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https://issues.apache.org/jira/browse/GIRAPH-1046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190169#comment-15190169
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Maja Kabiljo commented on GIRAPH-1046:
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https://reviews.facebook.net/D55347

> 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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