DB2 UDB for z/OS Version 8 Performance Topics - IBM Redbooks

Summary of changes
This section describes the technical changes made in this update of the book. This update
may also include minor corrections and editorial changes that are not identified.
Summary of changes
for SG24-6465-00
for DB2 UDB for z/OS Version 8 Performance Topics
as created or updated on September 26, 2007.
April 2005, First Edition
The revisions of this First Edition, first published on April 11, 2005, reflect the changes and
additions described below.
April 2005, First Update
Changed information
► Figure 4-2 on page 132, corrected text from reocover to recover
► Figure 4-16 on page 181, corrected the direction of arrows
► Removed the non supported message DSNB360I from “Detecting long-running readers”
on page 207.
► Table 5-3 on page 254, corrected Elapsed % from +73% to +186%.
► Figure 5-7 on page 228, corrected title and caption from MB to GB.
► Removed an incorrect chart on Check Index on 10 partitions just before 6.1.2,
“Conclusion” on page 267.
► Figure 7-3 on page 289, corrected text in the title from 10,000 to 100,000
► Figure 7-9 on page 297, corrected TPCIP to TCP/IP
► Figure 7-18 on page 305, corrected tops to tps
Added information
► Added ITR definition under Figure 7-17 on page 303.
May 2005, Second Update
Changed information
► Clarified the CPU % regression on DRDA workloads in 2.1.6, “Compatibility mode” on
page 13.
► Clarified partition pruning in 5.5.1, “Partitioned table space without index” on page 247.
► Updated measurements and text for Table 5-3 and Table 5-4 on page 254 on NPI v. DPSI
queries.
► Corrected some text in 5.2, “Automated space management” on page 226 and updated
Figure 5-7 on page 228.
► Updated status of some APARs in Table A-1 on page 378 and Table A-2 on page 386.
© Copyright IBM Corp. 2005. All rights reserved. xxi