[Spread-users] Story for sysadmin magazine

George Schlossnagle george at omniti.com
Fri Oct 4 14:44:22 EDT 2002


Very cool.

Some comments:

Real time priority sceduling is available on linux as well.  There is a 
perl toolkit for doing so on
http://www.omniti.com/~george/mod_log_spread/Scheduler-Linux.tar.gz

An example of a mod_perl module to duplicate mod_log_spread 
functionality might be nice if you have one (and if not, I can 
contribute a perl implementation to CPAN for reference).

There are some serious idiosynchrocies when running spread in multicast 
mode on Linux (i your mcast routes aren't set up correctly, your rings 
will run severely degraded).  Mentioning that might be nice, and/or 
mentioning how to set it up in broadcast mode (which avoids those problems).

George

John David Duncan wrote:

>The January 2003 issue of Sysadmin magazine will be dedicated to the topic
>of Open Source.  I submitted an article about using Spread and spreadlogd
>in a web server cluster, and the magazine has tentatively accepted it.
>
>I have put a draft of the manuscript up at
>http://bicycle.efn.org/spread-story.txt and will leave it up there for
>about a week... so if anyone here would like to make any suggestions or
>corrections, I'll try to get them in to the magazine.
>
>- JD
>
>
>
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