Re: [INTERFACES] Performance
От | Thomas Lockhart |
---|---|
Тема | Re: [INTERFACES] Performance |
Дата | |
Msg-id | 377191AF.BE5F54A@alumni.caltech.edu обсуждение исходный текст |
Ответ на | Performance (Steven Bradley <sbradley@llnl.gov>) |
Список | pgsql-interfaces |
> Is it unrealistic to expect Postgres to insert on the order of 100 > records per second on a Pentium 400 MHz/SCSI class machine running > Linux? (Solaris on a comparable platform has about 1/2 the > performance) I'd expect roughly equivalent performance on different platforms. I measured the insert performance a couple of years ago and found roughly 50 inserts per second on my dual processor, 180MHz PPro system, which was the same performance as I had on an Ingres installation on a medium-speed Alpha/OSF-1 box. Without knowing more about your memory and disk setup, I'll guess that you can use more memory, can bump buffer size by using "-B 1024" or something similar, and running without mandatory fsync() (use the "-F" option). However, istm that your system should do better than 10ips before you invoke "-F", otherwise you'll just be working around another underlying problem/bottleneck. Good luck. - Thomas -- Thomas Lockhart lockhart@alumni.caltech.edu South Pasadena, California
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