DB2® Version 8: The Official Guide

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Chapter 9. Miscellaneous Performance Enhancements

There are multiple minor enhancements in DB2 UDB v8.1 that help performance. In this chapter we will discuss:

Distributed Catalog Cache
Prefetching Enhancements with Block-Based Buffer Pools
Page Cleaner I/O Improvements
Multithreading of Java-Based Routines
64-bit Support
Automatic Relationship and Association Management (ARAM)
New Join Variations
Increased Opportunity for Selection of Bit-Filters

These features don't each warrant their own chapter, but, we cover them each here.

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