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From "Maja Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-1046) Add a way to synchronize full GC calls across workers
Date Thu, 10 Mar 2016 22:29:40 GMT
Maja Kabiljo created GIRAPH-1046:
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             Summary: Add a way to synchronize full GC calls across workers
                 Key: GIRAPH-1046
                 URL: https://issues.apache.org/jira/browse/GIRAPH-1046
             Project: Giraph
          Issue Type: New Feature
            Reporter: Maja Kabiljo
            Assignee: Maja Kabiljo


In applications which use memory more heavily, we can see full GC pauses happening on different
workers at different times, and each of these is causing some delay because other workers
are often waiting on something from the worker in GC (closing open requests, finishing superstep,
etc). Having a way to coordinate when full GCs are called could help them have less effect
on job performance.



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