Re: Why Are You Using FreeBSD?

2012-05-31 Thread Claus Guttesen
A regular debian update is 5 minutes + reboot A regular FBSD update is about 1.5 hour + 3 reboots (after installkernel, installworld, rebuild of ports) But how often do you need to As a matter of fact, too often, that's te problem. We have 800 servers and I can't argue that debian's

Re: Strange 'hangs' with RELENG_9

2012-01-19 Thread Claus Guttesen
Recently I updated my RELENG_8 to RELENG_9. Since then, the server hangs from time to time for 5 minutes. When I run a top in a remote terminal, I can see that it hangs so strong, that the clock hangs too. When it continues to run , the time continues from the when it 'hanged'. TCP

Re: em0 timeout disconnects server

2011-08-01 Thread Claus Guttesen
Do you happen to run nfs on the server? I had weird problems with igb-timeouts when many nfs-reads occured and a down and up on the interface would restore the network connection for a while. I had vmware-servers on a nfs-share and either when booting or installing programs from windows

Re: Hard drive detection

2011-05-12 Thread Claus Guttesen
How about Solaris? :-) Good idea, I've sort of given up on Solaris thanks to Oracle, but that's a better bet for a test if it's a Sun box. You can try openindiana. Regards Claus ___ freebsd-stable@freebsd.org mailing list

Re: 8.2: ISCSI: ISTGT a bit slow, I think

2011-04-05 Thread Claus Guttesen
I've reached almost 118 MB/s but I don't have access to the configuration atm. This was from a windows 7 client. From vmware I've gotten 107 MB/s during a debian 6 server installation. I'll post the settings when I get back to work. that would be nice. I will test also a Windows7 client,

Re: ZFS with compression causes deadlock

2011-04-05 Thread Claus Guttesen
Today I had deadlock on several machines. Almost all processes stucked in [tx-tx_cpu[c].tc_lock]. Machines were helped only `reboot -n'. I've created new gzip-ed filesystem a few days ago. I didn't have any problems with ZFS before. System was built from

Re: 8.2: ISCSI: ISTGT a bit slow, I think

2011-04-04 Thread Claus Guttesen
I testing the maximum throughput from ISCSI, but I've reached only ~50MB/s (dd if=/dev/zero of=/dev/da13 bs=1M count=2048) with crossover 1Gb/s cabel and raw disk. Both machines are FreeBSD 8.2-stable with istgt and the Onboard ISCSI initiator I've reached almost 118 MB/s but I don't have

Re: zfs, nfs and zil

2011-03-29 Thread Claus Guttesen
All ip-activitiy, dns, ssh etc. on the interface (ip-address) that is mounted. So whenever I test I log in to the server using the other ip-address and whenever it stops responding to ping or my screen session stops I reload the interfaces and the traffic resumes. Are the two NICs the same

Re: zfs, nfs and zil

2011-03-29 Thread Claus Guttesen
It's a supermicro server with dual igb-nics on the mainboard. I did try other cables and other ports on the switch (hp procurve). I don't have access to the server atm. but I'll get the chip-info in a day or two. Both ip-addresses are on same subnet. Speed is autonegotiated to 1 GB full

zfs, nfs and zil

2011-03-28 Thread Claus Guttesen
I've setup a server with FreeBSD 8.2 (prerelase) and patched zfs to ver. 28. The server has 11 disks each 2 TB in raidz2. The performance is very good and I've got approx. 117 MB/s on plain GB nics using iscsi. I'm mounting the FreeBSD-server from a couple of vmware esxi 4.1 servers using nfs,

Re: zfs, nfs and zil

2011-03-28 Thread Claus Guttesen
I'm mounting the FreeBSD-server from a couple of vmware esxi 4.1 servers using nfs, but when there is alot of i/o the server becomes unresponsive, easily triggered by installing ie. ms-sql. The server itself is up but is not reachable from the network. When I take the nic down and up again

Re: zfs, nfs and zil

2011-03-28 Thread Claus Guttesen
If your disk controller has a lot of cache on it, and a battery backup, then enabling the write cache and disabling the ZIL can be faster, without sacrifising consistency (the write cache on the controller acts like a ZIL).  There's several threads on the zfs-discuss mailing list where this

Re: zfs, nfs and zil

2011-03-28 Thread Claus Guttesen
I'm mounting the FreeBSD-server from a couple of vmware esxi 4.1 servers using nfs, but when there is alot of i/o the server becomes unresponsive, easily triggered by installing ie. ms-sql. The server itself is up but is not reachable from the network. When I take the nic down and up again

