Re: [v9.1] sepgsql - userspace access vector cache

From: Yeb Havinga <yebhavinga(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp>, PgHacker <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [v9.1] sepgsql - userspace access vector cache
Date: 2011-07-20 16:00:28
Message-ID: 4E26FB9C.9050901@gmail.com
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On 2011-07-20 16:54, Robert Haas wrote:
>
> As to the first point, the other big problem with adding a syscache
> here is that it could get really big. I've worried about that issue
> previously, and Yev's perplexity about where the memory is going is
> not too reassuring.
Yeah I just realized that #buckets <> cache items stored, which makes
some of the comments I made a bit strange. If the syscaches store
everything that's looked up then the same 5MB memory usage under
changing #buckets makes perfect sense.

regards,
Yeb

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