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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-710) Add to ser/deser methods to RecordFactory
Date Tue, 21 May 2013 22:28:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13663493#comment-13663493
] 

Alejandro Abdelnur commented on YARN-710:
-----------------------------------------

Sid, what would be 'relevant' Yarn records? I would say, this should be avail for all records.
I'm OK moving the write()/read() methods to another class, RecordIOUtils?. 

Mmhhh, or ... as this is highly coupled to the RecordFactory in use. Why not have this in
the RecordFactory as the current patch, and as part of YARN-711 a public proxy class is put
in place using the current RecordFactory? Then if you use a different RecordFactory, things
will work as expected.
                
> Add to ser/deser methods to RecordFactory
> -----------------------------------------
>
>                 Key: YARN-710
>                 URL: https://issues.apache.org/jira/browse/YARN-710
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: api
>    Affects Versions: 2.0.4-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: YARN-710.patch
>
>
> I order to do things like AMs failover and checkpointing I need to serialize app IDs,
app attempt IDs, containers and/or IDs,  resource requests, etc.
> Because we are wrapping/hiding the PB implementation from the APIs, we are hiding the
built in PB ser/deser capabilities.

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