Re: get ram usage using getrusage()

2010-12-20 Thread Claus Guttesen
  I'm trying to read how much ram an app is using reading Could you phrase that question more precisely? It might be helpful to know *WHY* you are interested in the app's RAM usage, in order to be able to give the most appropriate advice. I'm testing the redis key-value-store with the

Re: get ram usage using getrusage()

2010-12-20 Thread Claus Guttesen
The SIZE column of top(1) is the same as the VSZ column of ps(1):  It displays the virtual process size.  Basically this is the sum of all VM mappings that are assigned to the process.  It has _nothing_ to do with the RAM usage. Somewhat more useful for your purpose is the resident set size

get ram usage using getrusage()

2010-12-19 Thread Claus Guttesen
Hi. I'm trying to read how much ram an app is using reading http://unix.derkeiler.com/Mailing-Lists/FreeBSD/stable/2006-03/msg00246.html from ru.ru_maxrss. While ru.ru_maxrss gives me used accurate ram-usage when memory increases it doesn't immediately count down when memory is released. So I

Re: sendmail replacement

2010-01-13 Thread Claus Guttesen
I would like to know if there is a way to completely replace the base sendmail with a ports one. The goal is to have corresponding files on the traditional places (not in /usr/local) and to use the system sendmail startup script but not /usr/local/etc/rc.d/sendmail.sh. postfix? Very nice

Re: 8.0-RC1 NFS client timeout issue

2009-10-27 Thread Claus Guttesen
I see an annoying behaviour with NFS over TCP. It happens both with nfs and newnfs. This is with FreeBSD/amd64 8.0-RC1 as client. The server is some Linux or perhaps Solaris, I'm not entirely sure. I used nfs with tcp on a 7.2-client without problems on a solaris nfs-server. When I upgraded to

Re: I need to add commands that starts every time at system boot.

2009-06-07 Thread Claus Guttesen
I need to add commands that starts every time at system boot. which script is the one that starts first and where can I find it? You can also try to add something like this to root's crontab: @reboot /sbin/mount -a -- regards Claus When lenity and cruelty play for a kingdom, the gentler

Re: apache 2.0.63 and php5

2009-04-11 Thread Claus Guttesen
Strange, i have a apache web 2.0.63 and php5 on a 6.4-STABLE, but every time i reboot the server, the php pages does not work at all, especially some self tools made with sh scripts and sudo (tail cat and some php buttons), refresh of the page does not solve the matter.. For fix it, i need

Re: Installing packages using ports after freebsd-update doesn't work on amd64

2009-01-25 Thread Claus Guttesen
If you haven't already you have to remove and reinstall _all_ of your ports after doing a major version upgrade (6.x - 7.x). Prior to starting the upgrade I did a pkg_delete -a. I wanted a clean system (just like a reinstallation). How do I ensure that all packages were removed by pkg_delete

Re: Installing packages using ports after freebsd-update doesn't work on amd64

2009-01-25 Thread Claus Guttesen
Prior to starting the upgrade I did a pkg_delete -a. I wanted a clean system (just like a reinstallation). How do I ensure that all packages were removed by pkg_delete -a ? Running pkg_delete -a returns pkg_delete: no packages installed The steps I followed were: 1. check if the system has

Re: Big problems with 7.1 locking up :-(

2009-01-18 Thread Claus Guttesen
My previous upgrade was FreeBSD 7.0-STABLE #0: Tue Jul 22, and worked perfectly fine with exactly the same software configuration. Now i have FreeBSD 7.1-STABLE #0: Mon Jan5, and the situation is disastrous. Makes you wonder on on earth could have changed that much between 7.0/7.1 Nice

Re: Big problems with 7.1 locking up :-(

2009-01-14 Thread Claus Guttesen
my problem in with others under the asusmption that it's all the same. This is onbiously pretty rare - out of 24 of the HP servers the problems only crops up on 4 of them. But there is nothing dfferent about those 4. Could it be different bios/firmware on the hp-servers? Mr. Aliyev was unable

Re: Big problems with 7.1 locking up :-(

2009-01-13 Thread Claus Guttesen
Mine never lock up doing buildworlds either. They only lock up when they are sitting there more of less idle! The machines which have never locked up are the webservers, which are fairly heavlt loaded. The machine which locks up the most frequently is a box sitting there doing nothing but DNS,

