Hello,


I have a couple questions regarding the new multi-server session storage
engine.





"We are using this particular feature in the cloud, using Mongo as our
session storage engine, and it rocks."





I was reading on the doc page:



http://www.openbd.org/manual/?/app_application_cfc



Mongo DB Configuration



More efficient than Memcached is the MongoDB storage engine. Sessions are
loaded and saved to remote Mongo DB servers (configured in a replic or
sharded set). Sessions that have not changed, are efficiently handled as to
not incur the overhead of always moving data around. With the Mongo DB
connection URI, you can specify the Mongo database to use, though it
defaults to 'openbd' with the collection 'sessions'.





Before I go any further I should explain what my project is going to be:



Implement load balancing for our website.  For starters it will be two web
servers.  When it is time to do maintenance on the servers, We will have
three servers so one of them can be rebooted and we still have two servers
available at one time.  Right now we are currently operating on one web
server.





My thinking if the mongodb is going to be used for session storage, why not
have mongoDB installed on each machine rather than having separate servers
for the mongoDB.



The machines would have enough memory to handle the dbs.



Thoughts?  Pros? Cons?



Thanks!



Randy

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