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From "ChiaHung Lin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-376) Refactor BSPMaster and GroomServer to allow rpc methods reuse
Date Mon, 18 Apr 2011 05:56:05 GMT

     [ https://issues.apache.org/jira/browse/HAMA-376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ChiaHung Lin updated HAMA-376:
------------------------------

    Attachment: HAMA-376.patch

The newly attached patch follows behaviour similar to hadoop so the default setting (bsp.master.address
in hama-default.xml) is set to local. For test case which launches MiniBSPCluster, hama-site.xml
is required to be overridden to e.g. localhost:40000 because localhost is no longer the default
value. 

> Refactor BSPMaster and GroomServer to allow rpc methods reuse
> -------------------------------------------------------------
>
>                 Key: HAMA-376
>                 URL: https://issues.apache.org/jira/browse/HAMA-376
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp
>    Affects Versions: 0.3.0
>         Environment: Debian squeeze/sid, java 1.6.0_22, Hama revision 1090950
>            Reporter: ChiaHung Lin
>            Assignee: ChiaHung Lin
>              Labels: patch
>             Fix For: 0.3.0
>
>         Attachments: HAMA-376.patch, HAMA-376.patch, HAMA-376.patch, HAMA-376.patch
>
>
> The current Hama BSPMaster and GroomServer make use of dispatch() and report() function
for communication. But the directives passed in is composite, which is a bit difficult to
customize new directives for future use. The refactored version allows to pass customized
directives by extending Directive class; and the customized directive will be processed with
corresponded handler. Also, directives are put into queue, so the rpc method e.g. dispatch()
do not need to go through the whole method until the execution is finished. 

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