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https://issues.apache.org/jira/browse/HAMA-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580483#comment-13580483
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Thomas Jungblut commented on HAMA-704:
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What you describe sounds like a memory leak. However it is difficult to tell if
that is merely a coincidence and the messages suck up all the memory or if
there is a memory leak in the vertex.
So the safest bet would be to turn on a dummy message manager that discards all
messages and constantly sends a small amount of messages to random vertices. If
you then see a memory increase (with a profiler, not with top) while
computation there is a leak.
> 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: Critical
> Fix For: 0.6.1
>
> Attachments: hama-704_v05.patch, localdisk.patch, mytest.patch,
> patch.txt, patch.txt, removeMsgMap.patch
>
>
> <vertex, message> map seems consume a lot of memory. We should figure out an
> efficient way to reduce memory.
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