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From Igor Sapego <isap...@apache.org>
Subject Re: Best Effort Affinity for thin clients
Date Tue, 15 Jan 2019 13:44:56 GMT
Pavel,

This will require from client to send this new request periodically, I'm not
sure this will make clients simpler. Anyway, let's discuss it.

Vladimir,

With current proposal, we will have affinity info in message header.

Best Regards,
Igor


On Tue, Jan 15, 2019 at 11:01 AM Vladimir Ozerov <vozerov@gridgain.com>
wrote:

> Igor,
>
> I think that "Cache Partitions Request" should contain affinity topology
> version. Otherwise we do not know what distribution is returned - the one
> we expected, or some newer one. The latter may happen in case topology
> changed or late affinity assignment happened between server response and
> subsequent client partitions request.
>
> Vladimir.
>
> On Mon, Jan 14, 2019 at 6:08 PM Igor Sapego <isapego@apache.org> wrote:
>
> > Hello guys,
> >
> > I've updated IEP page [1] describing proposed solution in more details
> and
> > proposing some changes for a protocol.
> >
> > Please, take a look and let me know what you think.
> >
> > [1] -
> >
> >
> https://cwiki.apache.org/confluence/display/IGNITE/IEP-23%3A+Best+Effort+Affinity+for+thin+clients
> >
> > Best Regards,
> > Igor
> >
> >
> > On Tue, Jun 19, 2018 at 11:54 AM Vladimir Ozerov <vozerov@gridgain.com>
> > wrote:
> >
> > > Denis,
> > >
> > > Yes, in principle we can extend it. We are going to implement it in
> > > subsequent phases of this IEP.
> > >
> > > On Tue, Jun 19, 2018 at 4:30 AM, Dmitriy Setrakyan <
> > dsetrakyan@apache.org>
> > > wrote:
> > >
> > > > On Mon, Jun 18, 2018 at 11:07 AM, Denis Magda <dmagda@apache.org>
> > wrote:
> > > >
> > > > > Folks,
> > > > >
> > > > > Feel that this functionality can be extended to the automatic
> > > reconnect,
> > > > > can't it? Presently we require to provide a static list of IPs to
> be
> > > used
> > > > > at a reconnect time. By having a partition map of all the nodes,
> the
> > > thin
> > > > > client should be able to automate this piece.
> > > > >
> > > >
> > > > Not sure if static IP list can be avoided. What Igor is suggesting is
> > > that
> > > > we try to pick the best node out of the static IP  list.
> > > >
> > > > D.
> > > >
> > >
> >
>

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