Re: FreeBSD page size
От | Bruce Momjian |
---|---|
Тема | Re: FreeBSD page size |
Дата | |
Msg-id | 200309042213.h84MDBA29273@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: FreeBSD page size (Vivek Khera <khera@kcilink.com>) |
Список | pgsql-performance |
Vivek Khera wrote: > >>>>> "BM" == Bruce Momjian <pgman@candle.pha.pa.us> writes: > > > BM> The 32k number is from Tatsuo testing a few years ago. > > Can you verify for me that these parameters in postgresql.conf are > based on the BLCKSZ (ie one buffer is the size of the BLCKSIZ macro): > > shared_buffers > effective_cache_size > > Logically it makes sense, but I want to be sure I'm adjusting my > postgresql.conf parameters accordingly when I try different block > sizes. Also, to check, you can use ipcs to see the shared memory sizes allocated. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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