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https://issues.apache.org/jira/browse/HIVE-4248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-4248:
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Attachment: HIVE-4248.D9993.2.patch
omalley updated the revision "HIVE-4248 [jira] Implement a memory manager for
ORC".
- HIVE-4303 remove empty java files
Reviewers: JIRA
REVISION DETAIL
https://reviews.facebook.net/D9993
CHANGE SINCE LAST DIFF
https://reviews.facebook.net/D9993?vs=31305&id=31311#toc
AFFECTED FILES
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
metastore/src/java/org/apache/hadoop/hive/metastore/PartitionNameWhitelistPreEventListener.java
metastore/src/test/org/apache/hadoop/hive/metastore/TestPartitionNameWhitelistPreEventHook.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/MemoryManager.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcFile.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcOutputFormat.java
ql/src/java/org/apache/hadoop/hive/ql/io/orc/WriterImpl.java
ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestFileDump.java
ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestMemoryManager.java
ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestOrcFile.java
To: JIRA, omalley
> 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
> Attachments: HIVE-4248.D9993.1.patch, HIVE-4248.D9993.2.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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