My Oracle Support Banner

High CPU Usage on ts$ Query When Using 'Tablespace Group' as TEMP Tablespace (Doc ID 394381.1)

Last updated on SEPTEMBER 21, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.1 to 10.2
This problem can occur on any platform.


After the introduction of temporary tablespace groups following query using a lot of CPU and executed many times

select min(bitmapped) from ts$ where dflmaxext =:1 and bitand(flags, 1024) = 1024.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.