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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-755) Read multiple checksum chunks at once in DFSInputStream
Date Wed, 06 Jan 2010 22:54:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797369#action_12797369
] 

Todd Lipcon commented on HDFS-755:
----------------------------------

Ran this patch through the full test suite on a local build machine, and the only failures
were completely unrelated (and different than the ones that failed above). I believe this
is ready to commit, since it was already +1ed above.

> Read multiple checksum chunks at once in DFSInputStream
> -------------------------------------------------------
>
>                 Key: HDFS-755
>                 URL: https://issues.apache.org/jira/browse/HDFS-755
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs client
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: alldata-hdfs.tsv, benchmark-8-256.png, benchmark.png, hdfs-755.txt,
hdfs-755.txt, hdfs-755.txt, hdfs-755.txt, hdfs-755.txt, hdfs-755.txt
>
>
> HADOOP-3205 adds the ability for FSInputChecker subclasses to read multiple checksum
chunks in a single call to readChunk. This is the HDFS-side use of that new feature.

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