huang yaqin wrote:
hello,

        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.


This is most likely a dual processor Xeon machine with HT, because the x335 is limited to two physical cpus.


I can only do about 50 inserts per sencond. Event worse than my pc(PIII 800,256M RAM), can anyone give me some advice?

any chance you are using the onboard MPT-Fusion "Raid"controller with a RAID1 - we have seen absolutely horrible performance from these controllers here.
Using them as a normal SCSI-Controller with Softwareraid on top fixed this for us ...



stefan


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