Tuesday, May 3, 2011

Poor performance reported by user

we should follow the below steps.


- Check alert log, for any errors
- Check for archive log destination/file system full
- Check for database locks
- Check server performance (CPU/IO)
- Check network performance
- Check if statistics is up to date
- If new SQL, then tune SQL (maybe take trace)
- Check if any parameters have been modified recently
- Check if any new updates/changes as been done from the Application team

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