Re: Big problems with 7.1 locking up :-(

2009-01-12 Thread Claus Guttesen
I've updagraded a test-webserver to 7.1 when it was released. After a few days I upgraded a production-webserver to 7.1 on Jan. 8'th and it has been running without any problems. The webserver is not heavily loaded (load at 2-3 on average). I have made a buildworld -j 8 and it runs fine. If

Re: Big problems with 7.1 locking up :-(

2009-01-12 Thread Claus Guttesen
I am also surprised that this isn't more widely reported, as the hardware is very common. The only oddity with ym compile is that I set the CPUTYPE to 'core2' - that shouldnt have an effect, but I will remove it anyway, just so I am actually building a completely vanilla amd64. That way I

Re: Big problems with 7.1 locking up :-(

2009-01-12 Thread Claus Guttesen
It has performed a buildworld without problems and I'll be doing some buildworlds throughout the day. This is on a HP c-class-blade with 8 GB ram, 2 x quad-core and the build-in p200-controller with 64 MB ram. I've performed five buildworlds decrementing -j from 16 to 6 and I can't lock up

Re: Big problems with 7.1 locking up :-(

2009-01-12 Thread Claus Guttesen
I have similar problems. The last good kernel I have from stable brach, october the 8. Then in next upgrade, I saw big problems with performance. I tried ULE, 4BSD etc, but nothing helps, only downgrading system back. Now I am trying 7.1-p1 and problems are here again. Mysql is waiting a lot

Re: Error in make buildworld

2009-01-07 Thread Claus Guttesen
I'm a new member of this list and I have a problem when execute a make buildworld in my FreeBSD. I'm using FreeBSD user.domain.local 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #1: r...@user.domain.local:/usr/obj/usr/src/sys/GENERIC i386 I ca't help you with the error below unfortunately. You

Re: Error in make buildworld

2009-01-07 Thread Claus Guttesen
Hi Claus, thanks for return. I'm tried this steps below before send the first email and not resolve my problem =/ I notice you run a pre-release of 7.1. Did you update to the latest 7.1-release? make cleandir make cleandir rm -rf /usr/obj/* make -j6 buildworld but...the segmentation

Re: Make world builderror on 7.1-BETA2 with latest cvsup

2009-01-01 Thread Claus Guttesen
I have a compile error/problem when building world. My uname -a output is: FreeBSD barabolaptop 7.1-BETA2 FreeBSD 7.1-BETA2 #0: Thu Dec 4 20:52:35 CET 2008 r...@barabolaptop:/usr/obj/usr/src/sys/BARABOLAPTOP i386 Sync the time on your computer and try the buildworld again. --

Re: NFS Performance Issue

2008-11-26 Thread Claus Guttesen
We recently found that the Performance of the NFS Client in FreeBSD is worse than that in Linux. What OS is your nfs-server running? It's about 1/3 of NFS client in Linux. We have tuned TCP recv/send buffer, and got no gain. The mount parameters are: (We use amd)

Re: Will XFS be adopted

2008-11-19 Thread Claus Guttesen
[...] I would wait until it has been considered stable and moved into the 7-STABLE tree before deploying a production server. ZFS has been in 7 for over a year. DES Yes, it's in STABLE, however zfs module says: This module (opensolaris) contains code covered by the Common

qlogic qle2462 hba and freebsd stable on a dl360 g5

2008-11-13 Thread Claus Guttesen
Hi. I'm looking at a qlogic qle2462 hba for my dl360 g5. The thread http://www.mail-archive.com/freebsd-stable@freebsd.org/msg99497.html mentions a deadlock when system is loaded. Has this issue been resolved? Are there other PCI Express hba's which are known to work with freebsd stable and dl360

Re: error during installworld on 7.1 beta (was: error during buildworld on 7.1 beta)

2008-10-16 Thread Claus Guttesen
During installworld I get: cat /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/ncurses.3x ncurses.3 sh /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/MKterminfo.sh /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/terminfo.head

Re: error during buildworld on 7.1 beta

2008-10-15 Thread Claus Guttesen
Did a fresh FreeBSD 7.1 install using the beta on amd64 from disc1. I did a standard-install with sources, performed a csup against RELENG_7 and then a buildworld. It stops at: mv -f term.h.new term.h cc -m32 -march=nocona -mfancy-math-387 -DCOMPAT_32BIT -iprefix

