On Fri, Jan 18, 2019, 12:44 PM Tim K <tim.k.5...@gmail.com> wrote:

> On Fri, Jan 18, 2019 at 11:05 AM Christopher Schultz
> <ch...@christopherschultz.net> wrote:
> >
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> >
> > Tim,
> >
> > On 1/18/19 06:38, Tim K wrote:
> > > Thanks for this.  The video helps explain it a bit better than the
> > > documentation.  So I set it up with a backup manager instead of the
> > > delta manager, changing the channelSendOptions to 6 for the
> > > cluster.
> >
> > If you think you can help clarify the documentation, patches are of
> > course always welcome.
> >
> > > From a maintenance standpoint, what is the best way to stop/start
> > > the nodes without losing sessions; one at a time, letting it fully
> > > come up before moving on to the next one (like a ripple restart)?
> > > I presume you don't want too many nodes to be down at a single
> > > time.
> >
> > I definitely wouldn't bring two down simultaneously if your can avoid
> > it. The cluster needs time to re-stabalize after the loss of a member,
> > meaning that new backup nodes must be selected for each session and
> > then the sessions must be transmitted to those backups nodes. If you
> > have small amounts of data in the sessions, this will probably be
> > fairly fast. If you have lots of data or a very busy network, it will
> > take longer.
> >
> > I would recommend setting-up a scenario (even in production) where you
> > intentionally disable a node in the cluster and watch to see how long
> > the cluster takes to re-stabalize. I think you'll learn a lot from
> > that exercise and it will help you plan for scheduled maintenance and
> > downtime.
> >
> > - -chris
>
> Is there a way to tell which server was assigned as the primary and
> backup roles?
>
> When I stop a member, is it this line which would tell me how long it
> took to sync up the sessions?
> Relocation of map entries was complete in [X] ms.
>
> Another question, I'm using the StaticMembershipService; do I need to
> define a LocalMember for each of my nodes or is that optional/assumed?
>
> Also, I recall reading something about the uniqueId might not really
> be used?  Do I need to set that for each member?
>


I'm noticing my SSO cookie is being removed when I force myself to another
node.  Is this a bug?

>

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