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From "Parth Chandra (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-4800) Improve parquet reader performance
Date Fri, 05 Aug 2016 17:26:20 GMT

    [ https://issues.apache.org/jira/browse/DRILL-4800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15409753#comment-15409753

Parth Chandra commented on DRILL-4800:

Updated the doc to include more configurable options and metrics based on feedback. Added
an open item to improve operator stats to handle the proposed changes.

> Improve parquet reader performance
> ----------------------------------
>                 Key: DRILL-4800
>                 URL: https://issues.apache.org/jira/browse/DRILL-4800
>             Project: Apache Drill
>          Issue Type: Improvement
>            Reporter: Parth Chandra
>            Assignee: Parth Chandra
> Reported by a user in the field - 
> We're generally getting read speeds of about 100-150 MB/s/node on PARQUET scan operator.
This seems a little low given the number of drives on the node - 24. We're looking for options
we can improve the performance of this operator as most of our queries are I/O bound. 

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