Re: error during buildworld on 7.1 beta

2008-10-15 Thread Claus Guttesen
Did a fresh FreeBSD 7.1 install using the beta on amd64 from disc1. I did a standard-install with sources, performed a csup against RELENG_7 and then a buildworld. It stops at: mv -f term.h.new term.h cc -m32 -march=nocona -mfancy-math-387 -DCOMPAT_32BIT -iprefix

error during buildworld on 7.1 beta

2008-10-15 Thread Claus Guttesen
Hi. Did a fresh FreeBSD 7.1 install using the beta on amd64 from disc1. I did a standard-install with sources, performed a csup against RELENG_7 and then a buildworld. It stops at: mv -f term.h.new term.h cc -m32 -march=nocona -mfancy-math-387 -DCOMPAT_32BIT -iprefix /usr/obj/usr/src/lib32/usr/

Re: error during installworld on 7.1 beta (was: error during buildworld on 7.1 beta)

2008-10-15 Thread Claus Guttesen
During installworld I get: cat /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/ncurses.3x ncurses.3 sh /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/MKterminfo.sh /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/terminfo.head

Re: error during installworld on 7.1 beta (was: error during buildworld on 7.1 beta)

2008-10-15 Thread Claus Guttesen
During installworld I get: cat /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/ncurses.3x ncurses.3 sh /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/MKterminfo.sh /usr/src/lib/ncurses/ncurses/../../../contrib/ncurses/man/terminfo.head

Re: bad NFS/UDP performance

2008-09-29 Thread Claus Guttesen
it more difficult than I expected. for one, the kernel date was missleading, the actual source update is the key, so the window of changes is now 28/July to 19/August. I have the diffs, but nothing yet seems relevant. on the other hand, I tried NFS/TCP, and there things seem ok, ie the

Re: bad NFS/UDP performance

2008-09-29 Thread Claus Guttesen
On Mon, Sep 29, 2008 at 11:39 AM, Danny Braniss [EMAIL PROTECTED] wrote: it more difficult than I expected. for one, the kernel date was missleading, the actual source update is the key, so the window of changes is now 28/July to 19/August. I have the diffs, but nothing yet seems

Re: bad NFS/UDP performance

2008-09-26 Thread Claus Guttesen
There seems to be some serious degradation in performance. Under 7.0 I get about 90 MB/s (on write), while, on the same machine under 7.1 it drops to 20! Any ideas? Can you compare performanc with tcp? -- regards Claus When lenity and cruelty play for a kingdom, the gentler gamester

Re: How to disable NFS fnctl in /etc/fstab?

2008-09-04 Thread Claus Guttesen
For some reason we want to disable fnctl lock for NFS mounted partition. We can achieve this by the following command: mount_nfs -T -L server:/home /mnt However after several time of failure tests, we still can not make it work in /etc/fstab. According to man mount_nfs: -L Do not

Re: zfs, raidz, spare and jbod

2008-08-06 Thread Claus Guttesen
I installed FreeBSD 7 a few days ago and upgraded to the latest stable release using GENERIC kernel. I also added these entries to /boot/loader.conf: vm.kmem_size=1536M vm.kmem_size_max=1536M vfs.zfs.prefetch_disable=1 Initially prefetch was enabled and I would experience hangs but after

zfs, raidz, spare and jbod

2008-07-25 Thread Claus Guttesen
Hi. I installed FreeBSD 7 a few days ago and upgraded to the latest stable release using GENERIC kernel. I also added these entries to /boot/loader.conf: vm.kmem_size=1536M vm.kmem_size_max=1536M vfs.zfs.prefetch_disable=1 Initially prefetch was enabled and I would experience hangs but after

Re: zfs, raidz, spare and jbod

2008-07-25 Thread Claus Guttesen
I installed FreeBSD 7 a few days ago and upgraded to the latest stable release using GENERIC kernel. I also added these entries to /boot/loader.conf: vm.kmem_size=1536M vm.kmem_size_max=1536M vfs.zfs.prefetch_disable=1 Initially prefetch was enabled and I would experience hangs but after

Re: tracking -stable in the enterprise

2008-06-25 Thread Claus Guttesen
FWIW, Yahoo! tracks -stable branches, not point releases. I'm curious about this (and stealing the dead thread). How does one track -stable in an enterprise environment? I assume that what you mean is we pick points in -stable that we believe are stable enough and create a snapshot from

Re: ZFS version 8 on stable?

