Re: [javagroups-users] Limit in the number of members

[Bela B. <be...@ya...>]

Guillaume Forget wrote:
> We started to use the default stack about 2 years ago and I know it
> pretty well. For me moving to the fc-fast-minimalthreads stack is a bit
> of a challenge. There are a few things that I don't understand in this
> stack:
>
> * why MERGE (or MERGE2) is not being used in this stack ? How do you
> avoid having two subgroups without that protocol ?

You can simply uncomment MERGE2

> * I see you don't have the VERIFY_SUSPECT protocol. I assume I could
> still have it if I want to delay the findings of FD / FD_SOCK

Yes, uncomment it too

> * you don't have FRAG in fc-fast, is it because the messages that you
> are sending are small enough that you don't need to fragment them ? But
> again can I keep it ?

Sure, but I suggest FRAG2 (which is also commented), which doesn't need 
to copy messages

> And finally I have concern about the FC protocol. To be honest I haven't
> tested it yet and I will. My main concern is in delaying the messages.
> I'm using the MessageDispatcher and I'm using quite a bit the
> synchronous messages.

Then you don't need it, because you're already delaying your messages 
enough to prevent overflow of the receiver. Kind of like a natural flow 
control using the round-trip as delay.


-- 
Bela Ban
Lead JGroups / Manager JBoss Clustering Group
callto://belaban