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https://issues.apache.org/jira/browse/YARN-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15888753#comment-15888753
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Haibo Chen commented on YARN-4061:
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I notice that in FlowAcitivityColumnPrefix.store(byte[] rowKey,
TypedBufferedMutator<FlowActivityTable> tableMutator, String qualifier, Long
timestamp, Object inputValue, Attribute... attributes), timestamp is dropped
(column.store gets a null for timestamp). This is not in line with one of our
discussions in which I remember I was told that ATS clients set the timestamp
explicitly so there is no out of order problem in our fault-torelant writer.
Are I missing something?
> [Fault tolerance] Fault tolerant writer for timeline v2
> -------------------------------------------------------
>
> Key: YARN-4061
> URL: https://issues.apache.org/jira/browse/YARN-4061
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Li Lu
> Assignee: Joep Rottinghuis
> Labels: YARN-5355, yarn-5355-merge-blocker
> Attachments: FaulttolerantwriterforTimelinev2.pdf
>
>
> We need to build a timeline writer that can be resistant to backend storage
> down time and timeline collector failures.
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