- Page 1 and 2: Millsap’s Grand Unified Theory of
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- Page 10 and 11: So what's with the quotes?
- Page 12 and 13: We'll get to that shortly
- Page 14 and 15: There are two types of performance
- Page 16 and 17: 2
Inef3iciencies
that
are
- Page 18 and 19: G.U.T. proposition l You
must
b
- Page 20 and 21: Posting hurts. Fix it.
- Page 23 and 24: G.U.T. proposition 2 You
need
t
- Page 25 and 26: Posting takes 3 hours. It should ta
- Page 27 and 28: Because waste costs you money
- Page 29: And waste...
- Page 33 and 34: G.U.T. propositions You
must
be
- Page 35 and 36: In the beginning...
- Page 37 and 38: “Tuning” was...
- Page 40 and 41: People looked for “bad numbers”
- Page 42: But how can you know what causes a
- Page 46 and 47: How can you possibly KNOW that?
- Page 49: You (do( see it... Right?
- Page 53 and 54: Why not?
- Page 55 and 56: and utlbstat/utlestat, ...
- Page 57: And Even AWR, ...
- Page 63 and 64: example...
- Page 65 and 66: Latche s Resource consumption (seco
- Page 67 and 68: Latche s Resource consumption (seco
- Page 69 and 70: Latche s Resource consumption (seco
- Page 71 and 72: Sometimes You can't know
- Page 73 and 74: Latche s Resource consumption (seco
- Page 76 and 77: An epiphany...
- Page 79 and 80: Huh?
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Which is better?
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The rules in a lot of people's head
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Another man who knew this...
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tkprof
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It's what you need...
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And of course, “the problem is al
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1995 Oracle7
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Put this in a bottle.
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Millsap’s Grand Unified Theory of
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“Tuning” isn't good enough
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Tuning What we want Make some compo
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Tuning What we want Make some compo
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Tuning *** Optimization *** Make so
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Part 3: How
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2000 8i, 9i
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Repeatable Teachable
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There (were( methods...
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Oracle Performance Improvement Meth
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But there were Two big problems...
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*The OPIM Top Ten list 1. Bad conne
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*The OPIM Top Ten list 1. Bad conne
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...of a table that's missing some r
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An (index( into the problem you're
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+ =
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Latche s Resource consumption (seco
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Meanwhile, back at Oracle Corporati
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Active session history ...ASH
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Latche s Resource consumption (seco
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How it all fits...
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G.U.T. proposition l You
must
b
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Where does this task's time go?
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Who had my lock? Who had my latch?
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ASH
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trace data answers questions about
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Almost impossible to prove without
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...You can *sample* with traces, to
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How the data sources fit together..
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Thank you
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