Sometimes, a change in the way Db2 for z/OS manages its resources is introduced, and the change “flies under the radar” (i.e, it escapes the notice of most Db2 users) because it is relatively small in terms of scope and impact and is not widely highlighted in the product documentation, and it delivers the intended benefit (e.g., enhances CPU efficiency for data access) and no one thinks about it — BUT, it may have a consequence that pops up in a surprising way, causing, initially, some …read more
Db2 for z/OS Buffer Pools: Index Root Pages and the Data Management Threshold
