Poor Performance on (G)V$AQ, (G)V$AQ1 And Fixed Table SYS.X$KWQSI For Databases 9i And 10g (Doc ID 1097196.1)

Last updated on MAY 08, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: 9.2.0.1 to 10.2.0.5.0 - Release: 9.2 to 10.2
Information in this document applies to any platform.

Symptoms

When using any of these objects to retrieve information from Advanced Queue messages, the performance is really slow, taking sometimes hours to complete when using any version of 9i and 10g Databases:

V$AQ
V$AQ1

Or their correspondents global views:

GV$AQ
GV$AQ1

And for fixed RDBMS dictionary table  sys.X$KWQSI

Changes

The volume of messages have increased.

Cause

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