Re: Syscaches should store negative entries, too - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Syscaches should store negative entries, too
Date
Msg-id 23517.1012405585@sss.pgh.pa.us
Whole thread Raw
In response to Re: Syscaches should store negative entries, too  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-hackers
Hannu Krosing <hannu@krosing.net> writes:
> Are there _any_ tests where it does start to drop stuff ?

> In other words - is the stuff-dropping part tested reasonably recently
> (or at all) ?

Good point.  The drop mechanism is exercised well enough as driven by
shared-cache-invalidation cases, but the case where it's driven by cache
entry count isn't getting tested.

> In other words we should cache Frequently Asked Questions and not
> Frequently Found Answers ;)

Right ;-)
        regards, tom lane


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