Re: Publish checkpoint timing and sync files summary data to pg_stat_bgwriter

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От Greg Smith
Тема Re: Publish checkpoint timing and sync files summary data to pg_stat_bgwriter
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Msg-id 4F1E3390.8020403@2ndquadrant.com
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Ответ на Re: Publish checkpoint timing and sync files summary data to pg_stat_bgwriter  (Robert Haas <robertmhaas@gmail.com>)
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Robert Haas wrote:
> On Sat, Jan 21, 2012 at 6:32 PM, Jeff Janes <jeff.janes@gmail.com> wrote:
>   
>> I'm finding the backend_writes column pretty unfortunate.  The only
>> use I know of for it is to determine if the bgwriter is lagging
>> behind.  Yet it doesn't serve even this purpose because it lumps
>> together the backend writes due to lagging background writes, and the
>> backend writes "by design" due to the use buffer access strategy
>> during bulk inserts.
>>     
>
> +1 for separating those.
>   

I'm tied up with some on-site things until Friday, can rev the patch 
with this in mind (and clear some of my overall review work pile) then.

-- 
Greg Smith   2ndQuadrant US    greg@2ndQuadrant.com   Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com



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