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Posted to mapreduce-issues@hadoop.apache.org by "Eric Payne (JIRA)" <ji...@apache.org> on 2015/05/05 03:52:06 UTC

[jira] [Updated] (MAPREDUCE-6174) Combine common stream code into parent class for InMemoryMapOutput and OnDiskMapOutput.

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Payne updated MAPREDUCE-6174:
----------------------------------
    Attachment: MAPREDUCE-6174.002.patch

Thank you, [~jira.shegalov], for your help with this issue. Version 2 of the patch now contains a test that verifies that {{inMemoryMapOutput}} and {{OnDiskMapOutput}} are derived from the new class.

> Combine common stream code into parent class for InMemoryMapOutput and OnDiskMapOutput.
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6174
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6174
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>    Affects Versions: 3.0.0, 2.6.0
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: MAPREDUCE-6174.002.patch, MAPREDUCE-6174.v1.txt
>
>
> Per MAPREDUCE-6166, both InMemoryMapOutput and OnDiskMapOutput will be doing similar things with regards to IFile streams.
> In order to make it explicit that InMemoryMapOutput and OnDiskMapOutput are different from 3rd-party implementations, this JIRA will make them subclass a common class (see https://issues.apache.org/jira/browse/MAPREDUCE-6166?focusedCommentId=14223368&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14223368)



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