Try to run a vacuum on the box with slow inserts (don't know if that
helps, though).
Run a /sbin/hdparm -t <harddisk>, to compare the speed of the harddisks.
HTH,
Poul L. Christiansen
Daniel ?erud wrote:
>
> I have this little test application that compares
> retreiving and inserting data using indexes and not using
> indexes. I have tried this program on two different
> machines. One is a PIII 533 256 meg memory and SCSI. The
> other one is a dual 400 (something) 512 meg memory. The
> thing is that the PII _SELECTS_ faster (this is OK since
> the program uses one thread/process) than the dual 400 but
> inserts is a complete different story.
>
> 10000 inserts takes 665 seconds on the PIII 533, while on
> the dual 400 it takes about 13 seconds (*GULP!*). I have
> done a clean reinstallation (dpkg --purge postgresql, apt-
> get install postgresql) and tried it again. Same results.
> Do you guys know what could be the reason?
>
> Thanks.
>
> Daniel Åkerud
>
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