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Posted to mapreduce-issues@hadoop.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2013/03/01 20:45:15 UTC

[jira] [Commented] (MAPREDUCE-5040) Make JobId, TaskId, TaskAttemptId immutable

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590880#comment-13590880 ] 

Siddharth Seth commented on MAPREDUCE-5040:
-------------------------------------------

Just to be clear, this refers to the classes in org.apache.hadoop.mapreduce.v2.api.records
                
> Make JobId, TaskId, TaskAttemptId immutable
> -------------------------------------------
>
>                 Key: MAPREDUCE-5040
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5040
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>
> These classes don't really need to be mutable. The current implementation synchronizes on pretty much all operations - which should be avoided.

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