6Where is PeopleSoft Ping? DERIVED_PTP.HTMLCTLEVENT.FieldChangeEach ping saves the results from the previous ping to the databasePS_PTP_TST_CASESCan get basic Ping graphs from PeopleSoftCan’t control scaleI prefer to use Excel
12Case 1: Desktop Specification 384Mhz PC, 64Mb physical memoryWindows Commit Charge 125MbIt’s paging memory to/from diskWith PS Ping running on PC, shut down everything else (virus checking etc).Commit Charge reduced to 89MbResponse time fell from 0.8s to 0.4s
13Case 1: Conclusion Paging memory from disk is slow General Windows performance affectedIncluding the browserMake sure that you have enough physical memory in your desktopsThe web browser is a critical business platformIt’s not just for surfing
16Case 2: Conclusion Application server is CPU intensive If active and not waiting for the database, it is using CPU to execute PeopleCode etc.Fewer faster –v- More slower CPUs?CPU speed is criticalWhen executing in user mode, a clock cycle is a clock cycle is a clock cycle?
17Conclusion Ping is not a fundamental indicator of system performance. It does indicate:contention in a particular tier.CPU performance of Application ServerPerformance of Browser