Excessive Waits On The Event "Global transaction acquire instance locks" in AWR

(Doc ID 804426.1)

Last updated on APRIL 26, 2018

Applies to:

Oracle Server - Enterprise Edition - Version: to - Release: 11.1 to 11.1
Information in this document applies to any platform.


RAC database performance is slow.

The AWR, Top 5 wait event shows event : "Global transaction acquire ins".

Top 5 Timed Foreground Events
                               wait %       DB
Event Waits                    Time(s)      (ms)      
------------------------------ ------------ -----------
Global transaction acquire ins 162,962,601 1,866,261   



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