Re: Speed up Clog Access by increasing CLOG buffers

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От Andres Freund
Тема Re: Speed up Clog Access by increasing CLOG buffers
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Msg-id 2F91B844-D053-4FC0-A43A-50659DB95719@anarazel.de
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Ответ на Re: Speed up Clog Access by increasing CLOG buffers  (Jesper Pedersen <jesper.pedersen@redhat.com>)
Ответы Re: Speed up Clog Access by increasing CLOG buffers  (Jesper Pedersen <jesper.pedersen@redhat.com>)
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On April 1, 2016 10:25:51 PM GMT+02:00, Jesper Pedersen <jesper.pedersen@redhat.com> wrote:
>Hi,
>
>On 03/31/2016 06:21 PM, Andres Freund wrote:
>> On March 31, 2016 11:13:46 PM GMT+02:00, Jesper Pedersen
><jesper.pedersen@redhat.com> wrote:
>>
>>> I can do a USE_CONTENT_LOCK run on 0003 if it is something for 9.6.
>>
>> Yes please. I think the lock variant is realistic, the lockless did
>isn't.
>>
>
>I have done a run with -M prepared on unlogged running 10min per data 
>point, up to 300 connections. Using data + wal on HDD.
>
>I'm not seeing a difference between with and without USE_CONTENT_LOCK
>-- 
>all points are within +/- 0.5%.
>
>Let me know if there are other tests I can perform

How do either compare to just 0002 applied?

Thanks!
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.



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