Re: Design notes for BufMgrLock rewrite

On Mon, 2005-02-21 at 18:01 -0500, Tom Lane wrote:
> Simon Riggs <simon@2ndquadrant.com> writes:
> > [I'm assuming that there are no system-wide locks held across I/Os, that
> > bit seems a bit unclear from the description]
> 
> That's always been true and still is, so I didn't dwell on it.  Only a
> per-buffer lock is held while doing either input or output.

[Me too, thats why its in brackets at the bottom.]

...but do you agree with my comments on the lack of scalability in cache
miss situations?

Best Regards, Simon Riggs