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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-742) Implement of Hama RPC
Date Mon, 29 Jul 2013 12:09:48 GMT

    [ https://issues.apache.org/jira/browse/HAMA-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13722385#comment-13722385
] 

Edward J. Yoon commented on HAMA-742:
-------------------------------------

NOTE: With this patch, Hama works well on both hadoop1 and hadoop2 cluster. Unit tests also
passes only except TestIPC.

{code}Running org.apache.hama.ipc.TestIPC
log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
Tests run: 3, Failures: 3, Errors: 0, Skipped: 0, Time elapsed: 0.025 sec <<< FAILURE!{code}
                
> Implement of Hama RPC 
> ----------------------
>
>                 Key: HAMA-742
>                 URL: https://issues.apache.org/jira/browse/HAMA-742
>             Project: Hama
>          Issue Type: Sub-task
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.6.3
>
>         Attachments: HAMA-742_v01.patch, HAMA-742_v02.patch, HAMA-742_v03.patch
>
>
> To solve HDFS 2.0 compatibility issue, we have to change a lot of codes for Hadoop 2.0
RPC, moreover, yarn RPC doesn't support asynchronous call directly.
> Ultimately, we can pursue the performance and integrate more easily with hadoop multi-versions
by having our own RPC.

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