From: | Neil Conway <neilc(at)samurai(dot)com> |
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To: | Jan Wieck <JanWieck(at)yahoo(dot)com> |
Cc: | Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Christopher Browne <cbbrowne(at)libertyrms(dot)info>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: cvs head? initdb? |
Date: | 2003-11-14 19:23:34 |
Message-ID: | 877k22kb49.fsf@mailbox.samurai.com |
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Lists: | pgsql-hackers |
Jan Wieck <JanWieck(at)yahoo(dot)com> writes:
> Robert Treat wrote:
>> people would always want to have those choices (especially for doing
>> development/testing/benchmarking between the different methods) the
>> question is is it worth the effort to give people those options?
To me, the question is whether it's worth the additional complexity
for users and administrators, and to a lesser extent the code
complexity. (I think the answer is "no")
> And in the case of the cache strategy, the point is that different
> access patterns might be served better by different strategies.
Granted -- but IMHO it would be better to concentrate on making sure
that ARC adapts to any access pattern so that the set of access
patterns where you _really want_ LRU is a small as possible, if not
empty.
-Neil
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