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Allow better monitoring of DB2 Thread/Connection types
Currently there are various ZPARMs to "control" thread management (CTHREAD,MAXDBAT,CONDBAT,IDFORE,IDBACK,etc). These ZPARMS are upper bound limits of the number of each type of thread/connection that DB2 is configured with. There is very little in place to allow for the active management of these thresholds. At best, you can display DDF DETAIL and get some "current" numbers and the system provides a message when you reach a certain percentage (like 80% or 90%) of some of these setting and/or there is a high water mark kept for some of these settings. This does not provide for monitoring and trending of these resources. For example, the high water mark for IDBACK is only reset when DB2 is bounced, in today's continuous availability world, that could be many months; QUEDBAT is an ever rolling counter and does not show what you really want to know which is how deep the queue got. More granularity is needed. We need to be able to chart/monitor the the ebs and flow of these resources over time to identify peeks and be able to set these parameters more intelligently and plan accordingly.
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