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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3144) better fault tolerance for corrupted text files
Date Fri, 02 May 2008 01:31:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593692#action_12593692
] 

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

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12381276/3144-4.patch
against trunk revision 645773.

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

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

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

    javac +1.  The applied patch does not generate any new javac compiler 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/2362/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2362/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2362/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2362/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-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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