Re: Speed up Clog Access by increasing CLOG buffers

From: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Speed up Clog Access by increasing CLOG buffers
Date: 2016-09-29 07:26:00
Message-ID: CAFiTN-vE2n6YbkEfJ2JRD+4Z8b+Kv6u07PCCVVdC3Sn26F0EFg@mail.gmail.com
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On Thu, Sep 29, 2016 at 6:40 AM, Tomas Vondra
<tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
> Yes, definitely - we're missing something important, I think. One difference
> is that Dilip is using longer runs, but I don't think that's a problem (as I
> demonstrated how stable the results are).
>
> I wonder what CPU model is Dilip using - I know it's x86, but not which
> generation it is. I'm using E5-4620 v1 Xeon, perhaps Dilip is using a newer
> model and it makes a difference (although that seems unlikely).

I am using "Intel(R) Xeon(R) CPU E7- 8830 @ 2.13GHz "

--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com

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