From: Scott Battaglia [mailto:scott.battag...@gmail.com] Sent: Wednesday, August 7, 2013 2:59 PM To: cas-user@lists.jasig.org Subject: Re: [cas-user] fault-tolerant/redundant/HA CAS deployment
You do realize you will have to configure and tune any solution :-) Before comparing solutions, I would recommend defining your requirements and your tolerance for failure (if you have not). For example, Is it acceptable that if a node (that has > 99.9% uptime) goes down, a user must re-authenticate? Is that extra .1 worth whatever the cost? I can't answer that for you. What are your SLAs? (I don't know if anyone has done an EhCache vs. Memcache load test?) What we're planning for scheduled maintenance, is using memcached-tool to push a given server's cache to another server before shutting it down for maintenance... something as simple as this.. ./memcached-tool localhost dump | nc <otherhost> 11211 - Aaron --- Aaron Bennett Manager of Systems Administration Clark University ITS W:508.793.7315 -- You are currently subscribed to cas-user@lists.jasig.org as: arch...@mail-archive.com To unsubscribe, change settings or access archives, see http://www.ja-sig.org/wiki/display/JSG/cas-user
