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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13759) Improve procedure yielding
Date Sun, 24 May 2015 17:08:18 GMT
Matteo Bertozzi created HBASE-13759:

             Summary: 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

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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