Re: Speed up Clog Access by increasing CLOG buffers

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От Amit Kapila
Тема Re: Speed up Clog Access by increasing CLOG buffers
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Msg-id CAA4eK1K_m1YpzQF8w8pqfLXX8p+o81QEmBbiSxsxj42j-uXV6A@mail.gmail.com
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Ответ на Re: Speed up Clog Access by increasing CLOG buffers  (Dilip Kumar <dilipbalaut@gmail.com>)
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On Thu, Sep 29, 2016 at 12:56 PM, Dilip Kumar <dilipbalaut@gmail.com> wrote:
> On Thu, Sep 29, 2016 at 6:40 AM, Tomas Vondra
> <tomas.vondra@2ndquadrant.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 "
>

Another difference is that m/c on which Dilip is doing tests has 8 sockets.

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com



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