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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2027) FileSystem should provide byte ranges for file locations
Date Thu, 20 Mar 2008 13:15:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12580752#action_12580752
] 

Hudson commented on HADOOP-2027:
--------------------------------

Integrated in Hadoop-trunk #434 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/434/])

> FileSystem should provide byte ranges for file locations
> --------------------------------------------------------
>
>                 Key: HADOOP-2027
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2027
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>            Reporter: Owen O'Malley
>            Assignee: lohit vijayarenu
>             Fix For: 0.17.0
>
>         Attachments: HADOOP-2027-1.patch, HADOOP-2027-10.patch, HADOOP-2027-14.patch,
HADOOP-2027-2.patch, HADOOP-2027-3.patch, HADOOP-2027-4.patch, HADOOP-2027-5.patch, HADOOP-2027-6.patch,
HADOOP-2027-7.patch, HADOOP-2027-8.patch, HADOOP-2027-9.patch, HADOOP-2559-11.patch, HADOOP-2559-12.patch,
HADOOP-2559-13.patch
>
>
> FileSystem's getFileCacheHints should be replaced with something more useful. I'd suggest
replacing getFileCacheHints with a new method:
> {code}
> BlockLocation[] getFileLocations(Path file, long offset, long range) throws IOException;
> {code}
> and adding
> {code}
> class BlockLocation implements Writable {
>   String[] getHosts();
>   long getOffset();
>   long getLength();
> }
> {code}

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