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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3144) better fault tolerance for corrupted text files
Date Mon, 07 Apr 2008 06:22:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586249#action_12586249
] 

dhruba borthakur commented on HADOOP-3144:
------------------------------------------

Hi Zheng, I see that there are many changes in the patch that are changes only in whitespace
characters. This makes the patch longer and is harder to review. Will it be possible for you
to re-submit this patch with whitespace-only changes to lines removed? thanks.

> 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.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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