Re: [PERFORM] Insert performance

2007-03-08 Thread hatman
Hi Richard, > > >>> No, as said above transactions are made of 10 inserts... > >> Hmm - I read that as just meaning "inserted 10 rows". You might find > >> that smaller batches provide peak performance. > > > Ahh ok ;-) sorry for my bad english... (yeah, i have been testing > > several tra

Re: [PERFORM] Insert performance

2007-03-08 Thread hatman
Hi Andreas, Thanks for the info about COPY !! On Mar 6, 1:23 pm, [EMAIL PROTECTED] (Andreas Kostyrka) wrote: > * Richard Huxton <[EMAIL PROTECTED]> [070306 12:22]:> >>2. You can do a COPY > from libpq - is it really not possible? > > > >Not really but i have been testing it and inserts are flyin

Re: [PERFORM] performances with Pentium D

2007-03-05 Thread hatman
urn as > soon as the data gets to the disk cache, not the physical disk. SCSI disks > are almost always more correct, and wait until the data gets to the physical > disk before they return from an fsync call. > > I hope this helps. > > Regards, > > Ben"hatman"

[PERFORM] performances with Pentium D

2007-03-05 Thread hatman
Hi all, Do someone already had some problem with performances using a pentium D (64 bits) and postgres 8.2.3 on a redhat enterprise update 2 ? I did the install from sources and nothing change... I have a RAID 0 for data and 3Gb of RAM and my inserts rate is quite low, 8333 inserts/ sec (lower tha

[PERFORM] Insert performance

2007-03-05 Thread hatman
Dear all, After many tests and doc reading, i finally try to get help from you... Here is my problem. With some heavy insert into a simple BD (one table, no indexes) i can't get better perf than 8000 inserts/sec. I'm testing it using a simple C software which use libpq and which use: - Insert pre