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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13610) [Edit Tail Fast Path Pt 4] Cleanup: integration test, documentation, remove unnecessary dummy sync
Date Wed, 23 May 2018 16:52:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16487628#comment-16487628
] 

Erik Krogen commented on HDFS-13610:
------------------------------------

Attaching v000 patch but not marking patch available since this depends on HDFS-13607 / HDFS-13608
/ HDFS-13609

> [Edit Tail Fast Path Pt 4] Cleanup: integration test, documentation, remove unnecessary
dummy sync
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-13610
>                 URL: https://issues.apache.org/jira/browse/HDFS-13610
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, journal-node, namenode
>            Reporter: Erik Krogen
>            Assignee: Erik Krogen
>            Priority: Major
>         Attachments: HDFS-13610-HDFS-12943.000.patch
>
>
> See HDFS-13150 for full design.
> This JIRA is targeted at cleanup tasks:
> * Add in integration testing. We can expand {{TestStandbyInProgressTail}}
> * Documentation in HDFSHighAvailabilityWithQJM
> * Remove the dummy sync added as part of HDFS-10519; it is unnecessary since now in-progress
tailing does not rely as heavily on the JN committedTxnId



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