DB2 for z/OS Buffer Pool Enlargement is NOT Just an Elapsed Time Thing
Robert's Db2
JULY 16, 2014
A couple of weeks ago, I got a question from a mainframe DB2 DBA about the impact of DB2 buffer pool enlargement on application and system performance. This individual had requested an increase in the size of a buffer pool on his system, and the system administration team had agreed to implement the change; however, one of the system administrators told the DBA that while the larger buffer pool would improve elapsed times for application processes accessing objects assigned to the pool, no CPU e
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