My Oracle Support Banner

High Waits on Enq: MF - Flush Space with Unified Auditing Configured (Doc ID 2550106.1)

Last updated on JANUARY 30, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

See high wait counts for enq: MF - flush space

AWR report shows high waits on enq: MF - flush space

Top 10 Foreground Events by Total Wait Time
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                                 Total Wait       Wait   % DB Wait
Event                                Waits Time (sec)    Avg(ms)   time Class
------------------------------ ----------- ---------- ---------- ------ --------
enq: MF - flush space               23,790     738.2K   31029.63   59.4 Other  <<<<======== High waits
DB CPU                                         416.8K              33.5
cell single block physical rea 2.19942E+08      75.1K       0.34    6.0 User I/O
cell list of blocks physical r   3,417,409     5533.8       1.62     .4 User I/O

 

 

 

The check on count of audit records shows high number of audit records generated each day.

 

 

 

Changes

 

Cause

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
Symptoms
Changes
Cause
Solution


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