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DS8800 Performance Monitoring and Tuning
book

DS8800 Performance Monitoring and Tuning

by Gero Schmidt, Bertrand Dufrasne, Jana Jamsek, Peter Kimmel, Hiroaki Matsuno, Flavio Morais, Lindsay Oxenham, Antonio Rainero, Denis Senin
July 2012
Intermediate to advanced content levelIntermediate to advanced
726 pages
26h 28m
English
IBM Redbooks
Content preview from DS8800 Performance Monitoring and Tuning
Chapter 5. Understanding your workload 163
The enhanced prefetch cache algorithms, together with the high storage back-end bandwidth,
provide high subsystem throughput and high transaction rates for database transaction-based
workloads.
A database can benefit from using a large amount of server memory for the large buffer pool.
For example, the database large buffer pool, when managed properly, can avoid a large
percentage of the accesses to disk. Depending on the application and the size of the buffer
pool, this large buffer pool can translate poor cache hit ratios into
synchronous reads in
DB2. You can spread data across several RAID arrays ...
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Publisher Resources

ISBN: 0738436836Purchase book