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From "Li Bo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7889) Subclass DFSOutputStream to support writing striping layout files
Date Thu, 09 Apr 2015 09:27:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14487041#comment-14487041
] 

Li Bo commented on HDFS-7889:
-----------------------------

Changes in patch 010:
check file length in unit test;
check if the parity blocks are correctly generated;
leading streamer will wait other streamers before committing block group to NN because it
has to calculate the bytes written for this block writer;
fix other problems in Zhe's review.

> Subclass DFSOutputStream to support writing striping layout files
> -----------------------------------------------------------------
>
>                 Key: HDFS-7889
>                 URL: https://issues.apache.org/jira/browse/HDFS-7889
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Li Bo
>            Assignee: Li Bo
>         Attachments: HDFS-7889-001.patch, HDFS-7889-002.patch, HDFS-7889-003.patch, HDFS-7889-004.patch,
HDFS-7889-005.patch, HDFS-7889-006.patch, HDFS-7889-007.patch, HDFS-7889-008.patch, HDFS-7889-009.patch,
HDFS-7889-010.patch
>
>
> After HDFS-7888, we can subclass  {{DFSOutputStream}} to support writing striping layout
files. 



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