Re: [jgroups-users] unexplained port usage

On Tue, Jun 21, 2016 at 2:25 AM, Questions/problems related to using
JGroups <[email protected]> wrote:

> Comments inline, marked with [bela]
> [....]
>
> > Question 3: Moving forward, based on other unrelated discussions with
> > you, I've replaced FD with FD_ALL.
>
> [bela] Excellent, good choice!
>
> > Can I just pull FD_SOCK out of there and things should work ok?
>
> [bela]
> Yes, but you won't have immediate view changes when a member crashes;
> now a new view is installed after FD_ALL's timeout kicked which may take
> time. This will block (1) blocking RPCs, (2) STABLE and (3) flow control.
>

I think this is all fine. Will test, but we generally want users to set a
decent timeout for failure detection, like 50 seconds, so will be waiting
anyway,


>
> > So, to get it all in one place, I'm proposing this stack
> > (values removed, but it's the same as pasted in the initial mail in this
> > thread with FD -> FD_ALL). Do you see any issues?
> >
> >          stack.addProtocol(new TCP()
> >              .addProtocol(new TCPPING()
> >              .addProtocol(new MERGE3()
> >              .addProtocol(new FD_SOCK()) <---- will remove this one
> >              .addProtocol(new FD_ALL()      <---- changed to FD_ALL from
> FD
> >              .addProtocol(new VERIFY_SUSPECT()
> >              .addProtocol(new BARRIER())
> >              .addProtocol(new NAKACK2()
> >              .addProtocol(new UNICAST3())
> >              .addProtocol(new STABLE()
> >              .addProtocol(createAuthProtocol(efmNode))
> >              .addProtocol(new GMS()
> >              .addProtocol(new MFC()
> >              .addProtocol(new FRAG2())
> >              .addProtocol(new STATE_TRANSFER());
>
> [bela]
> Looks ok. Note that FD_ALL2 has never seen a lot of testing versus
> FD_ALL. It's not a complex protocol though so you should be fine.
>

I think I meant FD_ALL, not the '2' one. Edited above so that I'll now have
.../MERGE3/FD_ALL/VERIFY_SUSPECT/...

Thanks,
Bobby

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