Bucky, I see you are running bonnie++ version 1.93c. The numbers it reports are very different from version 1.03a, which is the one everyone runs - can you post your 1.03a numbers from bonnie++? - Luke On 8/14/06 4:38 PM, "Bucky Jordan" <bjordan@xxxxxxxxxx> wrote: > ... > Of more interest would be a test which involved large files with lots > of seeks all around (something like bonnie++ should do that). > ... > > Here's the bonnie++ numbers for the RAID 5 x 6 disks. I believe this was > with write-through and 64k striping. I plan to run a few others with > different block sizes and larger files- I'd be happy to send out a link > to the list when I get a chance to post them somewhere. I've also been > running some basic tests with pgbench just to help jumpstart customizing > postgresql.conf, so that might be of interest too. > > bash-2.05b$ bonnie++ -d bonnie -s 1000:8k > Version 1.93c ------Sequential Output------ --Sequential Input- > --Random- > Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- > --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP > /sec %CP > 1000M 587 99 246900 71 225124 76 1000 99 585723 99 > 8573 955 > Latency 14367us 50829us 410ms 57965us 1656us > 432ms > Version 1.93c ------Sequential Create------ --------Random > Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- > -Delete-- > files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > /sec %CP > 16 28192 91 +++++ +++ +++++ +++ 26076 89 +++++ +++ > +++++ +++ > Latency 25988us 75us 37us 24756us 36us > 41us > 1.93c,1.93c, > ,1,1155223901,1000M,,587,99,246900,71,225124,76,1000,99,585723,99,8573,9 > 55,16,,,,,28192,91,+++++,+++,+++++,+++,26076,89,+++++,+++,+++++,+++,1436 > 7us,50829us,410ms,57965us,1656us,432ms,25988us,75us,37us,24756us,36us,41 > us > > ... > Thanks for sharing your numbers. > ... > > You're welcome- I prefer to see actual numbers rather than people simply > stating that RAID controller X is better, so hopefully more people will > do the same. > > - Bucky > > ---------------------------(end of broadcast)--------------------------- > TIP 6: explain analyze is your friend >
