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Listener Leaking Memory And High CPU Utilization on Oracle 9.2.0.8 (Doc ID 557397.1)

Last updated on JANUARY 11, 2018

Applies to:

Oracle Net Services - Version 9.2.0.8 to 9.2.0.8 [Release 9.2]
Information in this document applies to any platform.
This issue is limited to version 9.2.0.8 and is still relevant as of 30-SEP-2011.



Symptoms

+  The tnslsnr process may leak small amounts of memory for every incoming connection.

+  The leak is small and my go unnoticed for some time unless the rate of connections is very high.

+ You may also observe higher than normal CPU utilization and some performance issues.

+ You may also observe TNS-12634: Memory allocation failed error in listener.log file.

Changes

The problem might manifest after the application of the 9.2.0.8 patchset.

Cause

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