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https://issues.apache.org/jira/browse/DRILL-2577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14494222#comment-14494222
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Deneche A. Hakim commented on DRILL-2577:
-----------------------------------------
LGTM +1
You may want to change the name of the file created by the unit test to avoid
any possibility of name clash between tests running in parallel (we've had a
good number of those in the past few weeks). Adding {{_test_parquet_scan}} to
the file name should be enough.
> Parquet scan fails when directory contains _SUCCESS or _logs
> ------------------------------------------------------------
>
> Key: DRILL-2577
> URL: https://issues.apache.org/jira/browse/DRILL-2577
> Project: Apache Drill
> Issue Type: New Feature
> Components: Storage - Parquet
> Affects Versions: 0.8.0
> Reporter: Steven Phillips
> Assignee: Deneche A. Hakim
> Fix For: 0.9.0
>
> Attachments: DRILL-2577.patch
>
>
> _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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