Re: Java performance on AMD64

2007-04-20 Thread Michael Vince
Kris Kennaway wrote: On Thu, Apr 19, 2007 at 12:32:53PM +1000, Michael Vince wrote: Hey All, I been benchmarking Diablo Java under AMD64 on 6.2R and using the same methods I posted a while ago detailed somewhat here http://lists.freebsd.org/pipermail/freebsd-java/2006-August/005576.html

Java performance on AMD64

2007-04-18 Thread Michael Vince
Hey All, I been benchmarking Diablo Java under AMD64 on 6.2R and using the same methods I posted a while ago detailed somewhat here http://lists.freebsd.org/pipermail/freebsd-java/2006-August/005576.html The difference here is that libthr now works under Amd64. But it appears libthr to be about

Re: WHT thread: FreeBSD vs. CentOS

2007-02-07 Thread Michael Vince
Scott I. Remick wrote: Just wanted to give those on the list a heads-up about this thread over on WebHostingTalk: http://www.webhostingtalk.com/showthread.php?t=563624 It's been going on a few months now. Apparently a number of webhosts are finding poor FreeBSD performance when compared with C

Re: Help with improving mysql performance on 6.2PRE

2006-10-06 Thread Michael Vince
Yeah the static compiling recommendations by MySQL documents are really more a linux thing more then anything else. The other other thing to check is to make sure you use larger buffer settings I recommend the large-my.cnf cp /usr/local/share/mysql/my-large.cnf /var/db/mysql/ Then restart MySQL.

Re: AMD64 Diablo 1.5 JDK and libthr

2006-08-01 Thread Michael Vince
Massimo Lusetti wrote: On 8/1/06, Michael Vince <[EMAIL PROTECTED]> wrote: libc_r average hits per minute: 8,841 libc_r session average:4,481 libc_r transactions per minute: 2,947 libthr average hits per minute: 9,020 libthr session average: 4,380 libthr transactions per minute:

Re: AMD64 Diablo 1.5 JDK and libthr

2006-07-31 Thread Michael Vince
Greg Lewis wrote: On Wed, Jul 26, 2006 at 10:32:38AM +1000, Michael Vince wrote: Greg Lewis wrote: On Mon, Jul 24, 2006 at 05:57:24PM +1000, Michael Vince wrote: I just ran it for you now, lower then the others. libc_r average hits per minute: 6,859 libc_r session average

Re: MySQL 5.0.22 , FreeBSD 6.1-STABLE: Benchmark

2006-07-03 Thread Michael Vince
David Xu wrote: Michael Vince wrote: Hugo Silva wrote: Today I decided to benchmark MySQL 5 performance on FreeBSD 6.1-STABLE. This server is a Dual Xeon 2.8GHz, 4GB of RAM and 2x73GB SCSI disks that do 320MB/s For all the tests, I restarted mysqld prior to starting the test, waited

Re: MySQL 5.0.22 , FreeBSD 6.1-STABLE: Benchmark

2006-07-03 Thread Michael Vince
Hugo Silva wrote: Today I decided to benchmark MySQL 5 performance on FreeBSD 6.1-STABLE. This server is a Dual Xeon 2.8GHz, 4GB of RAM and 2x73GB SCSI disks that do 320MB/s For all the tests, I restarted mysqld prior to starting the test, waited for about 1 minute for it to settle down, an

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

2006-06-27 Thread Michael Vince
Greg 'groggy' Lehey wrote: On Tuesday, 27 June 2006 at 10:18:47 +0800, leo huang wrote: Hi, I benchmarked MySQL 4.1.18 on FreeBSD 6.1 and Debian 3.1 using Super Smack 1.3 some days ago. ... The result surprise me. The MySQL Performance on FreeBSD6.1 is about 10 times of on Debian3.1??and

Re: Gigabit ethernet very slow.

