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From "Venki Korukanti (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2252) Cancelling a fragment is not cleaning up RecordBatches
Date Sun, 15 Feb 2015 14:26:11 GMT
Venki Korukanti created DRILL-2252:
--------------------------------------

             Summary: Cancelling a fragment is not cleaning up RecordBatches
                 Key: DRILL-2252
                 URL: https://issues.apache.org/jira/browse/DRILL-2252
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow
            Reporter: Venki Korukanti
            Assignee: Venki Korukanti


Currently FragmentExecutor exits out of processing loop once a fragment is cancelled, but
it is not cleaning up the operators. This causes some operators to leak resources. For example
ScanBatch closes the currently open files as part of the cleanup, because of this bug now
it leaves some open files.

To repro:
Run a query that involves LIMIT in loop and observe the memory used by the Drillbit go up
consistently. 





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