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From "Konstantin Boudnik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-483) Data transfer (aka pipeline) implementation cannot tolerate exceptions
Date Sat, 01 Aug 2009 01:16:15 GMT

    [ https://issues.apache.org/jira/browse/HDFS-483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12737805#action_12737805
] 

Konstantin Boudnik commented on HDFS-483:
-----------------------------------------

Looks good! Thanks for adding JavaDocs Nicholas.

> Data transfer (aka pipeline) implementation cannot tolerate exceptions
> ----------------------------------------------------------------------
>
>                 Key: HDFS-483
>                 URL: https://issues.apache.org/jira/browse/HDFS-483
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node, hdfs client
>            Reporter: Tsz Wo (Nicholas), SZE
>         Attachments: h483_20090709.patch, h483_20090713.patch, h483_20090717.patch, h483_20090727.patch,
h483_20090730.patch, h483_20090731.patch
>
>
> Data transfer was tested with simulated exceptions as below:
> # create files with dfs
> # write 1 byte
> # close file
> # open the same file
> # read the 1 byte and compare results
> The file was closed successfully but we got an IOException(Could not get block locations...)
when the file was reopened for reading.

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