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Hudson commented on HIVE-3809: ------------------------------ Integrated in Hive-trunk-hadoop2 #54 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/54/]) HIVE-3809 : Concurrency issue in RCFile: multiple threads can use the same decompressor (Mikhail Bautin via Ashutosh Chauhan) (Revision 1426524) Result = ABORTED hashutosh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1426524 Files : * /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/RCFile.java > Concurrency issue in RCFile: multiple threads can use the same decompressor > --------------------------------------------------------------------------- > > Key: HIVE-3809 > URL: https://issues.apache.org/jira/browse/HIVE-3809 > Project: Hive > Issue Type: Bug > Reporter: Mikhail Bautin > Assignee: Mikhail Bautin > Priority: Critical > Fix For: 0.11.0 > > Attachments: > 0001-HIVE-3809-Concurrency-issue-in-RCFile-multiple-threa.patch, > 0001-HIVE-3809-Decompressors-should-only-be-returned-to-t.patch, D7419.1.patch > > > RCFile is not thread-safe, even if each reader is only used by one thread as > intended, because it is possible to return decompressors to the pool multiple > times by calling close on the reader multiple times. Then, different threads > can pick up the same decompressor twice from the pool, resulting in > decompression failures. -- 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