Oracle Internet Directory 11.1.1.9: Large Number of BaseNamedObjects\{Number} Mutant Objects are Generated when Starting Up OID on Windows and It May Cause Performance Issue

(Doc ID 2395279.1)

Last updated on MAY 07, 2018

Applies to:

Oracle Internet Directory - Version 11.1.1.9.0 and later
Information in this document applies to any platform.

Symptoms

Large number of BaseNamedObjects\{Number} mutant objects are generated on Windows when starting up OID if the server entry cache is enabled.

These BaseNamedObjects mutant objects can be observed by WinObj tool. Run WinObj and select BaseNamedObjects in left tree pane:

The behavior that OID processes handle a lot of objects can be observed by Process Explorer tool. "View -> Select Columns -> Process Performance -> Handle Count" shows the number of handling objects for each processes. "View -> Lower Pane View -> Handles" shows handling object list for each
processes:

It is reported that the machine slows down the performance significantly when using Microsoft System Center Management during running OID.

* The above Windows tools can be downloaded in Microsoft Windows Sysinternals web site:
WinObj ... https://technet.microsoft.com/en-us/sysinternals/winobj.aspx
Process Explorer ... https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer

Changes

The server entry cache is enabled by setting orclecacheenabled attribute to "1" or "2".

Cause

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