Defining the VSAM buffer pools
Use the CICS® VR VSAM buffer pools
secondary window to tune
your CICS® VR
run by changing the number of buffers in the VSAM buffer pools.
If you selected VSAM buffer pools from the CICS® VR
forward recovery
secondary window, shown in Entering recovery parameters,
the CICS® VR
VSAM buffer pools
secondary window is displayed.
CICSVR VSAM buffer pools Row 1 to 10 of 11 For LSR, enable or disable Automatic LSR buffers. If disable, specify the number of LSR buffers or leave all fields blank for NSR. Then press Enter. Automatic LSR buffers ===> YES Number of buffers Pool size ________ B512 ________ B1K ________ B2K ________ B4K ________ B8K ________ B12K ________ B16K ________ B20K ________ B24K ________ B28K Command ===> __________________________________________________________________ F1=Help F5=GetDef F6=SaveDef F7=Bkwd F8=Fwd F10=AutoNO F11=AutoYES F12=Cancel
When you first enter this secondary window, the CICS® VR default
values are displayed. Press F5 to obtain the default values from the RCDS.
Press F6 to save the currently displayed values; the CICS® VR Default
update verification
secondary window opens. Press F10 if you do not want
to use the automatic calculation of LSR buffers option; press F11 to use this
option.
Recommendation: For more efficient recovery jobs, use automatic LSR buffers. For more detailed information about automatic LSR buffers, see BLDVRP: Build the VSAM resource poolCICS® VR Implementation Guide and Reference.
For detailed help information about any of these fields, move the cursor to the field and press F1.