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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13607) [Edit Tail Fast Path Pt 1] Enhance JournalNode with an in-memory cache of recent edit transactions
Date Fri, 08 Jun 2018 17:46:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16506319#comment-16506319
] 

Erik Krogen commented on HDFS-13607:
------------------------------------

Thanks [~shv] and [~csun] for the final reviews! I just committed this to HDFS-12943 after
removing the unused import. Uploading v006 patch to represent the final changes that were
committed.

> [Edit Tail Fast Path Pt 1] Enhance JournalNode with an in-memory cache of recent edit
transactions
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-13607
>                 URL: https://issues.apache.org/jira/browse/HDFS-13607
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, journal-node
>            Reporter: Erik Krogen
>            Assignee: Erik Krogen
>            Priority: Major
>         Attachments: HDFS-13607-HDFS-12943.000.patch, HDFS-13607-HDFS-12943.001.patch,
HDFS-13607-HDFS-12943.002.patch, HDFS-13607-HDFS-12943.003.patch, HDFS-13607-HDFS-12943.004.patch,
HDFS-13607-HDFS-12943.005.patch, HDFS-13607-HDFS-12943.006.patch
>
>
> See HDFS-13150 for full design.
> This JIRA is to add the in-memory cache of recent edit transactions on the JournalNode.
This JIRA does not include accesses to this cache.



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