Database Tuning (MOSC)

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background process MZnn / ACTION: Execute Stats Advisor auto task action

in Database Tuning (MOSC) 3 comments

The following process appears very often in history V$ACTIVE_SESSION_HISTORY :

PROGRAM: oracle@server (MZ00)

MODULE: MMON_SLAVE

ACTION: Execute Stats Advisor auto task action

That means based on the following reference :

Name: MZnn

Expanded Name: Dedicated MMON Slave Processe

Description :

MZnn is a dedicated process for a single MMON slave action. It performs manageability tasks dispatched by MMON, which include taking Automatic Workload Repository snapshots and performing Automatic Database Diagnostic Monitor analysis.


my questions :

the process requires sometimes a lot of temporary tablespace.

is there a possiblilty to disable the background process MZnn ?

what does "ACTION: Execute Stats Advisor auto task action" exactly mean ? I can't find any information about this. and "ACTION: Execute Stats Advisor auto task action" is a part of Automatic Workload Repository (AWR) , right ?

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