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https://issues.apache.org/jira/browse/MAPREDUCE-5608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17633443#comment-17633443
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ASF GitHub Bot commented on MAPREDUCE-5608:
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aajisaka commented on PR #5014:
URL: https://github.com/apache/hadoop/pull/5014#issuecomment-1312943154
Thank you @ashutoshcipher for taking this issue over.
> Replace and deprecate mapred.tasktracker.indexcache.mb
> ------------------------------------------------------
>
> Key: MAPREDUCE-5608
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5608
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 2.2.0
> Reporter: Sandy Ryza
> Assignee: Ashutosh Gupta
> Priority: Major
> Labels: BB2015-05-TBR, configuration, newbie,
> pull-request-available
> Attachments: MAPREDUCE-5608-002.patch, MAPREDUCE-5608.003.patch,
> MAPREDUCE-5608.patch
>
>
> In MR2 mapred.tasktracker.indexcache.mb still works for configuring the size
> of the shuffle service index cache. As the tasktracker no longer exists, we
> should replace this with something like mapreduce.shuffle.indexcache.mb.
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