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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-710) Add to ser/deser methods to RecordFactory
Date Thu, 30 May 2013 19:24:21 GMT

     [ https://issues.apache.org/jira/browse/YARN-710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alejandro Abdelnur updated YARN-710:

    Attachment: YARN-710.patch

Addressing Sid's first 2 bullet items. On the 3rd one, that would require assuming that I
could remove 'PBImpl' from the class, add 'Proto' and then I get the proto implementation.
Plus package swithing. While the 'PBImpl' postfix is used as a convention already, the 'Proto'
and the package are not used as convention, thus I'd leave it as it is.

Reading writing multiple records is responsibility of the user.

On how to mark records that are serializable? My take is that either we add static read/write
methods in all the ones we want that. Or we have a 'SerDeser' interface and a SerDserUtils
with the read/write. The chosen impl would delegate to the factory.
> 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, 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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