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Posted to common-issues@hadoop.apache.org by "Larry McCay (JIRA)" <ji...@apache.org> on 2014/02/21 16:55:19 UTC

[jira] [Created] (HADOOP-10357) Memory Leak in UserGroupInformation.doAs for JDBC Connection to Hive

Larry McCay created HADOOP-10357:
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             Summary: Memory Leak in UserGroupInformation.doAs for JDBC Connection to Hive
                 Key: HADOOP-10357
                 URL: https://issues.apache.org/jira/browse/HADOOP-10357
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 1.2.0
            Reporter: Larry McCay


When using UGI.doAs in order to make a connection there appears to be a memory leak involving the UGI that is used for the doAs and the UGI held by TUGIAssumingTransport.

When using this approach to establishing a JDBC connection in an environment that will serve many users and requests client side eventually runs out of memory.



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