Hans Zeller created TRAFODION-2625:
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Summary: Memory leak in emitRow() in table-mapping UDFs
Key: TRAFODION-2625
URL: https://issues.apache.org/jira/browse/TRAFODION-2625
Project: Apache Trafodion
Issue Type: Bug
Components: sql-exe
Affects Versions: 2.0-incubating
Reporter: Hans Zeller
Assignee: Hans Zeller
Fix For: 2.2-incubating
When running a TMUDF that returns very many rows, I am seeing the memory
consumption of the UDF grow by a very large amount, proportional to the number
of emitRow() calls it makes.
>From debugging I see that a call to IpcBufferedMsgStream::cleanupBuffers() is
>missing in function PerformWaitedReplyToClient(). For small UDFs this is
>probably not so much an issue, since the cleanup method gets invoked at a
>later point, but for very large UDFs, all the reply buffers stay allocated
>until the UDF finishes.
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