2008-06-13 Thread Claus Guttesen
So either I want to downgrade the zpool, or upgrade zfs on FreeBSD. Does anyone know if I'll be able to import zfs v8, or am I wasting my time? I'd prefer to follow -stable, but if I must follow -current, then golly goshkins, I'll have no choice! I don't know what the current migration

Re: possible zfs bug? lost all pools

2008-05-19 Thread Claus Guttesen
Did you run '/etc/rc.d.hostid start' first? IIRC, it is needed before zfs will mount in single-user mode. Just curious, as I've been wanting to fiddle around with ZFS in my spare time... what is the solution here if you have failed hardware and you want to move your ZFS disks to another

Re: ciss(4) not coping with large arrays?

2008-05-16 Thread Claus Guttesen
Running today's RELENG_7 (although 7.0-RELEASE has the same problem), GENERIC kernel on an amd64 and I can't seem to get a da(4) device for any arrays bigger than 2TB. In earlier releases (5 and 6 at least) you couldn't create partitions larger than 2 TB. I don't know whether work has been to

Re: Best-performing disk I/O options for a DBMS server on 7-STABLE

2008-05-08 Thread Claus Guttesen
What's the best option? Assume PCI/Express bus, having to buy a card AND disk(s) are fine. I assume SCSI is the best path forward (either SA/SCSI or traditional) but have been out of the loop on the card(s) that work properly for a good long while. What's my best option? I have a HP

Re: php5 and postgresql 8.2/8.3

2008-04-21 Thread Claus Guttesen
this problem is very old for me. it goes, at least from http://www.freebsd.org/cgi/query-pr.cgi?pr=97272 I found a workaround: you simply should set ServerName foobar.emxample in httpd.conf i don't know why missing ServerName causes coredump of apache in case of php+php_pgsql, but

Re: ZFS Bittorent - Hang?

2008-04-18 Thread Claus Guttesen
OK. I've been able to reproduce the issue. Conditions: - Stock shipped kernel and modules from RELENG 7.0 loader.conf settings: - zfs prefetch enabled - zfs zil disabled - vm.kmem_size_max=1073741824 - vm.kmem_size=1073741824 AMD64 on Core 2 Duo w/ 4 GB RAM raidz across 4

php5 and postgresql 8.2/8.3

2008-04-17 Thread Claus Guttesen
Hi. I have installed php5 with support for postgresql (php5-pgsql). If I install postgresql-client ver. 8.2.7 or 8.3.x apache (httpd) core-dumps. If I install postgresql-client 8.1.11 or 8.2.6 apache does not core-dump. This is the output (backtrace) from gdb: (gdb) bt #0 0x00080651c340 in

Re: php5 and postgresql 8.2/8.3

2008-04-17 Thread Claus Guttesen
I have installed php5 with support for postgresql (php5-pgsql). If I install postgresql-client ver. 8.2.7 or 8.3.x apache (httpd) core-dumps. If I install postgresql-client 8.1.11 or 8.2.6 apache does not core-dump. This is the output (backtrace) from gdb: (gdb) bt #0

Re: php5 and postgresql 8.2/8.3

2008-04-17 Thread Claus Guttesen
Replying to myself (and others :-) ). When compiling php5 statically with postgresql-support apache no longer core dumps. I added CONFIGURE_ARGS+=--with-pgsql to /usr/ports/lang/php5/Makefile. Not sure if this would make much of a difference in your case, but have you tried moving the

Re: NFS and /etc/exports

2008-04-15 Thread Claus Guttesen
Do you have any errors when you reboot related to nfs? LOL! I forgot to check the console at boot. Been administering all the machines remotely and you forget to do the most basic thing. *sigh* Anyways, yes there was an error when starting mountd. It takes a few seconds to start

Re: ZFS Bittorent - Hang?

2008-04-15 Thread Claus Guttesen
http://wiki.freebsd.org/ZFSKnownProblems This looks like #1. Hmm.. I don't think there's a large amount of transfer between UFS ZFS, unless the client is using /tmp a lot, it should all be on ZFS. I noted #4 as well, and therefore tried disabling prefetch. I can't seem to

Re: NFS and /etc/exports

2008-04-14 Thread Claus Guttesen
I have an issue with NFS /etc/exports file. The entry in my exports file is as below: /usr -alldirs -maproot=0:0 zerg hulk protoss terran OK just tested again, this only happens right after freshly booting 'build'. If I do kill -s HUP `cat /var/run/mountd.pid` to reread the

hp blade bl460c and FreeBSD 7.0 (amd)

2008-04-09 Thread Claus Guttesen
Hi. I found this thread http://groups.google.com/group/mailing.freebsd.current/browse_thread/thread/00f1c4f0a9f7c66c/fdd0f4ec225fc523 discussing ethernet-connectivity on the blade. I'm looking at the bl460c (xeon e5430). Is anyone using the bl460c on either a c7000 or c3000 chassis using the

Re: Latest stable release

2008-04-05 Thread Claus Guttesen
Kindly send information regarding FreeBSD STABLE version and from which site i can download all ISO cDs . You can take a look at freebsd.org, especially freebsd.org/where.html. -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner.

