My Oracle Support Banner

OWB 11g Control Center Service Hanging During OWB ETL Processing With Mutex Waits (Doc ID 1316495.1)

Last updated on NOVEMBER 09, 2018

Applies to:

Oracle Warehouse Builder - Version and later
Information in this document applies to any platform.
These errors are usually found on RAC (Real Application Clusters) systems but can be found in single server environments.


Slow running OWB ETL processing.

Running the AWR reveals:

Top 5 Timed Foreground Events
Event waitsTime(ms)(ms)Avg wait % DB timewait class
DB CPU 9,967 56.6      
cursor: mutex S 12,508,473 2,607 0 14.8 Concurrence
direct path read 106,521 2,498 23 14.2 User I/O
library cache lock 34,980 610 17 3.5 Concurrence
direct path read temp 22,933 198 9 1.1 User I/O




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

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

In this Document

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