Hi Frank,
Sure point taken, would take iterative methods first with 8 and then 16.
Have started with 30 processes and from db2top i see the below stats.
Memory Memory Percent Current High Percent Maximum # of
Type Level Pool Total Size WaterMark Max Size Pool(s)
----------- ---------- -------------------- ------- ------------ ------------ ------- ------------ -------
Instance DB2EP1 Monitor 0.08% 82.0M 82.3M 21866.67% 384.0K 1
Instance DB2EP1 FCMBP 0.00% 832.0K 832.0K 100.00% 832.0K 1
Instance DB2EP1 Other 0.25% 267.0M 271.6M 279.58% 95.5M 1
Database EP1 Applications 0.12% 130.7M 160.1M 24.67% 530.0M 530
Database EP1 Database 0.88% 946.0M 949.5M 470.39% 201.1M 1
Database EP1 Lock Mgr 2.33% 2.4G 2.4G 100.00% 2.4G 1
Database EP1 Utility 0.31% 337.0M 354.1M 172.58% 195.3M 1
Database EP1 Package Cache 0.53% 572.0M 648.8M 108.45% 527.5M 1
Database EP1 Catalog Cache 0.02% 21.3M 21.6M 213.75% 10.0M 1
Database EP1 Other 0.00% 192.0K 192.0K 0.94% 20.0M 1
Database EP1 BufferPool 94.88% 100.1G 100.1G 100.00% 100.1G 5
Database EP1 SharedSort 0.00% 2.2M 2.0G 0.05% 4.4G 1
Database EP1 ApplShrHeap 0.04% 45.6M 151.1M 58.40% 78.1M 1
Application EP1 Applications 0.12% 130.7M 160.1M 24.67% 530.0M 530
Application EP1 Other 0.44% 475.4M 549.3M 0.00% 103.5T 530
from topas and vmstat i dont see waits and cpu percentage being high.