Re: Very slow I/O performance on HP BL465c

2009-08-12 Thread Krassimir Slavchev
isks tray. Also check the connector's pins. I had such problems on a DL380. Best Regards > > Thanks for your help, time to put a call in with HP although without any > real errors to show them it is going to be a challenge. > > > On 12/08/09 5:57 PM, "Krassimir Sla

Re: Very slow I/O performance on HP BL465c

2009-08-12 Thread Krassimir Slavchev
updates) > /dev/da0s1d on /var (ufs, local, soft-updates) > > / - Throughput 6.59862 MB/sec 4 procs > /usr - Throughput 14.487 MB/sec 4 procs > > > > On 12/08/09 3:41 PM, "Krassimir Slavchev" wrote: > > Looks okay. > How your disks are partitioned a

Re: Very slow I/O performance on HP BL465c

2009-08-11 Thread Krassimir Slavchev
mer 79995057 1999 > Total 640129956 16000 > > # camcontrol tags da0 > (pass0:ciss0:0:0:0): device openings: 254 > > Just for clarification, both systems are running amd64. > > Thanks, > > Nathan > > -Original M

Re: Very slow I/O performance on HP BL465c

2009-08-11 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, What is the output of 'vmstat -i' and 'camcontrol tags da0' ? I have a ML350 running 7-STABLE with same controller and disks and performance is almost same as your good server. Nathan Le Nevez wrote: > Hi, > > I'm running 7.2-p3 on 2x HP BL465c

Re: 1. thread switching time? (Krassimir Slavchev)

2008-11-03 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Julian Elischer wrote: > Krassimir Slavchev wrote: > >> >> Also, I am able to set HZ=10 but the thread switching time is still >> ~1ms. > > You must be talking about the time that a thread can run before it is >

Re: 1. thread switching time? (Krassimir Slavchev)

2008-10-31 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hello Julian, Julian Elischer wrote: > Krassimir Slavchev wrote: > >> >> Also, I am able to set HZ=10 but the thread switching time is still >> ~1ms. > > You must be talking about the time that a thread can ru

Re: 1. thread switching time? (Krassimir Slavchev)

2008-10-31 Thread Krassimir Slavchev
L PROTECTED] >> Sent: Thursday, October 30, 2008 8:00 PM >> To: freebsd-performance@freebsd.org >> Subject: freebsd-performance Digest, Vol 68, Issue 4 > >> Message: 1 >> Date: Wed, 29 Oct 2008 17:28:36 +0200 >> From: Krassimir Slavchev <[EMAIL PROTECTED]> >

Re: thread switching time?

2008-10-30 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jason Stone wrote: > >> I am using FreeBSD 7 and would like to decrease the time of switching >> between threads. This time seems to be 1ms and it is impossible to >> make lower delays inside a thread, at least using nanosleep(). > >> Is it possible

thread switching time?

2008-10-29 Thread Krassimir Slavchev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hello All, I am using FreeBSD 7 and would like to decrease the time of switching between threads. This time seems to be 1ms and it is impossible to make lower delays inside a thread, at least using nanosleep(). Is it possible to decrease this time to