Re: Inserting 8MB bytea: just 25% of disk perf used?

Поиск
Список
Период
Сортировка
От Greg Smith
Тема Re: Inserting 8MB bytea: just 25% of disk perf used?
Дата
Msg-id 4B5811BD.4020202@2ndquadrant.com
обсуждение исходный текст
Ответ на Re: Inserting 8MB bytea: just 25% of disk perf used?  (Scott Carey <scott@richrelevance.com>)
Ответы Re: Inserting 8MB bytea: just 25% of disk perf used?  (Matthew Wakeling <matthew@flymine.org>)
Re: Inserting 8MB bytea: just 25% of disk perf used?  (Scott Carey <scott@richrelevance.com>)
Re: Inserting 8MB bytea: just 25% of disk perf used?  (Scott Carey <scott@richrelevance.com>)
Список pgsql-performance
Scott Carey wrote:
> On Jan 20, 2010, at 5:32 AM, fkater@googlemail.com wrote:
>
>
>> In the attachement you'll find 2 screenshots perfmon34.png
>> and perfmon35.png (I hope 2x14 kb is o.k. for the mailing
>> list).
>>
>>

I don't think they made it to the list?  I didn't see it, presumably
Scott got a direct copy.  I'd like to get a copy and see the graphs even
if takes an off-list message.  If it's an 8.2 checkpoint issue, I know
exactly what shapes those take in terms of the disk I/O pattern.

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


В списке pgsql-performance по дате отправления:

Предыдущее
От: Scott Carey
Дата:
Сообщение: Re: Inserting 8MB bytea: just 25% of disk perf used?
Следующее
От: Greg Stark
Дата:
Сообщение: Re: ext4 finally doing the right thing