Re: scalability issues on win32
От | Pierre-Frédéric Caillaud |
---|---|
Тема | Re: scalability issues on win32 |
Дата | |
Msg-id | opshv2v01gcq72hf@musicbox обсуждение исходный текст |
Ответ на | scalability issues on win32 ("Merlin Moncure" <merlin.moncure@rcsonline.com>) |
Список | pgsql-performance |
> Test platform: > Pentium 4 3.06 GHz/HT > 10k SATA Raptor > 1Gb memory > Windows XP Pro SP2/Redhat Fedora 3 (64 bit results coming soon) Could you please add information about... - filesystems ? - windows configured as "network server" or as "desktop box" ? - virtual memory In my experience you MUST deactivate virtual memory on a Windows box to avoid catastrophic competition between virtual memory and disk cache - respective pgsql configurations (buffers...) identical ? - explain analyze for the two, identical ? - client on same machine or via network (100Mb ? 1G ?) - size of the data set involved in query - first query time after boot (with nothing in the cache), and times for the next disk-cached runs ? - are the N users doing the same query or exercising different parts of the dataset ? You don't do any writes in your test do you ? Just big SELECTs ?
В списке pgsql-performance по дате отправления: