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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7661) Erasure coding: support hflush and hsync
Date Thu, 17 Mar 2016 18:25:33 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15200103#comment-15200103
] 

Mingliang Liu commented on HDFS-7661:
-------------------------------------

According to the current design, we need to break down this issue to smaller subtasks for
joint effort of coding and review. I suggest we make this task as umbrella jira and create
subtask jiras under it. Also, a feature branch will be helpful as the intermediate subtask
code may evolve fast and break things unconsciously before we integrate them together.

> Erasure coding: support hflush and hsync
> ----------------------------------------
>
>                 Key: HDFS-7661
>                 URL: https://issues.apache.org/jira/browse/HDFS-7661
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: GAO Rui
>         Attachments: EC-file-flush-and-sync-steps-plan-2015-12-01.png, HDFS-7661-unitTest-wip-trunk.patch,
HDFS-7661-wip.01.patch, HDFS-EC-file-flush-sync-design-version1.1.pdf, HDFS-EC-file-flush-sync-design-version2.2.pdf
>
>
> We also need to support hflush/hsync and visible length. 



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