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https://issues.apache.org/jira/browse/MAPREDUCE-6608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15106086#comment-15106086
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Raju Bairishetti commented on MAPREDUCE-6608:
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I agree that storing state in zookeeper may have scalability issues. I am just
thinking that will it be ended up having too many small files in hdfs if we are
planning to store AM information in HDFS.
> Work Preserving AM Restart for MapReduce
> ----------------------------------------
>
> Key: MAPREDUCE-6608
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6608
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Srikanth Sampath
> Assignee: Srikanth Sampath
> Attachments: WorkPreservingMRAppMaster.pdf
>
>
> Providing a framework for work preserving AM is achieved in
> [YARN-1489|https://issues.apache.org/jira/browse/YARN-1489]. We would like
> to take advantage of this for MapReduce(MR) applications. There are some
> challenges which have been described in the attached document and few options
> discussed. We solicit feedback from the community.
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