Re: [infinispan-dev] TotalOrder and jgroups

>> +1 - I've started doing that and it's an ugly business. >> >> Here's another approach: >> - all jgroups configs shipped with ISPN come with the SEQUENCER added >> - by default all messages have NO_TOTAL_ORDER flag attached >> - RpcManager.invoke mthods would also support a totalOrder flag (similar to OBB flag currently supported) >> >> With this approach: >> - we would support heterogeneous caches on the same cache manager: TO, 2PC *and* non-tx caches >> - we would allow existing users to switch to total order replication without the need to change the jgroups configuration >> - the performance penalty of having the SEQUENCER for caches that don't need it, e.g. not tx caches, is minimal by the look of the code >> >> How does it sound? > > Intuitively, not nice ! Can't we have different configurations for these > use cases ? We can, but the users that want to use both TO transactional caches and non transactional caches on the same transport - a pretty common scenario IMO - would have to add the seqeuncer to the jgroups configuration by hand.

As the seqeuncer doesn't harm performance, why not have it there by