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Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2015/02/02 12:00:39 UTC
[jira] [Comment Edited] (HAMA-919) Manage messages per Vertex
[ https://issues.apache.org/jira/browse/HAMA-919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14301152#comment-14301152 ]
Edward J. Yoon edited comment on HAMA-919 at 2/2/15 11:00 AM:
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I'm testing. Actually, retreive() method of direct memory sometimes returns NULL, so I feel it's somewhat unstable.
{quote}
Maybe we should use an other more active one?
{quote}
Do you have/know other solutions similar to Apache Direct Memory?
was (Author: udanax):
I'm testing. Actually, retreive() method of direct memory sometimes returns NULL, so I feel it's somewhat unstable.
{quote}
Maybe we should use an other more active one?
{quote}
Do you have know other good solutions?
> Manage messages per Vertex
> --------------------------
>
> Key: HAMA-919
> URL: https://issues.apache.org/jira/browse/HAMA-919
> Project: Hama
> Issue Type: Improvement
> Components: graph
> Affects Versions: 0.6.4
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Priority: Blocker
> Fix For: 0.7.0
>
> Attachments: HAMA-919_v01.patch, HAMA-919_v02.patch, HAMA-919_v03.patch, HAMA-919_v04.patch, HAMA-919_v05.patch, test.patch
>
>
> As I described in mailing list, we need to manage the messages per Vertex.
> Currently, sender-side creates and sends the GraphJobMessage object per each message, receiver-side groups messages by Vertex. To simplify grouping process, we used sorting and sequential processing.
> If we manage the outgoing messages per Vertex, we don't need to use the sorted message queue. So we can improve the memory efficiency and the performance by multi-threading.
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