GZJ 1100006WMT Visits (1354)
Because of changes in the way DB2 10 calls Media Manager, a defect in media manager with the use of striped data sets was exposed: see APAR
*If you use striping and are at DB2 10, make sure this HIPER APAR is applied.
PM60732: INSERT SPACE SEARCH ENHANCEMENT, USING PREFETCH TO SCAN SPACE MAP PAGES DURING EXHAUSTIVE SEARCH
KevinHarrison 1000005N52 Visits (1209)
DB2 attempts to avoid the cost of an index pageset extend by first
Symptoms include high getpages and sync I/O's
The index space map search algorithm has been enhanced to utilize