Re: Very slow I/O performance on HP BL465c

2009-08-13 Thread Boris Samorodov
Nathan Le Nevez writes: > I'm running 7.2-p3 on 2x HP BL465c blade servers, one of which performs very > poorly. Both have the same RAID controller and 2 x 146GB 10k SAS disks > configured in RAID-1. Both controllers have write-cache enabled. Both > servers are running the same BIOS and firmware

Re: 7.0-Release and 3ware 9550SXU w/BBU - horrible write performance

2008-03-04 Thread Boris Samorodov
On Tue, 04 Mar 2008 23:25:00 +0300 Boris Samorodov wrote: > Here it is now with WD RE2 1T disks: Sorry, these are just plain WD-JS 0.5T disks here. WBR -- Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD committer, http://www.FreeBSD.org The P

Re: 7.0-Release and 3ware 9550SXU w/BBU - horrible write performance

2008-03-04 Thread Boris Samorodov
7.0-RELEASE #14: Mon Mar 3 18:27:26 MSK 2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/BTEST i386 btest% sudo dd if=/dev/da0 of=/dev/null bs=1m count=1000 1000+0 records in 1000+0 records out 1048576000 bytes transferred in 5.073393 secs (206681412 bytes/sec) btest% sudo dd if=/dev/zero of=/s

Re: 7.0-Release and 3ware 9550SXU w/BBU - horrible write performance

2008-03-04 Thread Boris Samorodov
7.0-RELEASE #14: Mon Mar 3 18:27:26 MSK 2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/BTEST i386 btest% sudo dd if=/dev/da0 of=/dev/null bs=1m count=1000 1000+0 records in 1000+0 records out 1048576000 bytes transferred in 5.073393 secs (206681412 bytes/sec) btest% sudo dd if=/dev/zero of=/s

Re: mysql scaling questions

2007-12-02 Thread Boris Samorodov
On Sat, 1 Dec 2007 17:48:24 -0800 Manjunath R Gowda wrote: > On 12/1/07, Boris Samorodov <[EMAIL PROTECTED]> wrote: > > 3ware driver is under GIANT at 7.x. I don't know if it's the same for > > linux. > It is not under GIANT any more, MPSAFE starting from

Re: mysql scaling questions

2007-12-01 Thread Boris Samorodov
x. I don't know if it's the same for linux. WBR -- Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD committer, http://www.FreeBSD.org The Power To Serve ___ freebsd-performance@freebsd.org mail

Re: postgresql benchmarking

2007-03-13 Thread Boris Samorodov
On Wed, 14 Mar 2007 03:16:10 -0400 Kris Kennaway wrote: > On Wed, Mar 14, 2007 at 09:42:00AM +0300, Boris Samorodov wrote: > > On Tue, 13 Mar 2007 20:55:46 -0400 Kris Kennaway wrote: > > > > > On the same test postgresql is indeed faster, I haven't finished >

postgresql benchmarking (was: Re: FreeBSD mysql Benchmark on 4BSD/ULE scheduler and i386/amd64)

2007-03-13 Thread Boris Samorodov
o-xeon-quad-core server with 3WARE RAID adapter. Can you give me some tips? Thank you. WBR -- Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD committer, http://www.FreeBSD.org The Power To Serve ___

Re: SATA300 Controllers

2006-07-06 Thread Boris Samorodov
l and > recompiling with a build-world? > I'm currently trying to build a moderate large system with 4 presentation > servers, 2 database servers and one large storage system using NFS mapped to > ~1.2 terrabyte of SATA disks (4x Maxtor 500GB 7200 RPM disks w/RAID5 > config). Any suggest