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From "Miklos Erdelyi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-380) Send messages in batches to reduce RPC overhead.
Date Mon, 18 Apr 2011 15:51:05 GMT

     [ https://issues.apache.org/jira/browse/HAMA-380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Miklos Erdelyi updated HAMA-380:
--------------------------------

    Comment: was deleted

(was: Patch adding BSPMessageBundle.)

> 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
>             Fix For: 0.3.0
>
>         Attachments: bspmsgbundle.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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