CPU Benchmark Results

November 29th, 2008

Today i will post some CPU Benchmark results. Benchmark was performed using ubench. I know that it’s not ideal CPU benchmarking tool, main idea was to get some relative results. Benchmark was done on different servers models, from DELL PowerEdge 860 to 2950. Following CPU’s used:

  • Dual Core Xeon 3050
  • Dual Core Xeon 5110
  • Quad Core Xeon L5320
  • Quad Core Xeon X3220
  • Quad Core Xeon E5420

Here is test results:
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Problems migrating ejabberd database to another server

November 22nd, 2008

Such simple task, like moving ejabberd from one server to another, costs me about one hour of time. Moving procedure very good described here, and everything goes smoothly, untill i get following error:

RPC failed on the node restore: nodedown

I have read a lot of docs, blogs, etc. There was some references regarding ejabberdctl tuning on FreeBSD, but unfortunately without any details. And i have found solution myself.

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Problem compiling GeoIP PHP extension on FreeBSD

April 4th, 2008

Well, here is another app compatibility problem.

Recently I got task to build GeoIP PHP extension. Usually i use mod_geoip, but this time some strange app required PECL extension.

So, i got following error while configure process:

configure: error: wrong geoip lib version or lib not found

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Problems compiling Apache 2.2.6 on FreeBSD 6.2

October 6th, 2007

Trying to update one of Apache installations got following error:

[...]
/usr/local/src/httpd-2.2.6/srclib/apr-util/libaprutil-1.la -lexpat -liconv /usr/local/src/httpd-2.2.6/srclib/apr/libapr-1.la -lcrypt -lpthread
/usr/bin/ld: cannot find -lexpat

Thats amazing because i never had any problems with pure apache custom builds. I have checked if system had expat installed and …
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mpt0: QUEUE FULL EVENT on DELL/SAS 5iR

September 6th, 2007

Just got first AMD based DELL to make some performance and power consumption tests. Test results is a subject for next article, here comes some notes about issues with SAS 5iR controller.

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MPPC compression for FreeBSD

August 1st, 2007

Alexander Motin has implemented replacement for proprietary MPPC library. Code based on Jan Dubiec Linux patches.
But due to patent restrictions this code can’t be included to system tree. You can try it on your own risk.

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