huang yaqin <[EMAIL PROTECTED]> 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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