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Posted to issues@drill.apache.org by "Parth Chandra (JIRA)" <ji...@apache.org> on 2016/10/12 23:15:20 UTC
[jira] [Commented] (DRILL-4800) Improve parquet reader performance
[ https://issues.apache.org/jira/browse/DRILL-4800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15570177#comment-15570177 ]
Parth Chandra commented on DRILL-4800:
--------------------------------------
Submitted PR 611: https://github.com/apache/drill/pull/611
[~jaltekruse] Would you like to take a look?
Also added some documentation here on the configurable options here: https://github.com/parthchandra/drill/wiki/Parquet-file-reading-performance-improvement
I'll post some performance number in the next couple of days.
> 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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