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From Rainer Jung <rainer.j...@kippdata.de>
Subject Re: mod_jk failover and preferring localhost
Date Mon, 03 Jul 2006 16:58:15 GMT
The new attribute distance will help you. It was first implemented for
version 1.2.16, which is in the process of being released (see my other
answer).

Please test and let us know your results.

thuss2 schrieb:
> We have 10 web servers with Tomcat's running on them and a mod_jk
> configuration to prefer the tomcat on localhost and only failover to another
> machine if the local one fails. This worked fine under our older mod_jk,
> however, we just upgraded to 1.2.15 and now it that the local_worker
> properties are no longer supported, it's load balancing every request.
> 
> So I checked out the workers.properties options page:
> http://tomcat.apache.org/connectors-doc/config/workers.html and noticed the
> new distance option so that I can give localhost a distance of 0 and
> everything else a greater distance so that the load balancer should always
> prefer localhost. However, it seems to be ignoring the distance property
> completely and load balancing every request. Can anyone suggest what I might
> try to get it to always use the local tomcat for requests unless it fails:
> 
> worker.list=tomcat
> worker.tomcat.type=lb
> worker.tomcat.socket_timeout=195
> worker.tomcat.balance_workers=localhost,latin1,latin2,...
> worker.tomcat.sticky_session=False
> 
> worker.localhost.port=8009
> worker.localhost.host=localhost
> worker.localhost.type=ajp13
> worker.localhost.lbfactor=1
> worker.localhost.distance=0
> 
> worker.latin1.port=8009
> worker.latin1.host=latin1
> worker.latin1.type=ajp13
> worker.latin1.lbfactor=1
> worker.latin1.distance=1
> 
> worker.latin2.port=8009
> worker.latin2.host=latin2
> worker.latin2.type=ajp13
> worker.latin2.lbfactor=1
> worker.latin2.distance=1
> 
> Thanks,
> Todd
> 
> --
> View this message in context: http://www.nabble.com/mod_jk-failover-and-preferring-localhost-t1825380.html#a4979143
> Sent from the Tomcat - User forum at Nabble.com.
> 
> 
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