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We are looking into some performance issues so earlier I was looking at the STMM log on one of our servers for a bufferpool, below, and was wondering if there is a way to change the minimum size value. ... it would be really nice if we could force the bufferpools to a minimum value and prevent STMM from going below that value. 2009-07-08-10.27.59.603448-240 A123416A892 LEVEL: Event PID : 148218 TID : 1PROC : db2stmm (EOM1PAS2) 0 INSTANCE: db2v9i1 NODE : 000 DB : EOM1PAS2 APPHDL : 0-23 APPID: *LOCAL.DB2.090620033939 AUTHID : EOMREAD FUNCTION: DB2 UDB, Self tuning memory manager, stmmLogRecordBeforeResizes, probe:496 DATA #1 : String, 490 bytes *** stmmCostBenefitRecord *** Type: BUFFER POOL ( BF_EOM_32K ) PageSize: 32768 Saved Misses: 0 Benefit: -> Simulation size: 1024 -> Total seconds saved: 0 (+ 0 ns) -> Normalized seconds/page: 0 Cost: -> Simulation size: 1024 -> Total seconds saved: 0 (+ 0 ns)-> Normalized seconds/page: 0 Current Size: 1000 Minimum Size: 1000 Potential Increase Amount: 500 Potential Increase Amount From OS: 500 Potential Decrease Amount: 0 Pages Available For OS: 0 Interval Time: 240.099
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