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https://issues.apache.org/jira/browse/HAMA-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13579039#comment-13579039
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Suraj Menon commented on HAMA-704:
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I suggest we leave this at having a TreeSet<Vertex> and SortedMessageQueue for
messages and have an Iterator instance that goes over these two sorted queues
in order grouping the vertices and messages. We can avoid reading the messages
twice with HAMA-734. Memory usage then can be reduced with sorted spilling
queues.
> 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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