Articles & Content
Topic: 2005 EU
Subtopic: DB2 for LUW
DATE: 2005-10-25 (09:45 - 10:45)
SPEAKERS: Christian Garcia-Arellano (IBM Canada)
When tuning database memory parameters online, care is required to avoid undesirable behaviour. This talk discusses DB2ís memory model and the internal mechanisms involved in online memory tuning. We then illustrate how reckless online tuning can cause plan changes, catalog table contention and reduced throughput. Finally we outline some techniques which will avoid unexpected and undesired behaviour when tuning online.
EXP. LEVEL: Intermediate,Advanced
DB2ís memory model from the inside out
Memory parameters that can be tuned online
What happens inside DB2 when a memory parameter
How online memory tuning can cause strange behav
Techniques for safer online memory tuning
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