On Sun, 15 Jan 2012, Fernando Correa wrote:
Hi to everyone.
I'm looking to implement CAS working in a HA environment. It looks like
memcached is a simple solution to provide this. I read a lot about it
and I have some doubts.
1) If a node fails, we still need to work with another one, without
authenticate users agains. Is repcached the solution for this?
We use repcached here for that reason.
2) I made a little test with this. I generated some STs from node 1
(ST-1, ST-2, ...). I stopped node 1, and I generated some STs from node
2. The nodes where named ST-1, ST-2, .... Every node names their tickets
in that way (ST-1, ST-2, ...)?
Each node makes tickets that begin with ST-###. You should also set the
host.name property in your cas.properties file. Service Tickets will get
the name appended then, for uniqueness (ST-###-abc123-hostname).
3) With memcached in the middle, could I see the tickets stats in the
console (both nodes will show the same information)?
I'm not sure what you mean. If you have a way to view the memcache cache,
then you should see all of the tickets.
4) Do I have to change something in the client when I used this
solution?
Nope. CAS clients work the same as usual.
Andy
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