Re: Tunning FreeeBSD and PostgreSQL
От | Vivek Khera |
---|---|
Тема | Re: Tunning FreeeBSD and PostgreSQL |
Дата | |
Msg-id | 16157.18467.310482.384436@yertle.int.kciLink.com обсуждение исходный текст |
Ответ на | Re: Tunning FreeeBSD and PostgreSQL (Bruce Momjian <pgman@candle.pha.pa.us>) |
Ответы |
Re: Tunning FreeeBSD and PostgreSQL
|
Список | pgsql-performance |
>>>>> "BM" == Bruce Momjian <pgman@candle.pha.pa.us> writes: >> not anything pre-allocated (from my understanding). These settings >> allow for up to 100,000 shared buffers (I currently only use 30,000 >> buffers) BM> I think the only downside to making them too big is that you allocate BM> page tables and prevent that address range from being used by other Does this apply in general or just on FreeBSD? BM> processes. Of course, if you have much less than 4 gigs of RAM in the BM> machine, it probably isn't an issue. Probably, but wasting page table entries is never a good idea... -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 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/
В списке pgsql-performance по дате отправления: