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Posted to issues@drill.apache.org by "Aman Sinha (JIRA)" <ji...@apache.org> on 2015/10/02 04:30:26 UTC

[jira] [Commented] (DRILL-3887) Parquet metadata cache not being used

    [ https://issues.apache.org/jira/browse/DRILL-3887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940714#comment-14940714 ] 

Aman Sinha commented on DRILL-3887:
-----------------------------------

[~sphillips] I thought that [~mehant] discussed the change with you; is it related to the fileSet check or specifically the expansion of the directory ? This also raises the importance of having an easy way to test whether the metadata cache was used. 

> Parquet metadata cache not being used
> -------------------------------------
>
>                 Key: DRILL-3887
>                 URL: https://issues.apache.org/jira/browse/DRILL-3887
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Steven Phillips
>            Assignee: Steven Phillips
>            Priority: Critical
>
> The fix for DRILL-3788 causes a directory to be expanded to its list of files early in the query, and this change causes the ParquetGroupScan to no longer use the parquet metadata file, even when it is there.



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