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Posted to dev@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2012/07/22 21:08:34 UTC
[jira] [Commented] (HIVE-3153) Release codecs and output streams
between flushes of RCFile
[ https://issues.apache.org/jira/browse/HIVE-3153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13420273#comment-13420273 ]
Ashutosh Chauhan commented on HIVE-3153:
----------------------------------------
@Owen,
Can you create a phabricator review request for it?
> Release codecs and output streams between flushes of RCFile
> -----------------------------------------------------------
>
> Key: HIVE-3153
> URL: https://issues.apache.org/jira/browse/HIVE-3153
> Project: Hive
> Issue Type: Improvement
> Components: Compression
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: hive-3153.patch
>
>
> Currently, RCFile writer holds a compression codec per a file and a compression output stream per a column. Especially for queries that use dynamic partitions this quickly consumes a lot of memory.
> I'd like flushRecords to get a codec from the pool and create the compression output stream in flushRecords.
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