| From: | huang yaqin <hyq(at)gthome(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: good pc but bad performance,why? |
| Date: | 2004-04-07 04:00:37 |
| Message-ID: | 0HVS00F9Q906F7@mail.gthome.com |
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| Thread: | |
| Lists: | pgsql-performance |
hello!
Thanks, you are right.
I use "postmaster -o "-F" " to start my PG,and performance improved greatly.
Best regards,
huang yaqin
>huang yaqin <hyq(at)gthome(dot)com> writes:
>> I have some question when I use postgresql 7.4.1 on redhat adv server 2.1 .
>> I use IBM335 as server, it has 4 cpus, 1G RAM. but I got very bad performance.
>> I can only do about 50 inserts per sencond. Event worse than my pc(PIII 800,256M RAM), can anyone give me some advice?
>
>If the cheap machine appears to be able to commit more transactions
>per second than the better one, it's very likely because the cheap
>machine has a disk that lies about write completion. Is the server
>using SCSI disks by any chance? To a first approximation, IDE drives
>lie by default, SCSI drives don't.
>
> regards, tom lane
>
>
>
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致
礼!
huang yaqin
hyq(at)gthome(dot)com
2004-04-07
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