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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2027) FileSystem should provide byte ranges for file locations
Date Wed, 13 Feb 2008 23:11:08 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12568746#action_12568746
] 

Hadoop QA commented on HADOOP-2027:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12375528/HADOOP-2027-6.patch
against trunk revision 619744.

    @author +1.  The patch does not contain any @author tags.

    tests included +1.  The patch appears to include 33 new or modified tests.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac -1.  The applied patch generated 605 javac compiler warnings (more than the trunk's
current 603 warnings).

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1791/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1791/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1791/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1791/console

This message is automatically generated.

> 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-2027-2.patch, HADOOP-2027-3.patch, HADOOP-2027-4.patch,
HADOOP-2027-5.patch, HADOOP-2027-6.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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