Re: cache limit

[YoshiyaETO]

> On Wed, 27 Aug 2003 02:45:12 -0700, William Lee Irwin III wrote:
> >> How do you know it would be effective? Have you written a patch to
> >> limit it in some way and tried running it?
>
> On Wed, Aug 27, 2003 at 08:14:12PM +0900, Takao Indoh wrote:
> > It's just my guess. You mean that "index cache" is on the pagecache?
> > "index cache" is allocated in the user space by malloc,
> > so I think it is not on the pagecache.
>
> That will be in the pagecache.

    No. DBMS usually uses DIRECTIO that bypass the pagecache.
So, "index caches" in the DBMS user space will not be in pagecache.

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