March 2006
Intermediate to advanced
630 pages
14h 45m
English
book
DB2 Performance Expert for Multiplatforms V2.2, 2nd Edition
by Whei-Jen Chen, Ute Baumbach, Marcia Miskimen, Werner Wicke
Content preview from DB2 Performance Expert for Multiplatforms V2.2, 2nd Edition
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596 DB2 Performance Expert for Multiplatforms V2.2
If you want to see to what extent MQTs are used in total, open the Statistics
Details window and navigate to the Tables category. Select the check box at the
bottom to make PE retrieve and display table access statistics. Then, locate the
MQTs and compare their I/O statistics (in the Rows read column) with those of
the base tables to understand to what extent MQTs are used over base tables
(Figure C-68).
Figure C-68 Verifying MQT effectiveness
FCM tuning
Between partitions on different physical machines, the underlying transport
infrastructure for the table queues (see “Understanding statement ...
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