Db2 9 for z/OS became generally available back in 2007. In the years since, most of the features introduced with Db2 9 have been broadly put to use. An interesting exception is the auto-sizing of buffer pools, implemented via the AUTOSIZE(YES) option of the -ALTER BUFFERPOOL command. Based on my experience, it seems that few Db2 for z/OS sites have gone with buffer pool auto-sizing. I find that a bit perplexing. In the Db2 for Linux/UNIX/Windows user community, a feature called self-tuning memory …read more


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