MMON Trace File Growing Bigger (Doc ID 1992338.1)

Last updated on MARCH 27, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.

Symptoms

MMON trace may grow without any control due memory resize operations.

The mmon trace file will be growing beyound limits and resulting into unwanted trace generation in terms of several thousands of MB or even into more than 1 GB.

In one case, a customer even reported a size of more than 3 GB:

-rw-r----- 1 oracle oinstall 3528341200 Mar 4 03:58 lxoratim_mmon_30225.trc

 

Cause

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 hundreds of Community platforms