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Database slowness Release 11.2.0.1.0

edited Dec 22, 2014 10:00AM in Database Tuning (MOSC) 2 commentsAnswered

Dear Team

I am facing a database slowness on the production system every  month during 12-18 dates when user access activity is more using frontend application.

OS - IBM AIx 6.1 TL 6

Oracle :  11.2.0.1.0

following is the sga size

SQL> show sga

Total System Global Area 3423965184 bytes

Fixed Size                  2211584 bytes

Variable Size            1862271232 bytes

Database Buffers         1543503872 bytes

Redo Buffers               15978496 bytes

SQL>

initpkn.ora

----

pkn.__db_cache_size=1526726656

pkn.__java_pool_size=16777216

pkn.__large_pool_size=16777216

pkn.__oracle_base='/oracle'#ORACLE_BASE set from environment

pkn.__pga_aggregate_target=1375731712

pkn.__sga_target=2063597568

pkn.__shared_io_pool_size=0

pkn.__shared_pool_size=469762048

pkn.__streams_pool_size=0

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