Higher CPU usage

From: madunix <madunix_at_gmail.com>
Date: 14 Apr 2005 22:08:45 -0700
Message-ID: <1113541725.142089.79070@o13g2000cwo.googlegroups.com>

We have installed the patch 6 on AIX 5.1 RAC after the install the CPU went 90% of the system I checked with oracle i found the following in

Doc ID: Note:4074633.8
Subject: Bug 4074633 - AIX5L: Higher CPU usage in RAC background processes in 9.2.0.6
Type: PATCH
Status: PUBLISHED
Content Type: TEXT/X-HTML
Creation Date: 24-DEC-2004
Last Revision Date: 17-JAN-2005

Bug 4074633 AIX5L: Higher CPU usage in RAC background processes in 9.2.0.6
This note gives a brief overview of bug 4074633.

Description
This problem is introduced in 9.2.0.6 on AIX 5L .

RAC background processes such as LMON etc.. can consume much more CPU in 9.2.0.6 than in earlier releases with repeated poll() calls. This can make RAC startup and operation very slow.

What would you recommend to resolve this issue? pleases urgent! Received on Fri Apr 15 2005 - 00:08:45 CDT