Re: performance degradation in 6.2 when adding a second quad core chip

2008-02-21 Thread Kris Kennaway
benjamin thielsen wrote: hi folks- we've been experiencing some interesting behavior on single quad core computers as compared to dual quad core computers. Yes, this can happen when you run into concurrency bottlenecks in the application or in the kernel. it appears that adding a second pr

performance degradation in 6.2 when adding a second quad core chip

2008-02-21 Thread benjamin thielsen
hi folks- we've been experiencing some interesting behavior on single quad core computers as compared to dual quad core computers. it appears that adding a second processor to the system (leaving it otherwise untouched) actually decreases performance. we've got a small rudimentary test p

[curious] interface aliases changing performance

2008-02-21 Thread Vadim Goncharov
Hi! After looking at humotous quoting about a man trying to ban unused addresses in his network by putting 65535 ifcong_XXX_aliasYYY lines to rc.conf, I decided to check this performance issue on a 6.2-RELEASE (GENERIC) and compare it with Linux. Below are results from two machines. First, I've f

Re: System perforamance 4.x vs. 5.x and 6.x

2008-02-21 Thread Kostik Belousov
patch (against RELENG_6) is at http://people.freebsd.org/~kib/quotagiant/quotas-RELENG_6-20080221-1202.patch pgpAKyOWoPWdr.pgp Description: PGP signature

Re: System perforamance 4.x vs. 5.x and 6.x

2008-02-21 Thread Brett Bump
On Wed, 20 Feb 2008, Kostik Belousov wrote: > I cannot reproduce it locally. With patch applied, it compiles both > GENERIC and GENERIC with options QUOTA added just fine. > > Check for partially applied patch. > Thanks Kostik. You can double check me on sizes, but it would appear that all file

Re: System perforamance 4.x vs. 5.x and 6.x

2008-02-21 Thread Kostik Belousov
On Tue, Feb 19, 2008 at 03:02:44PM -0700, Brett Bump wrote: > > Oops! > > ../../../ufs/ufs/ufs_quota.c: In function `chkdq': > ../../../ufs/ufs/ufs_quota.c:168: error: `do_check' undeclared (first use in > this function) > ../../../ufs/ufs/ufs_quota.c:168: error: (Each undeclared identifier is

Re: Bad performance of 7.0 nfs client with Solaris nfs server

2008-02-21 Thread Kris Kennaway
Valerio Daelli wrote: On Thu, Feb 21, 2008 at 10:57 AM, Kris Kennaway <[EMAIL PROTECTED]> wrote: Valerio Daelli wrote: > As you can see they are much faster than NFS. > Then I have done a test with a Solaris 10 client and a Solaris 10 server: > > --- > SOLARIS > > [EMAIL PROTECTED] 17:00

Re: Bad performance of 7.0 nfs client with Solaris nfs server

2008-02-21 Thread Valerio Daelli
On Thu, Feb 21, 2008 at 10:57 AM, Kris Kennaway <[EMAIL PROTECTED]> wrote: > Valerio Daelli wrote: > > > As you can see they are much faster than NFS. > > Then I have done a test with a Solaris 10 client and a Solaris 10 server: > > > > --- > > SOLARIS > > > > [EMAIL PROTECTED] 17:00:34:~ /u

Re: Bad performance of 7.0 nfs client with Solaris nfs server

2008-02-21 Thread Kris Kennaway
Valerio Daelli wrote: As you can see they are much faster than NFS. Then I have done a test with a Solaris 10 client and a Solaris 10 server: --- SOLARIS [EMAIL PROTECTED] 17:00:34:~ /usr/local/bin/iozone -r 2m -+q 1 -i 0 -n 2048 -g 8m -Raceb iozone.xls -f /mnt/nest.ifom-ieo-campus.it/iozone.s

Re: Bad performance of 7.0 nfs client with Solaris nfs server

2008-02-21 Thread Valerio Daelli
> Can you post it somewhere for me to download and look at? I'm not sure > my mail server will take a 30MB attachment :) > > Eric > > Hi I have done a test with rsync. These are the results: [EMAIL PROTECTED]:/var/rsync RSYNC_PASSWORD='xxx' time rsync -av rsync://[EMAIL PROTECTED]/data/FILE