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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6546) BloomMapFile can return false negatives
Date Mon, 08 Feb 2010 21:19:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12831127#action_12831127
] 

Hadoop QA commented on HADOOP-6546:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12435190/HADOOP-6546.patch
  against trunk revision 907549.

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

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

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/345/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/345/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/345/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/345/console

This message is automatically generated.

> BloomMapFile can return false negatives
> ---------------------------------------
>
>                 Key: HADOOP-6546
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6546
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.20.1
>            Reporter: Clark Jefcoat
>         Attachments: HADOOP-6546.patch
>
>
> BloomMapFile can return false negatives when using keys of varying sizes.  If the amount
of data written by the write() method of your key class differs between instance of your key,
your BloomMapFile may return false negatives.

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