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From "Li Bo (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8120) Erasure coding: created util class to analyze striped block groups
Date Wed, 15 Apr 2015 09:59:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14495963#comment-14495963
] 

Li Bo commented on HDFS-8120:
-----------------------------

I think Jing's idea is a good method to solve the problem.

I have just uploaded patch 007, changes include:(compare with patch 006)
1.fix bugs in {{TestDFSStripedOutputStream}};
2. Some unit tests will hang for several seconds when writing. This is not observed using
RS(3,2) but obvious using RS(6,3). I have fixed this problem in patch 007(also can create
a new jira for this bug). 

> Erasure coding: created util class to analyze striped block groups
> ------------------------------------------------------------------
>
>                 Key: HDFS-8120
>                 URL: https://issues.apache.org/jira/browse/HDFS-8120
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HDFS-8120.000.patch, HDFS-8120.001.patch, HDFS-8120.002.patch, HDFS-8120.003.patch,
HDFS-8120.004.patch, HDFS-8120.005.patch, HDFS-8120.006.patch, HDFS-8120.007.patch
>
>
> The patch adds logic of calculating size of individual blocks in a striped block group.



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