Export Fails With ORA-4031...1207992352 bytes of shared memory ("shared pool",...,"qmxlu subheap","qmemNextBuf:Large Alloc") (Doc ID 1327526.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.

Symptoms

The following symptoms have been attributed to this issue :-

1. EXP or EXPDP based export fails and following error is seen in alert log:

ORA-04031: unable to allocate 1207992352 bytes of shared memory ("shared pool","XDbD/PLZ01TcHgNAgAIIegtw==","qmxlu subheap","qmemNextBuf:Large Alloc")
ORA-04031: unable to allocate 1207992352 bytes of shared memory ("shared pool","XDbD/PLZ01TcHgNAgAIIegtw==","qmxlu subheap","qmemNextBuf:Large Alloc")


The error is reproducible in a controlled manner and is also seen even after a database stop/start has been done.

2. The number of bytes reported is exactly 1207992352 bytes

Cause

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