2006-06-26 Thread Michael Vince
Nikolas Britton wrote: On 6/25/06, Nikolas Britton <[EMAIL PROTECTED]> wrote: On 6/25/06, Sean Bryant <[EMAIL PROTECTED]> wrote: > /dev/zero not exactly the best way to test sending data across the > network. Especially since you'll be reading a 8k chunks. > > I could be wrong, strong possibil

Re: (Another) simple benchmark

2006-05-19 Thread Michael Vince
Ivan Voras wrote: Michael Vince wrote: Interesting that the linux you are claiming to use would use prefork Apache as default, while this is the default on FreeBSD I would think the threaded worker would be used on a lot of linux dists, since they don't have the option to easily rebui

Re: (Another) simple benchmark

2006-05-19 Thread Michael Vince
Interesting that the linux you are claiming to use would use prefork Apache as default, while this is the default on FreeBSD I would think the threaded worker would be used on a lot of linux dists, since they don't have the option to easily rebuild it. Even if it is using prefork, the Linux Apa

Re: Dual-core CPU vs. very large cache

2006-04-25 Thread Michael Vince
Yes I was going to point out a article from Anandtech as well. Its an older one but someone on Anandtech is a SQL performance article benchmarking different server CPUs on Database performance. It concluded that large CPU cache is very important for Databases. Basically said having a large CPU

Re: mysql performance on 4 * dualcore opteron

2006-04-20 Thread Michael Vince
Michael Vince wrote: I just ran a test on 6_stable (April 5th) on a Dell 2850 dual CPU (single core 3.60GHz) using the AMD64 build of FreeBSD and got similar speeds as you. Its interesting how Sven could have 8 cores with what appears to be less MySQL speed then just having a few cores. After

Re: mysql performance on 4 * dualcore opteron

2006-04-08 Thread Michael Vince
David Xu wrote: ÔÚ Thursday 06 April 2006 17:12£¬Michael Vince дµÀ£º I have also done benchmarking with libthr against Apache using 'ab' and found it can deliver an extra amount of megabytes/sec of data (I think it was about an extra 2000/requests sec) at the cost of giving t

Re: mysql performance on 4 * dualcore opteron

2006-04-06 Thread Michael Vince
I just ran a test on 6_stable (April 5th) on a Dell 2850 dual CPU (single core 3.60GHz) using the AMD64 build of FreeBSD and got similar speeds as you. Its interesting how Sven could have 8 cores with what appears to be less MySQL speed then just having a few cores. After enabling libthr it does

Re: packet drop with intel gigabit / marwell gigabit

2006-03-19 Thread Michael Vince
I use netperf which is a pure network traffic tester I also just use basic 'ab/apache' tests which would also test HD/IO if getting large files. For the 'em' driver I have seen some posts/cvs commit updates to the driver saying it now works better without polling then with polling. I think this

Re: mysql performance tuning @ FreeBSD6

2006-01-26 Thread Michael Vince
Joao Barros wrote: On 1/26/06, Mike Jakubik <[EMAIL PROTECTED]> wrote: Rich Murphey wrote: I'm curious whether Robert's patch might have an effect on samba3 performance as well. No real difference here, tried ACPI-fast, i8254, and TSC. :( My transfers still average at 10MB/s (a

Re: Benchmark MySQL Performance On FreeBSD And Linux

2006-01-04 Thread Michael Vince
Chris wrote: On 01/01/06, Michael Vince <[EMAIL PROTECTED]> wrote: huang leo wrote: Hi, all: We had evaluated MySQL performance on FreeBSD and Linux. The result is attached. We are longing for your feedbacks! Best regards, Leo Huang Really good work. I gav

Re: Benchmark MySQL Performance On FreeBSD And Linux

2006-01-01 Thread Michael Vince
huang leo wrote: Hi, all: We had evaluated MySQL performance on FreeBSD and Linux. The result is attached. We are longing for your feedbacks! Best regards, Leo Huang Really good work. I gave your results some thought and was thinking that maybe you should check to see if you reached the

Re: Benchmark MySQL Performance On FreeBSD And Linux

2005-12-29 Thread Michael Vince
Chris wrote: Make sure your compile your MySQL dynamically which is done by default, if you include 'BUILD_STATIC=yes' you ruin your ability to change threading libs. portupgrade -N -m 'BUILD_OPTIMIZED=yes' /usr/ports/databases/mysql41-server Or upgrade portupgrade -R -m 'BUILD_OPTIMIZED=yes'

