z/OS services

The monitors listed in the following table measure z/OS activities that might affect DB2 performance.

Monitor	Title	View name	Description, Parameters, Warning
CSAPG	CSA Paging	DCSAPG	Reports the total number of page requests to the common storage area (CSA) during the sampling period Parameters: none Warning DS0540W (nn) hh:mm:ss CSA PAGING(TOTAL) = v IN x intrvl (>thrshld)
CSAP	CSA Percentage of Utilization	DCSAP	Reports the percent usage of CSA during the sampling period, calculated with the following formula: 100 × [(Total CSA) - (Space described by FBQEs in CSA)] -------------------------------------------------- (Total CSA) Parameters: none Warning DS0550W (nn) hh:mm:ss CSA % UTILIZATION(TOTAL) = v (>thrshld)
DB2DP	Demand Paging	DDB2DP	Reports the number of page-in requests for the z/OS image or by the specified address spaces listed below: IMS Resource Lock Manager address space DB2 System Service address space DB2 Database Service address space DDF address space plus the three address spaces listed above DDF address space only Total page-in requests for the z/OS image Parameters: [IRLM\|SSAS\|DBAS\|SPAS\|DB2\| DDF] Warning DS0530W (nn) hh:mm:ss DEMAND PAGING(parm) = v IN x intrvl (>thrshld)
ECSAP	Extended CSA Percentage of Utilization	DECSAP	Reports the extended CSA percent usage during the sampling interval, calculated with the following formula: 100×[(Total ECSA)-(Space described by FBQEs in ECSA)] -------------------------------------------------- (Total ECSA) Parameters: none Warning DS0560W (nn) hh:mm:ss ECSA % UTILIZATION(TOTAL) = v (>thrshld)

On this page