18.11.2012 Views

Understanding Buffer Pool Performance and Tuning in DB2 UDB v8.1

Understanding Buffer Pool Performance and Tuning in DB2 UDB v8.1

Understanding Buffer Pool Performance and Tuning in DB2 UDB v8.1

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Agenda<br />

� <strong>Buffer</strong> pool overview<br />

� <strong>Buffer</strong> pool management<br />

� Collect<strong>in</strong>g performance metrics<br />

� <strong>Buffer</strong> pool effectiveness criteria<br />

– Physical vs. logical IO<br />

– Asynchronous vs. synchronous IO<br />

– Page cleaner tun<strong>in</strong>g<br />

� <strong>Tun<strong>in</strong>g</strong> with Quest Central (live demo)<br />

� Open forum

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