More threads

2005-12-06 Thread Michael Vince
Hi All, I been benchmarking a Java servlet I have created and I want to be able to handle a massive amount of simultaneous connections. So far using benchmarking tools I have been able to get around 2,565 threads on the Tomcat 5.5 Java process (with native 1.4.2 Java) according to ps -auxwH |

Re: new benchmarks. WAS: FreeBSD MySQL still WAY slower than Linux

2005-12-01 Thread Michael Vince
It would be good to actually see the Linux performance on the exact same hardware, all we ever see is how it is on FreeBSD. MySQL has very frequent use of queries of the system time and is well known in FreeBSD to be slower because its more expensive to call compared to Linux, which has less p

Re: Poor Samba throughput on 6.0

2005-11-08 Thread Michael Vince
Joao Barros wrote: Hi, Last month I started a thread[1] on current@ about this, but I guess I should have done it here, my apologies for that. After my initial post I did some more testing and I'm going to start clean here with all my findings :) I started with Samba 3 installed on a PIII 733

Re: SATA: RAID 5 controller recommendations

2005-11-02 Thread Michael VInce
works fast for me but when I turn SMP on read performance drops 50%+ (raid1,raid5,raid10 and single volumes). I don't know if its aac problem or what. In leenox it works very well though. Yours Markus Kovero [EMAIL PROTECTED] wrote: At 09:17 PM 11/2/2005 +1100, Michael VInce wrote: | Fo

Re: SATA: RAID 5 controller recommendations

2005-11-02 Thread Michael VInce
[EMAIL PROTECTED] wrote: At 07:29 AM 11/2/2005 -0500, Mike Tancsa wrote: | At 05:47 AM 02/11/2005, Achim Patzner wrote: | >>For SATA I have always been getting the Dell 750s (now 850s) which | >>use the 'aac' | >>Adaptec AdvancedRAID Controller driver, do 'man aac' for more details. | > | >Did y

Re: SATA: RAID 5 controller recommendations

2005-11-02 Thread Michael VInce
For SATA I have always been getting the Dell 750s (now 850s) which use the 'aac' Adaptec AdvancedRAID Controller driver, do 'man aac' for more details. Dell supply them with a 64meg cache and are hardware raid, I have always just installed FreeBSD on them and only 1 hard drive comes up as RAID

Re: changing max_connections in postgresql on FreeBSD 5.4

2005-08-07 Thread Michael VInce
Hi, I have done all my Postgres optimization configuration via sysctl or the postgresql.conf no kernel recompilation was performed. I did benchmarks at complete default FreeBSD / Postgres configuration and benchmarks after. I found raising the values to probably not much more then 1/4 of what

Re: FreeBSD MySQL still WAY slower than Linux

2005-07-29 Thread Michael VInce
ut MySQL performance, oh well, I guess there was something else building up in my mind that felt like coming out. My rant is complete. Thank you. Michael Vince wrote: I tried some benchmark testing on a Dell 1850 5.4-Release-P2 with generic kernel. From what I have seen from your postings I

Re: FreeBSD MySQL still WAY slower than Linux

2005-06-28 Thread Michael Vince
lect_index10 7 0 13398.76 For me this is as fast as I need my database to be but I can understand there is a difference here between FreeBSD and Linux that would make you prefer it as the db OS choice. Regards, Mike Steve Roome wrote: On Sun, Jun 26, 2005 at 12:06:41AM +1000, Mic

Re: FreeBSD MySQL still WAY slower than Linux

2005-06-25 Thread Michael Vince
Your posting a lot of configuration here except the most easily important one for performance in MySQL, thats your my.cnf configuration file You will more then double your performance if you just start off by copying /usr/local/share/mysql/my-large.cnf to /var/db/mysql MySQL out of the box setup

High usage of mbufs

2005-05-28 Thread Michael VInce
Hi guys On one of my web servers I have a really high usage of mbuf clusters in use on a web server that does about 3million hits a day. 4294914731/262144 mbuf clusters in use (current/max) Does any one know why this is? I was thought it may of been hit by a small syn flood that went un noticed