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Posted to common-issues@hadoop.apache.org by "Steven Phillips (JIRA)" <ji...@apache.org> on 2015/03/26 02:33:52 UTC

[jira] [Commented] (HADOOP-11751) Parquet scan fails when directory contains _SUCCESS or _logs

    [ https://issues.apache.org/jira/browse/HADOOP-11751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381189#comment-14381189 ] 

Steven Phillips commented on HADOOP-11751:
------------------------------------------

Sorry, this accidently went to the wrong project.

> Parquet scan fails when directory contains _SUCCESS or _logs
> ------------------------------------------------------------
>
>                 Key: HADOOP-11751
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11751
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Steven Phillips
>            Assignee: Steven Phillips
>
> _SUCCESS and _logs are often created from map reduce jobs, and typically ignored. This is commonly done using the OutputFilesFilter in hadoop.
> The new FooterGatherer class, which is used to read parquet footers in parallel, does not use this filter. So it attempts to read these as parquet files and fails.
> The fix is to use the DrillPathFilter, which extends OutputFilesFilter, in the FooterGather code.



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