Re: Don't recognizing SMP...

2008-03-31 Thread Claus Guttesen
I installed FreeBSD 7.0 on HP DL 380. As you saw this result, it is not recognized as 2 CPUs. it recognized Only one CPU... If this is a DL380 G2 you may have to enable smp by choosing either windows, solaris or linux as os from bios before you get both cpu's. -- regards Claus When

Re: freebsd 7 and areca controller

2008-03-28 Thread Claus Guttesen
The id's are in the source so I expect it should just work. PCIDevVenIDARC1680 Areca support on FreeBSD has been very good, they are our RAID supplier of choice. I've just added the card to the manpage, thanks for the notice! Thank you! I've also got it confirmed from Areca

freebsd 7 and areca controller

2008-03-26 Thread Claus Guttesen
Hi. I'm looking at deploying a freebsd 7-release server with some storage attached to an areca ARC-1680 controller. But this card is not mentioned in 'man 4 arcmsr' (http://www.freebsd.org/cgi/man.cgi?query=arcmsrsektion=4manpath=FreeBSD+7.0-RELEASE). Areaca's website does mention freebsd as a

Re: HP ProLiant DL360 G5 success stories?

2008-03-12 Thread Claus Guttesen
What I'm looking at is a DL360 G5, probably with one E5335 (quad 2.0) and 4G of RAM and 4x 146Gb SAS disks on the Smart Array P400i card. I've googled and looked through the list archives trying to find success stories/problem reports using FreeBSD on this box, but haven't found very

garbled message from p800-controller

2008-01-17 Thread Claus Guttesen
Hi. I've upgraded to FreeBSD stable as of Jan. 16'th 2008, doen a make world/kernel. The server is a DL360 G5 with a builtin p400i controller and a p800 controller as well. Upon boot I get a garbled dmesg from the p800 controller: da1 at ciss1 bus 0 target 0 lun 0 dSaM1P:: APC OCMPPUA Q# R1A

Re: Performance! [SOLVED]

2008-01-11 Thread Claus Guttesen
I have read all related threads about performance problems with multi core systems but still have no idea what to do to make thinks better. Below are results of testing postgresql on HP DL380G5 using sysbench. The results are comparable to:

Re: SMP on FreeBSD 6.x and 7.0: Worth doing?

2007-12-22 Thread Claus Guttesen
I will need to build several Web caches over the next few months, and just took advantage of the Christmas lull (and a snowy day, when I couldn't work outside) to test FreeBSD 7.0 BETA 4 to see how it will perform at this task. I built up a 4 core FreeBSD box, and asked a friend who's a Linux

Re: SMP on FreeBSD 6.x and 7.0: Worth doing? [EMAIL PROTECTED]

2007-12-22 Thread Claus Guttesen
It appears, though I'd need to instrument the code more to be sure, that the slowdown is coming from file I/O. Could it be that there less concurrency or more overhead in FreeBSD file operations than there is in Linux? Even with SoftUpdates turned on, the cache volume mounted with

Re: Performance!

2007-12-20 Thread Claus Guttesen
I have read all related threads about performance problems with multi core systems but still have no idea what to do to make thinks better. Below are results of testing postgresql on HP DL380G5 using sysbench. The results are comparable to:

Re: Also seeing 2 x quad-core system slower that 2 x dual core

2007-12-07 Thread Claus Guttesen
Just as a followup to this - I soent some time going through all the suggestions and advice that people gave me regarding this problem. It turns out that the newer servers shipped by HP have different cache settings to the older ones on their RAID controllers, plus I get very different

Re: 4.x Collecting pv entries Suggest increasing PMAP_SHPGPERPROC,

2007-12-07 Thread Claus Guttesen
I know FreeBSD 4.x is old..., but we are using on a production system with postgres and apache. The above message is appearing periodically. I googled for the message but found no recommendation for adjusting it. Is the sysctl kern.vm.pmap.shpgperproc available on 4.x? This can be configured

Re: 4.x Collecting pv entries Suggest increasing PMAP_SHPGPERPROC,

2007-12-07 Thread Claus Guttesen
But you can put that option into the kernel config file: options PMAP_SHPGPERPROC=... and build a new kernel with it. You are correct. My question is more how much should I increase it. The current default in the 4.x LINT file is options PMAP_SHPGPERPROC=201 should I double it?

