[infinispan-dev] TotalOrder and jgroups

[Mircea Markus]

----- Original Message -----
> From: "Tristan Tarrant" <ttarrant at redhat.com>
> To: infinispan-dev at lists.jboss.org
> Sent: Tuesday, March 6, 2012 12:43:02 PM
> Subject: Re: [infinispan-dev] TotalOrder and jgroups
> 
> On 03/06/2012 01:39 PM, Tristan Tarrant wrote:
> > On 03/06/2012 12:58 PM, Mircea Markus wrote:
> >> Hi,
> >>
> >> Total order requires JGroup's SEQEUNCER[1] protocol to be added to
> >> the protocol stack. So users that want to switch between e.g.
> >> total order and optimistic TX are required to also change the
> >> jgroups config (and the other way around). This is not very user
> >> friendly, so I'm thinking to try and insert the SEQUENCER if it
> >> is missing from the stack and TotalOrder is enabled, together
> >> with a log message. Anyone sees any problem with this? Bela?
> > What about when Infinispan is not the owner of the JGroups channel,
> > i.e.
> > in the AS?
in order to use TO the transport *must* have the SEQUENCER. I don't think that adding the sequencer affects the rest the messages, as the seqeunced message require an special flag to be passed to into the message header - Bela, can you please confirm this?
So I think it should be fine even if the channel is modified.
  
> >
> Replying to myself: I guess this could be done by offering different
> named configurations
Not sure I understand.. (not that the message was intended for me :D )