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From "Walter Su (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8417) Erasure Coding: Pread failed to read data starting from not-first stripe
Date Mon, 18 May 2015 13:32:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547998#comment-14547998
] 

Walter Su commented on HDFS-8417:
---------------------------------

{{TestDFSStripedInputStream}} doesn't depend on {{DFSStripedOutputStream}}. It's different
from {{TestWriteReadStripedFile}}. So It's necessary to include tests. 002 patch includes
tests. Please review.

> Erasure Coding: Pread failed to read data starting from not-first stripe
> ------------------------------------------------------------------------
>
>                 Key: HDFS-8417
>                 URL: https://issues.apache.org/jira/browse/HDFS-8417
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Walter Su
>            Assignee: Walter Su
>         Attachments: HDFS-8417-HDFS-7285.001.patch, HDFS-8417-HDFS-7285.002.patch
>
>
> When file length is cellSize * dataBlocks +123, and Pread start from cellSize * dataBlocks
+ 1, it will fail.



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