DB2 Virtual Storage - The Journey Continues
MartinPacker 11000094DH Visits (7144)
DB2 Version 8 introduced some very significant exploitation of 64-bit virtual storage. It would be naive to believe that was a total conversion to 64-bit and indeed installations' mileage varies, depending on circumstances. Here are two APARs that show the journey continues...
PK21268 MOVE CURRENT PATH STORAGE OUT OF STACK AND INTO ABOVE BAR
From the APAR Comments:
PK21237 VIRTUAL STORAGE CONSTRAINT RELIEF IN BUFFER MANAGEMENT
This provides relief in three areas, according to the APAR description...
Additionally, the default maximum for the number of engines has been reduced.
For both castout engines and P-lock engines, excess stack storage will now be released before suspending awaiting more work to do.