Re: I like iostat, but...

2014-09-24 Thread Alfred Perlstein
On 9/24/14 8:09 AM, David Wolfskill wrote: On Tue, Sep 23, 2014 at 12:29:22AM +0300, Andriy Gapon wrote: On 23/09/2014 00:22, David Wolfskill wrote: ... I rather wish I could get the same information via sysctl. (Well, something seems to be available via the "opaque" kern.devstat.all sysctl(8

Re: 7.0 CPU and Memory Performance

2008-08-12 Thread Alfred Perlstein
se that difference in the real > time it takes to run that script??? > > Thanks, > > Tim. > > _______ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To un

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

2008-02-20 Thread Alfred Perlstein
* Kris Kennaway <[EMAIL PROTECTED]> [080220 13:42] wrote: > Chuck Swiger wrote: > >On Feb 20, 2008, at 1:01 PM, Alfred Perlstein wrote: > >>>Take a look at the level of packet fragmentation you are encountering; > >>>yes, this is expected and things will wor

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

2008-02-20 Thread Alfred Perlstein
* Chuck Swiger <[EMAIL PROTECTED]> [080220 10:35] wrote: > Hi-- > > On Feb 20, 2008, at 3:23 AM, Valerio Daelli wrote: > > 99904 total packets received > [ ... ] > > > > 61441 fragments received > > [ ... ] > > 34819 output datagrams fragmented > > 208914 fragments created > > Ta

Re: Bad performance when accessing a lot of small files

2007-12-28 Thread Alfred Perlstein
* Alexandre Biancalana <[EMAIL PROTECTED]> [071225 16:45] wrote: > On 12/21/07, Alfred Perlstein <[EMAIL PROTECTED]> wrote: > > > Have you tried the 'noatime' mount option? That should help. > > Yeah, the zfs set atime=off was already done > >

Re: Bad performance when accessing a lot of small files

2007-12-21 Thread Alfred Perlstein
* Alexandre Biancalana <[EMAIL PROTECTED]> [071221 15:53] wrote: > On 12/21/07, Alfred Perlstein <[EMAIL PROTECTED]> wrote: > > > > What application are you scanning these files with? I know I had > > issues with rsync in particular where I had to have it rsync &

Re: Bad performance when accessing a lot of small files

2007-12-21 Thread Alfred Perlstein
* Alexandre Biancalana <[EMAIL PROTECTED]> [071221 12:48] wrote: > On 12/21/07, Alfred Perlstein <[EMAIL PROTECTED]> wrote: > > Hi Alfred ! > > > > > There is a lot of very good tuning advice in this thread, however > > one thing to note is that having

Re: Bad performance when accessing a lot of small files

2007-12-21 Thread Alfred Perlstein
* Alexandre Biancalana <[EMAIL PROTECTED]> [071219 11:35] wrote: > Hi List, > > I have a backup server running FreeBSD 7-BETA3. The cpu is CPU: > Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz, 3GB Ram, 10x 500GB > SATA, Areca 1231-ML, the filesystem used to backup my other servers > locally is

Re: Poor mysql scaling across the board pre 5.1.22?

2007-11-28 Thread Alfred Perlstein
is the lack of row level locking for MYISAM tables, I found that to be a write performance killer with multiple concurrent accesses. INNODB is supposedly better. -- - Alfred Perlstein ___ freebsd-performance@freebsd.org mailing list http://lists.freebsd.

Re: interested in working on freeBSD

2007-09-26 Thread Alfred Perlstein
* Sanket Somnath Hase <[EMAIL PROTECTED]> [070924 01:29] wrote: > Hi Matt , > > We are graduate students at Carnegie Mellon University. We are enrolled in > a course (Operating systems practicum http://www.cs.cmu.edu/~412/ ) which > involves hands-on experience with operating-system code as it is

Re: Massive performance loss from OS::sleep hack

2007-09-16 Thread Alfred Perlstein
* Daniel Eischen <[EMAIL PROTECTED]> [070916 08:46] wrote: > On Sat, 15 Sep 2007, Kip Macy wrote: > > >Or more likely they'll continue to maintain a sched_yield that isn't > >posix compliant. We may just want to add some sort of interface so the > >jvm can tell the kernel that sched_yield should b

Re: AMD or Intel?

2007-09-12 Thread Alfred Perlstein
* Kris Kennaway <[EMAIL PROTECTED]> [070910 16:32] wrote: > Alfred Perlstein wrote: > >Palle, > > > >I really haven't kept pace with Intel versus AMD in a while, my > >understanding is that AMD is still the only 64bit game in town. > > > >For a

Re: AMD or Intel?

2007-09-10 Thread Alfred Perlstein
e better off getting AMD processors, > when running Unix? > > Regards, > Palle > > ___ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance