From: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
---|---|
To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Gregory Smith <gregsmithpgsql(at)gmail(dot)com> |
Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Scaling shared buffer eviction |
Date: | 2014-09-14 07:09:00 |
Message-ID: | 54153F0C.1030201@catalyst.net.nz |
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Lists: | pgsql-hackers |
On 14/09/14 19:00, Amit Kapila wrote:
> On Fri, Sep 12, 2014 at 11:09 PM, Gregory Smith
> <gregsmithpgsql(at)gmail(dot)com <mailto:gregsmithpgsql(at)gmail(dot)com>> wrote:
>
> > This looks like it's squashed one of the very fundamental buffer
> > scaling issues though; well done Amit.
>
> Thanks.
>
> > I'll go back to my notes and try to recreate the pathological cases
> > that plagued both the 8.3 BGW rewrite and the aborted 9.2 fsync
> > spreading effort I did; get those running again and see how they
> > do on this new approach. I have a decent sized 24 core server
> > that should be good enough for this job. I'll see what I can do.
>
> It will be really helpful if you can try out those cases.
>
>
And if you want 'em run on the 60 core beast, just let me know the
details and I'll do some runs for you.
Cheers
Mark
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