Re: BUG #4575: All page cache in shared_buffers pinned (duplicated by OS, always) - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #4575: All page cache in shared_buffers pinned (duplicated by OS, always)
Date
Msg-id 6296.1229003864@sss.pgh.pa.us
Whole thread Raw
In response to BUG #4575: All page cache in shared_buffers pinned (duplicated by OS, always)  ("Scott Carey" <scott@richrelevance.com>)
Responses Re: BUG #4575: All page cache in shared_buffers pinned (duplicated by OS, always)  (Scott Carey <scott@richrelevance.com>)
List pgsql-bugs
"Scott Carey" <scott@richrelevance.com> writes:
> I have determined that nearly every cached page within shared_buffers is
> being pinned in memory, preventing the OS from dropping any such pages from
> its page cache.

Shouldn't you be complaining to kernel folk rather than here?
What do you think we could do about it?

(I'm not convinced that you're seeing anything except a
platform-specific vagary in how "top" counts things, anyway.)

            regards, tom lane

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