Re: Various performance questions
От | Dror Matalon |
---|---|
Тема | Re: Various performance questions |
Дата | |
Msg-id | 20031027172310.GI2979@rlx11.zapatec.com обсуждение исходный текст |
Ответ на | Re: Various performance questions (Vivek Khera <khera@kcilink.com>) |
Список | pgsql-performance |
On Mon, Oct 27, 2003 at 11:12:37AM -0500, Vivek Khera wrote: > >>>>> "DM" == Dror Matalon <dror@zapatec.com> writes: > > DM> effective_cache_size = 25520 -- freebsd forumla: vfs.hibufspace / 8192 > > DM> 1. While it seems to work correctly, I'm unclear on why this number is > DM> correct. 25520*8 = 204160 or 200 Megs. On a machine with 2 Gigs it > DM> seems like the number should be more like 1 - 1.5 Gigs. > > Nope, that's correct... I know it's correct. I was asking why it's correct. > > > -- > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Vivek Khera, Ph.D. Khera Communications, Inc. > Internet: khera@kciLink.com Rockville, MD +1-240-453-8497 > AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/ > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly -- Dror Matalon Zapatec Inc 1700 MLK Way Berkeley, CA 94709 http://www.zapatec.com
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