
> Affects Versions: 2.0.0, 1.2.0
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Trivial
> Fix For: 2.0.0, 1.2.0
>
> Attachments: HBASE-13759-v0.patch
>
>
> Adds the ability to yield the procedure every execution step.
> by default, a procedure will try to go begin to end without stopping.
> This allows procedures to be nice to other procedures.
> one usage example is ServerShutdownHandler where we want everyone to make
> some progress.
> Allows procedure to throw InterruptedException, the default handling will be:
> "ask the master if there is an abort of stop. If there is, stop executions
> and exit. Else, clear the IE and carryon executing. the interruted procedure
> will retry".
> If the procedure implementor wants a different behavior, the IE can be
> catched and custom handling can be performed.
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