Re: Anyone else seeing this on a make release of 7?

2007-12-05 Thread Claus Guttesen
cc -Os -pipe -Wsystem-headers -Werror -Wall -Wno-format-y2k -W What happens if you revert to default optimization to -O2? -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare ___

Re: Also seeing 2 x quad-core system slower that 2 x dual core

2007-11-30 Thread Claus Guttesen
Yes, if the claim is that the hardware is absolutely identical apart from one having two quad-core CPUs instead of two dual-core, the next step is to disable half of the CPUs and confirm that the problem goes away. Just comming back to this today, will do a side by side compare of the

Re: Also seeing 2 x quad-core system slower that 2 x dual core

2007-11-29 Thread Claus Guttesen
I think I also just came up against the same effect that the original poster saw. I have two sets of machines here - one is a pair of dual core Xeons, the other a pair of quad core Xeons. They are HP servers, more or less identical apart from the processors I belive. Both have 7.0-BETA3

Re: Also seeing 2 x quad-core system slower that 2 x dual core

2007-11-29 Thread Claus Guttesen
ULE- or 4BSD-scheduler? 4BSD - am just running GENERIC on both system. Should I try ULE? ULE has shown several improvements compared to 4BSD with more than one cpu. It's worth trying but may not improve the rm-rimes. Bit OT: Are the servers DL360 or DL380 (G5)? I will upgrade a DL380

Re: Also seeing 2 x quad-core system slower that 2 x dual core

2007-11-29 Thread Claus Guttesen
Thing is that GENERIC as installed out of the box should not take two minutes to delete a gig of files off a 15k RPM SAS drive! especially not when identical hardware with half the number of processor cores only takes eleven seconds to do the same job. Something is wrong somewhere if doubling

Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD

2007-11-20 Thread Claus Guttesen
Thank you for your research. I think you can get more %sys with 4-core processors. For me 2xquad-core systems are now completely unusable as PHP backends. I am getting very alarmed by this discussion as we just took delivery of ten 2x quad core systems to be deployes as heavy webservers

Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD

2007-11-20 Thread Claus Guttesen
FWIW, we are seeing 2 x quad-core 2.66GHz outperform (per core) 2 x dual-core 3GHz on the same type of m/b, apparently because of better bandwidth to memory. However, this is on a compute-intensive workload running 1 job per core so would be pretty insensitive to scheduler/locking

Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD

2007-11-20 Thread Claus Guttesen
The issue in this thread is not if they are fast, but could they be made faster by shortening sys time :) Yes, I'm aware of that. :-) The comment was related to the former mail where some uncertainty came along when he read this thread. (btw. what is your sys time under stress?) I'll take a

Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD

2007-11-19 Thread Claus Guttesen
On Nov 19, 2007 2:32 PM, Alexey Popov [EMAIL PROTECTED] wrote: Hi. I have a large pool of web backends (Apache + mod_php5) with 2 x Xeon 3.2GHz processors and 2 x Xeon 5120 dual-core processors. The workload is mostly CPU-bound. I'm using 6-STABLE-amd64 and also tried 7-STABLE. Now I'm

Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Claus Guttesen
I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for my servers. To what should I upgrade? Which of them will be stable or production release? I'm deploying FreeBSD 7 on my webservers, because they are loadbalanced. But I will not deploy ver. 7 on my db-server until I get to ver.

impressive buildworld time

2007-11-14 Thread Claus Guttesen
Hi. Just installed a new DL360 with 8 cores at 2.33 Ghz and 8 GB ram and 15K rpm sas-disks. When I installed the beta2 from cd 'make -j 9 buildworld' took approx. 20 min. After a recompile of userland and kernel and switch to ULE it went down to: World build completed on Wed Nov 14 17:44:08 CET

Re: Harddisk failure causes system crash, please help

2007-11-08 Thread Claus Guttesen
I have been using this laptop for a few months now with FreeBSD without any problems with the hard disk however today as I installed editors/vim the system crashed (without a core dump or any message). When ever the system boots (and proceeds to do a fsck on ad0e (/usr)) it also crashes

Re: Best way to use more that 4 gigs of memory ?

