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A13 - DB2 Buffer Priming: A Technique to Reduce IO Wait

Topic: 2013 NA

Subtopic: DB2 for z/OS



How often are you faced with long-running batch jobs, only to determine that 75% of the run time was IO wait? Priorities prohibit database design or program changes and the Buffers are as big as they are going to get. Executives do not want to hear that it is a ‘limit of technology’. We reduced IO wait by 50% using a unique technique that anyone could use. In one day, you can reduce one hour of IO wait to 30 minutes.



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