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Posted to dev@hama.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/05/03 01:06:03 UTC
[jira] [Commented] (HAMA-380) Send messages in batches to reduce
RPC overhead.
[ https://issues.apache.org/jira/browse/HAMA-380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13027906#comment-13027906 ]
Hudson commented on HAMA-380:
-----------------------------
Integrated in Hama-Nightly #189 (See [https://builds.apache.org/hudson/job/Hama-Nightly/189/])
HAMA-380 is a new feature.
> Send messages in batches to reduce RPC overhead.
> ------------------------------------------------
>
> Key: HAMA-380
> URL: https://issues.apache.org/jira/browse/HAMA-380
> Project: Hama
> Issue Type: Improvement
> Components: bsp
> Affects Versions: 0.3.0
> Reporter: Miklos Erdelyi
> Assignee: Miklos Erdelyi
> Fix For: 0.3.0
>
> Attachments: HAMA-380-v2.patch, bspmsgbundle.patch, bspmsgbundle.v2.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> When profiling graph computations running on HAMA it turned out that huge amount of time is spent in RPC calls.
> To reduce this overhead I propose extending the GroomServer's API with a put(BSPMessageBundle) method so that a group of messages can be transferred from the caller to the callee at once. Also, the sync() operation should be improved by sending messages in batches rather than one-by-one.
> Using BSPMessageBundle makes it easier to add support for compression of messages later.
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