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Re: seq scan cache vs. index cache smackdown - Mailing list pgsql-performance

From Tom Lane
Subject Re: seq scan cache vs. index cache smackdown
Date
Msg-id 14042.1108490119@sss.pgh.pa.us
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In response to Re: seq scan cache vs. index cache smackdown  (Josh Berkus <josh@agliodbs.com>)
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Josh Berkus <josh@agliodbs.com> writes:
> Why is mmap not workable?

We can't control write order.  There are other equally bad problems,
but that one alone eliminates it from consideration.  See past discussions.

            regards, tom lane

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