Horton

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

Yeb Havinga <yebhavinga@gmail.com>

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From: Yeb Havinga <yebhavinga@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Kohei KaiGai <kaigai@kaigai.gr.jp>, PgHacker <pgsql-hackers@postgresql.org>
Date: 2011-07-20T16:00:28Z
Lists: pgsql-hackers

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  1. Remove the limit on the number of entries allowed in catcaches, and

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