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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3144) better fault tolerance for corrupted text files
Date Tue, 06 May 2008 02:31:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12594446#action_12594446
] 

Hadoop QA commented on HADOOP-3144:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12381468/3144-6.patch
  against trunk revision 653638.

    +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/2402/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2402/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2402/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2402/console

This message is automatically generated.

> better fault tolerance for corrupted text files
> -----------------------------------------------
>
>                 Key: HADOOP-3144
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3144
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.15.3
>            Reporter: Joydeep Sen Sarma
>            Assignee: Zheng Shao
>         Attachments: 3144-4.patch, 3144-5.patch, 3144-6.patch, 3144-ignore-spaces-2.patch,
3144-ignore-spaces-3.patch
>
>
> every once in a while - we encounter corrupted text files (corrupted at source prior
to copying into hadoop). inevitably - some of the data looks like a really really long line
and hadoop trips over trying to stuff it into an in memory object and gets outofmem error.
Code looks same way in trunk as well .. 
> so looking for an option to the textinputformat (and like) to ignore long lines. ideally
- we would just skip errant lines above a certain size limit.

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