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From "Laxman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4807) Allow MapOutputBuffer to be pluggable
Date Mon, 26 Nov 2012 04:54:58 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13503620#comment-13503620
] 

Laxman commented on MAPREDUCE-4807:
-----------------------------------

I manually merged your patch to branch-2. But that should not be a cause of this problem.
I had just gone through trunk code also. 

{code}
-  private class MapOutputBuffer<K extends Object, V extends Object>
+  @InterfaceAudience.LimitedPrivate({"MapReduce"})
+  @InterfaceStability.Unstable
+  public static class MapOutputBuffer<K extends Object, V extends Object>
{code}

Please consider the following leaving aside the problems w.r.to applying patch or wrong branch.

* MapOutputBuffer is a static inner class.
* getTaskID() is a inherited method from Task (non-static)
* In patch, we are referring to non-static method(getTaskID()) from static context (public
static class MapOutputBuffer)

This is a trivial problem. Isn't it?
                
> Allow MapOutputBuffer to be pluggable
> -------------------------------------
>
>                 Key: MAPREDUCE-4807
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4807
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>    Affects Versions: 2.0.2-alpha
>            Reporter: Arun C Murthy
>            Assignee: Mariappan Asokan
>             Fix For: 2.0.3-alpha
>
>         Attachments: COMBO-mapreduce-4809-4807.patch, mapreduce-4807.patch, mapreduce-4807.patch,
mapreduce-4807.patch, mapreduce-4807.patch
>
>
> Allow MapOutputBuffer to be pluggable

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