2007-11-04 Thread Claus Guttesen
1) amd64 kernel + 64 bit processes 2) amd64 kernel + 32 bit processes 3) i386 kernel with PAE and 32 bit processes I was initially thinking that option 1 was the best, but benchmarking it the programs take 3 times longer to run that option 2! This astounds me and I intend to investigate

Re: can I do 6.1-RELEASE to 6.2 via cvsup

2007-10-15 Thread Claus Guttesen
I should just be able to change the TAG in standard-supfile from 6_1 to 6_2, do a cvsup, and the builds etc to end up with 6.2-RELEASE right? yes? no? Yep: 1. make buildworld 2. make buildkernel (add KERNCONF=mykernel to /etc/make.conf) 3. mergemaster -p 4. make installkernel 5. shutdown -r

Re: Panic with RELENG_6_2 on DELL PE 4600 with PAE

2007-10-04 Thread Claus Guttesen
Why would there be no space when I have 24GB of memory? 1. Any process, including the kernel can only allocate up to 4 GB of memory on a 32-bit system (since a 32-bit integer can only hold that many values) 2. The kernel is further constrained so the user programs can get enough memory 3.

Re: [OT] Which one is best MTA for me?

2007-08-28 Thread Claus Guttesen
Recently I am considering to move to another MTA. At one time I was wondering what mail server big ISP are running. I can't decide postfix or qmail. Which one is best MTA for me? I've been using postfix since it was called vmailer. -- regards Claus When lenity and cruelty play for a

Re: large RAID volume partition strategy

2007-08-20 Thread Claus Guttesen
If you want to avoid the long fsck-times your remaining options are a journaling filesystem or zfs, either requires an upgrade from freebsd 6.2. I have used zfs and had a serverstop due to powerutage in out area. Our zfs-samba-server came up fine with no data corruption. So I will

Re: large RAID volume partition strategy

2007-08-17 Thread Claus Guttesen
I have a shiny new big RAID array. 16x500GB SATA 300+NCQ drives connected to the host via 4Gb fibre channel. This gives me 6.5Tb of raw disk. I've come up with three possibilities on organizing this disk. My needs are really for a single 1Tb file system on which I will run postgres.

Re: postfix not starting

2007-08-10 Thread Claus Guttesen
This is a newly installed stable machine, cvsupped and rebuilt this weekend. I have installed postfix with amavisd-new and clamav. They are all set for startup in /etc/rc.conf and sendmail is appropriately marked out, I have set up quite a few of these in the recent past. I assume it's

Re: UFS2 optimization for many small files

2007-07-01 Thread Claus Guttesen
We're going to build a server with some 1Tb of over 500 million small files with size from 0,5k to 4k. I'm wonder if the ufs2 can handle this kind of system well. From newfs(8) the min block size is 4k. This is not optimal in our case, a 1k or 0,5k block is more effective IMHO. I'd be happy if

Re: UFS2 optimization for many small files

2007-07-01 Thread Claus Guttesen
approx. 15 partitions ranging from 400 GB to 2 TB in size. If the server for some reason had crashed the webservers were unable to the question is about the reason it crashed... access the nfs-mounted partitions during the period the server did a snapshot of a partition, in order to

Re: UFS2 optimization for many small files

2007-07-01 Thread Claus Guttesen
Try zfs on amd64 unless your app doesn't work well with zfs or your does zfs have RELIABLE and USABLE software allowing to efficiently backup large filesystems to other media? (DVD's, tapes, other hard discs) Zfs has send/receive where you can do snapshots and send them to a different host.

Re: mounting Solaris 10 NFS share

2007-06-01 Thread Claus Guttesen
I'm trying to mount a Solaris 10 NFS share from my FreeBSD 6.2-STABLE machine and I'm having some permissions problems. Here's my /etc/dfs/dfstab file on Solaris 10. share -F nfs -o rw=spark -d generic /export/home/mush and the line in /etc/fstab on FreeBSD: 192.168.0.26:/export/home/mush

Re: updating xorg-libraries 7.2 to 7.2.1

2007-05-27 Thread Claus Guttesen
xorg 7.2 was installed on this system from scratch, ie no ports to start with. Creating the /usr/X11R6 - /usr/local symlink is necessary, even on a system with xorg 7.2 installed from scratch. The presence of that symlink will stop the xorg-libraries port whinging at you. I did a clean

Re: network performance 6.1 stable vs 4.9

2007-05-25 Thread Claus Guttesen
We have a network appliance that is currently based on 4.9. We are in the process of releasing a new version based on 6.1 stable. In our testing using nttcp thru the appliance we see insignifant difference in thruput between the 2 versions in a controlled environment - aproximately 94mbs on a

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