Hi,
I found that the manual page for pg_buffercache module explains
"usagecount" as "Page LRU count".
http://www.postgresql.org/docs/devel/static/pgbuffercache.html
However, AFAIK, "usagecount" is not a LRU count nowadays, because
LRU is no longer used for the buffer management algorithm.
I thi
On Fri, Nov 23, 2012 at 04:26:48PM -0800, Jeff Janes wrote:
> On Fri, Nov 23, 2012 at 3:42 PM, Bruce Momjian wrote:
> >
> > We don't assume people are reading docs from very old versions.
> >
>
> Even if that is the version they are using? It is, after all, still
> under maintenance,
There are
On Wed, Nov 21, 2012 at 10:09:15AM -0800, Jeff Janes wrote:
> Based on Jürgen Fuchsberger's experience described on the general
> list, I think the following should have been back-patched to 8.4 and
> 8.3 (assuming it gets a minor update before it EOL) as well, not just
> 9.0.
>
> In particular, i
Based on Jürgen Fuchsberger's experience described on the general
list, I think the following should have been back-patched to 8.4 and
8.3 (assuming it gets a minor update before it EOL) as well, not just
9.0.
In particular, in 8.4 chapter 24.4.5 it says "it will be up to you to
determine how far
