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https://issues.apache.org/jira/browse/HIVE-4248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14091872#comment-14091872
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Lefty Leverenz commented on HIVE-4248:
--------------------------------------
This added configuration parameter *hive.exec.orc.memory.pool* to HiveConf.java
in 0.11.0. It's documented in the wiki here:
* [Configuration Properties -- hive.exec.orc.memory.pool |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.exec.orc.memory.pool]
> Implement a memory manager for ORC
> ----------------------------------
>
> Key: HIVE-4248
> URL: https://issues.apache.org/jira/browse/HIVE-4248
> Project: Hive
> Issue Type: New Feature
> Components: Serializers/Deserializers
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.11.0
>
> Attachments: HIVE-4248.D9993.1.patch, HIVE-4248.D9993.2.patch,
> HIVE-4248.D9993.4.patch
>
>
> With the large default stripe size (256MB) and dynamic partitions, it is
> quite easy for users to run out of memory when writing ORC files. We probably
> need a solution that keeps track of the total number of concurrent ORC
> writers and divides the available heap space between them.
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