How to Hanganalyze and systemstate dumps

Source: Internet
Author: User

Oracle Support Request Hang analyst and System state dumps when rasing SR.

One 10.1 or higher versions login as

Sqlplus-prelim/as SYSDBA
To do a hanganalyze

Oradebug Setmypid;
Oradebug Unlimit;
Oradebug Hanganalyze 3;
Wait 60–90 seconds and run the last command again to identify the process state changes.

To get a systemstate dump

Oradebug Setmypid;
Oradebug Unlimit;
Oradebug dump systemstate 266;
Wait 60–90 seconds and run again to identify the system state changes.
If It is taking too long then cancel and run with level 258.

One a cluster environment use

Oradebug-g All Hanganalyze 3
For Hang Analyze

Oradebug-g all dump systemstate 266
For System state dumps.

Oradebug Tracefile_name
Get dump trace file path

How to Hanganalyze and systemstate dumps

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