DB2 for z/OS: Something You Might Not Know About Large Page Frames in a Post-DB2 10 Environment

I well remember the first time I saw it. August, 2016. I was looking at output from the DB2 for z/OS command -DISPLAY BUFFERPOOL(ACTIVE) DETAIL, issued on a DB2 11 system, that a client had sent to me for review. I appreciated the fact that I could see in this command output information about DB2's use of large real storage page frames for page-fixed buffer pools (in a DB2 10 environment, one had to issue -DISPLAY BUFFERPOOL — for an individual pool, versus for all active pools — with an odd …read more