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https://issues.apache.org/jira/browse/HAMA-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13549419#comment-13549419
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Edward J. Yoon commented on HAMA-704:
-------------------------------------
Tested local disk version and System.gc on 32 nodes cluster.
It seems no way to avoid creation of memory garbage for grouping messages by
vertexID. So, writing parsed message to disk is not helpful.
On the other hand, System.gc calling was helpful. Should we close this issue as
a 'won't fix'?
> Optimization of memory usage during message processing
> ------------------------------------------------------
>
> Key: HAMA-704
> URL: https://issues.apache.org/jira/browse/HAMA-704
> Project: Hama
> Issue Type: Improvement
> Components: graph
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Priority: Minor
> Attachments: mytest.patch
>
>
> <vertex, message> map seems consume a lot of memory. We should figure out an
> efficient way to reduce memory.
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