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https://issues.apache.org/jira/browse/HIVE-4421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13647660#comment-13647660
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Phabricator commented on HIVE-4421:
-----------------------------------
ashutoshc has accepted the revision "HIVE-4421 [jira] Improve memory usage by
ORC dictionaries".
+1 will commit if tests pass.
REVISION DETAIL
https://reviews.facebook.net/D10545
BRANCH
h-4421
ARCANIST PROJECT
hive
To: JIRA, ashutoshc, omalley
> Improve memory usage by ORC dictionaries
> ----------------------------------------
>
> Key: HIVE-4421
> URL: https://issues.apache.org/jira/browse/HIVE-4421
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.11.0
>
> Attachments: HIVE-4421.D10545.1.patch, HIVE-4421.D10545.2.patch,
> HIVE-4421.D10545.3.patch, HIVE-4421.D10545.4.patch
>
>
> Currently, for tables with many string columns, it is possible to
> significantly underestimate the memory used by the ORC dictionaries and cause
> the query to run out of memory in the task.
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