On 26/08/2010 15:03, André Warnier wrote: > Luca Gervasi wrote: >> On Wed, 2010-08-25 at 10:50 -0300, Fernando Morgenstern wrote: >>> Hi, >>> >>> I have a Tomcat cluster environment with 4 servers. I was wondering >>> that is the best way to deploy an application on 4 servers at the >>> same time. >>> >>> At a first moment, i thought about having a script that would copy >>> war files to all servers using rsync. Basically i upload the war file >>> to the first server and them use this script to copy to other tomcat >>> servers. >>> >>> Could you share your experience with this kind of environment? Is >>> this the best way to deal with deployment? >>> >>> Thank you, >>> >>> Fernando M. Morgenstern >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >>> For additional commands, e-mail: users-h...@tomcat.apache.org >>> >> >> In such enviroment i think that you should deploy once in the NAS/SAN (i >> mean, unpack the war) and use the shared filesystem in ro in each >> istance. >> >> Btw i'm pretty interested in more answers :) >> > And I believe that this is bad advice (but I am also willing to be > contradicted).
Nope. You're right, it's a really bad idea. Hosts, let alone servers, should not share an appBase. p > Suppose you do this, and one Tomcat notices and starts redeploying the > application. > What about the other ones which are in the process of serving requests, > and would suddenly find a missing or changed servlet under their nose ? > At least, you would need some kind of mechanism to tell all Tomcats : > wait a minute, do not process any more requests to this application > while it is being redeployed, no ? > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org >
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