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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-5345) Operator::close() leaks Operator::out, holding reference to buffers
Date Mon, 23 Sep 2013 19:12:02 GMT
Gopal V created HIVE-5345:
-----------------------------

             Summary: Operator::close() leaks Operator::out, holding reference to buffers
                 Key: HIVE-5345
                 URL: https://issues.apache.org/jira/browse/HIVE-5345
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 0.13.0
         Environment: Ubuntu, LXC, jdk6-x86_64
            Reporter: Gopal V
            Assignee: Gopal V
         Attachments: out-leak.png

When processing multiple splits on the same operator pipeline, the output collector in Operator
has a held reference, which causes issues.

Operator::close() does not de-reference the OutputCollector object Operator::out held by the
object.

This means that trying to allocate space for a new OutputCollector causes an OOM because the
old one is still reachable.

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