On Tue, Jan 3, 2012 at 11:36 AM, Marvin Addison <marvin.addi...@gmail.com>wrote:
> > Registries generally don't need the durability that comes with RDBMS, > > and unless you are already outfitted with clustered RDBMS tech and the > > resources to management it, the complexity is likely not worth the > > trouble. > > I've really warmed up to that view. The use of "Remember Me" might be > a counter argument, but as I said we don't use it and don't plan to in > the foreseeable future. > The amount of durability needed is specific to an institution, which is why we support multiple ticket registries. Changes have been made in the cas4-api branch to make ALL registries perform better with less issues (that includes all of the ones that use serialization such as Ehcache). Cheers, Scott > > > given the proliferation of hardware virtualization and the > > redundancy and vertical scaling they often provide, my default > > recommendation is a single node CAS deployment with in-memory Ticket > > Registry and active/passive configuration for disaster recovery. > > The point about virtualization pretty much invalidates the argument > about active-active setups making more efficient use of resources. > (The consideration of the cost of system administration/patching on > hosts that are unused 99.9% of the time may yet be fair.) > > > For situations that insist on a multi-node CAS deployment, my default > > would be to go with a distributed in-memory Ticket Registry like > > Ehcahce. > > The use of Terracotta underneath a distributed Ehcache instance is the > showstopper for me. It smelled of magic and mystery in my brief > experience with it, which are smells I associate with headaches in > production. > > I'm heavily leaning toward memcached. (Sans repcache if it matters.) > > M > > -- > You are currently subscribed to cas-dev@lists.jasig.org as: > scott.battag...@gmail.com > To unsubscribe, change settings or access archives, see > http://www.ja-sig.org/wiki/display/JSG/cas-dev > -- You are currently subscribed to cas-dev@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-dev
