Re: .so functions and SQL queries
От | Guillaume Lémery |
---|---|
Тема | Re: .so functions and SQL queries |
Дата | |
Msg-id | 3A684B90.2070208@comclick.com обсуждение исходный текст |
Ответ на | .so functions and SQL queries (Guillaume Lémery <glemery@comclick.com>) |
Список | pgsql-general |
>> I ran some test to see how many queries PostGreSQL can handle per >> seconds through the libpq library : not more than 200. >> [...] > > Care to share the specs on the system, or was that number consistent across > several setups? > I made other tests today and obtain better results : I have a program that forks itself as many times as I want (parameter) and which connects to the base and then executes numerous times the same fetchs (another parameter) : 3 SELECT via libpq and a call to a PLPGSQL Function that performs 3 SELECT and 3 UPDATE. In conclusion, PostGreSQL handles about 65 fetches/sec with 15 processes (= 15 connections). It means about 550 queries per second. The postmaster has the -F -N 256 -B 4096 options The tests are on a Bi-PIII 660 with 1GB RAM. Are these results good for you ? Or do you think PG can do much better ?
В списке pgsql-general по дате отправления: