Monday, July 26, 2010

Processes

Oracle Instance Management - Processes

-(SMON) System Monitor : Crash recovery

-(PMON) Process Monitor : Clean up resources

-(DBWn)  Database Writer : Write buffer cache to database file

-(CKPT)  Write the latest checkpoint to data file header and control files

-(LGWR) Write the log buffers to redo log files on disc. In RAC, each RAC has its own
LGWR process

-(ARCH) Writes filled redo logs to archive log locations.

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