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From "Gokul (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-679) Appending to a partial chunk incorrectly assumes the first packet fills up the partial chunk
Date Fri, 11 Mar 2011 13:34:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005630#comment-13005630
] 

Gokul commented on HDFS-679:
----------------------------

This issue is there in 0.20 append branch also.Is there a patch for 0.20 append?

> Appending to a partial chunk incorrectly assumes the first packet fills up the partial
chunk
> --------------------------------------------------------------------------------------------
>
>                 Key: HDFS-679
>                 URL: https://issues.apache.org/jira/browse/HDFS-679
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.21.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.21.0
>
>         Attachments: appendToPartialChunk.patch, appendToPartialChunk1.patch
>
>
> When I run TestClientProtocolForPipelineRecovery, I always see that the block receiver
throws IOException complaining about mismatched checksum when receiving the last data packet.
It turns out the checksum of last packet was unexpectedly set to be zero.

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