Re: [infinispan-dev] TotalOrder and jgroups
----- Original Message -----
From: "Tristan Tarrant" <ttarrant(a)redhat.com>
To: infinispan-dev(a)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 )