[ https://issues.apache.org/jira/browse/HIVE-4421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Phabricator updated HIVE-4421: ------------------------------ Attachment: HIVE-4421.D10545.4.patch omalley updated the revision "HIVE-4421 [jira] Improve memory usage by ORC dictionaries". Addressed Ashutosh's suggestions. Reviewers: ashutoshc, JIRA REVISION DETAIL https://reviews.facebook.net/D10545 CHANGE SINCE LAST DIFF https://reviews.facebook.net/D10545?vs=33219&id=33249#toc AFFECTED FILES ql/src/java/org/apache/hadoop/hive/ql/io/orc/DynamicByteArray.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/DynamicIntArray.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/MemoryManager.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/OutStream.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/PositionedOutputStream.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/RedBlackTree.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/StringRedBlackTree.java ql/src/java/org/apache/hadoop/hive/ql/io/orc/WriterImpl.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 ql/src/test/org/apache/hadoop/hive/ql/io/orc/TestStringRedBlackTree.java ql/src/test/resources/orc-file-dump.out 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira