Guided SR: Out Of Memory Errors (Doc ID 1547014.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.

Symptoms

The following error is raised on the Streams pool when using the Oracle Messaging Gateway:

ORA-04031: unable to allocate 152 bytes of shared memory ("streams pool","unknown object","streams pool","KWQDL hash ta")

Analysis of the generated trace file shows a large allocation of the "KWQDL hash ta" heap and hardly any free space in the pool.

Cause

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