Re: Postgres performance comments from a MySQL user
От | Dennis Gearon |
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Тема | Re: Postgres performance comments from a MySQL user |
Дата | |
Msg-id | 3EE88E67.2EA59E5A@cvc.net обсуждение исходный текст |
Ответ на | Postgres performance comments from a MySQL user ("Jay O'Connor" <joconnor@cybermesa.com>) |
Ответы |
Re: Postgres performance comments from a MySQL user
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Список | pgsql-general |
How about adding the mesage about tuning to the: 1/ 'don't kill the postmaster message at the bottom of emails' 2/ The install messages. 3/ The build messages. 4/ The login screen for the superuser of the databse? Justin Clift wrote: > > Joseph Shraibman wrote: > > Justin Clift wrote: > > > >> The _very first_ thing to do with any PostgreSQL installation is bump > >> up the memory settings (at least "sort_mem" and "shared_buffers") in > >> the postgresql.conf and restart it. > >> > >> Tell him to test it with decent settings (try about 4000 for each as > >> an initial start), > > > > Perhaps that should be in the message that 'make install' echoes and in > > comments in the conf file itself? > > > > Probably it's a good idea to have some mention of this, as even though we should alter the source to higher defaults forour next release, there are potentially > people that would read a message like this and go "wow, didn't know that", then tune their existing installations as well. > > With Solaris, 4000 for those memory settings is a good place to start and it's generally fine to just leave them at thatunless there's a definite reason for > performance tuning. No idea with other OS's. > > Anyone feel like submitting a patch to alter the default settings to a higher mark? Don't think it's been done yet, andit'd be a shame to forget it before > feature freeze time of the next release. > > Regards and best wishes, > > Justin Clift > > -- > "My grandfather once told me that there are two kinds of people: those > who work and those who take the credit. He told me to try to be in the > first group; there was less competition there." > - Indira Gandhi > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
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