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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: 回复:Suggestions for Interesting Tomcat-related presentations at ApacheCONNA 2013
Date Fri, 12 Oct 2012 14:11:55 GMT
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真实的力量,

On 10/11/12 9:25 PM, 真实的力量 wrote:
> Is there any topic difference  between tomcat cluster and user
> proxy to load balance tomcat(such as nigix)

Well, Tomcat clustering is kind of a separate thing from using a
reverse proxy because all the clustering configuration is done at the
Tomcat level and mainly centers around member management and session
replication.

Reverse-proxies like nginx, Apache httpd, IIS, Amazon ELB, etc., are a
required piece of the puzzle to make clustering worthwhile, of course.
Their configuration mainly centers around maintaining cluster
membership (though completely different means than Tomcat's
membership) including optional session stickiness, and mapping URLs to
various backend services (if you have more than one, for instance).

I suppose I could give a presentation about clustering Tomcat if there
were sufficient interest, but that would mean I'd have to learn how to
configure Tomcat clustering in the meantime -- I've never actually
done it (nor do I care to: formal clustering is a complete mess that
can largely be avoided by making different architectural decisions
about your webapps).

Thanks,
- -chris
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