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Posted to common-dev@hadoop.apache.org by "lohit vijayarenu (JIRA)" <ji...@apache.org> on 2008/03/06 07:34:58 UTC

[jira] Updated: (HADOOP-2027) FileSystem should provide byte ranges for file locations

     [ https://issues.apache.org/jira/browse/HADOOP-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

lohit vijayarenu updated HADOOP-2027:
-------------------------------------

    Status: Open  (was: Patch Available)

> 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
>         Attachments: HADOOP-2027-1.patch, HADOOP-2027-10.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
>
>
> 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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