Re: (S)ATA performance in FBSD 6.2/7.0

2007-03-02 Thread R. B. Riddick
--- "O. Hartmann" <[EMAIL PROTECTED]> wrote: > Before digging into this problem deeper with benchmarks, could anyone > explain why FreeBSD reaches this 33 MB/s limit (sounds like UDMA 33 > defaults, but on both boxes nForce4 and ICH5 controller are recognized > and show up with SATA300 or SATA15

Re: bizarre performance issues in 6.2 release

2007-02-16 Thread R. B. Riddick
--- "Steven H. Baeighkley" <[EMAIL PROTECTED]> wrote: > These servers are running apache, perl, proftpd and php. One server is > running 4.11 and is rocking the world, load is rarely above 1 and is > regularly below .5. The other server is running 6.2 and regularly has > load between 2 and 6 des

Re: network perf : em driver ? [solved]

2007-01-13 Thread R. B. Riddick
--- Patrick Proniewski <[EMAIL PROTECTED]> wrote: > I've connected the em0 port of the freebsd box on a gigabit PCI-X NIC > I have in the Mac, and given a second try to the "dd | nc" client/ > server bench: 103 MB/s. This is far better ! > Same setup with apache 1.3 on the mac, wget on the Freeb

Re: network perf : em driver ?

2007-01-12 Thread R. B. Riddick
--- Chuck Swiger <[EMAIL PROTECTED]> wrote: > On Jan 12, 2007, at 8:07 AM, R. B. Riddick wrote: > > As the "OP" (what is that exactly? again an animal?) mentioned: > > Apache performs > > worse than scp. > > Quick testing suggests that an Apache child

Re: network perf : em driver ?

2007-01-12 Thread R. B. Riddick
--- Ivan Voras <[EMAIL PROTECTED]> wrote: > R. B. Riddick wrote: > > We had that problem before: Some HTTP server implementations just dont > > bring it... :-) thttpd is quite efficient, I have heard... > > This is a red herring. The OP reports he transfers a

Re: network perf : em driver ?

2007-01-12 Thread R. B. Riddick
--- Patrick Proniewski <[EMAIL PROTECTED]> wrote: > I'll give FTP a try, but I would like the network to be fast for > every protocols. I'm planning to share data using NFS, WebDAV, or SMB > (and scp occasionally), but I've still to choose and configure > appropriate servers. > We had that p

Re: Best RAID setup

2006-12-29 Thread R. B. Riddick
--- Benjamin D Adams <[EMAIL PROTECTED]> wrote: > I have three SATA drives (750 GB Barracuda 7200) I'm trying to > figureout the best raid configuration for this. > I'm looking for great preformance but I also want to so if one of the > drives dies. I can remove it and the other two will work fin

Re: gvinum raid5 performance seems slow

2006-10-30 Thread R. B. Riddick
--- Greg 'groggy' Lehey <[EMAIL PROTECTED]> wrote: > On Sunday, 29 October 2006 at 23:05:32 -0800, R. B. Riddick wrote: > > I did it that way in my graid5 class: > > http://home.tiscali.de/cmdr_faako/geom_raid5.tbz > > I would have taken a look at it

Re: gvinum raid5 performance seems slow

2006-10-29 Thread R. B. Riddick
--- Greg 'groggy' Lehey <[EMAIL PROTECTED]> wrote: > "Sufficiently large data blocks" equates to several megabytes. > Currently MAXPHYS, the largest transfer request that would get to the > bio layer, is 131072 bytes. This would imply a stripe size of not > more than 32 kB for a five disk array, w

Re: question concerning proper usage of kernel variables net.bpf.bufsize and vm_kmem_size_max

2006-07-26 Thread R. B. Riddick
--- Raymond Owens <[EMAIL PROTECTED]> wrote: > Questions: > Can VM_KMEM_SIZE_MAX be set manually with sysctl? > No, but you could set it with this procedure: 1. Insert the lines vm.kmem_size=123456789 vm.kmem_size_max=1234567890 in /boot/loader.conf 2. reboot That should change those value

Re: Is the fsync() fake on FreeBSD6.1?

2006-06-27 Thread R. B. Riddick
On Tuesday, 27 June 2006 at 10:18:47 +0800, leo huang wrote: > And how I can confirm this? > You could do this test: 1. write some data with dd if=/dev/zero of=/tmp/a bs=1m count=100 2. then fsync /tmp/a 3. then listen to the hard disc 4. repeat it until u r sure, if the hard disc reacts on the fs

Re: Initial 6.1 questions

2006-06-14 Thread R. B. Riddick
Hi boys and girls! *giggle* I hope the following does not sound too much like the product of a bipolar disorder of mine... Some years ago (in or about in 1993) I heard, that there is a computer program, that was able to produce some mathematical theorems out of axioms (even some new, I think; but