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https://issues.apache.org/jira/browse/YARN-7272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16194763#comment-16194763
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Jason Lowe commented on YARN-7272:
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Leveldb seems like a great fit for this, IMO. It has high performance for
writes and works quite well in the nodemanager use-case. This case seems
identical in that the collector would write to the database and only read upon
recovery. Leveldb is already a dependency used in multiple places, and I'd
hate to see us add yet another dependency or reinvent the wheel here.
> Enable timeline collector fault tolerance
> -----------------------------------------
>
> Key: YARN-7272
> URL: https://issues.apache.org/jira/browse/YARN-7272
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineclient, timelinereader, timelineserver
> Reporter: Vrushali C
> Assignee: Rohith Sharma K S
>
> If a NM goes down and along with it the timeline collector aux service for a
> running yarn app, we would like that yarn app to re-establish connection with
> a new timeline collector.
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