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From Atita Arora <atitaar...@gmail.com>
Subject Re: Request node status independently
Date Thu, 01 Feb 2018 18:15:30 GMT
Hi Erick,

Just as you mentioned about clusterstatus, I am using the same for almost
the similar Usecase. The only issue I run into is that I need some way I
could use prefix with collection param, is there some way to do that? So
that I  can  query the specific collection of my interest.
Note : My collection names are prefixed with clientId.

Thanks,
Atita

On Feb 1, 2018 10:06 PM, "Erick Erickson" <erickerickson@gmail.com> wrote:

> The Collections API CLUSTERSTATUS essentially gives you back the ZK
> state.json for individual collections (or your cluster, see the
> params). One note: Just because the state.json reports a replica as
> "active" isn't definitive. If the node died unexpectedly its replicas
> can't set the state when shutting down. So you also have to check
> whether the replica's node is in the "live_nodes" znode.
>
> Best,
> Erick
>
> On Thu, Feb 1, 2018 at 4:34 AM, Daniel Carrasco <d.carrasco@i2tic.com>
> wrote:
> > Hello,
> >
> > I'm trying to create a load balancer using HAProxy to detect nodes that
> are
> > down or recovering, but I'm not able to find the way to detect if the
> node
> > is healthy (the only commands i've seen check the entire cluster).
> > Is there any way to check the node status using http responses and get
> only
> > if is healthy or recovering?. Of course if is dead I've got no response,
> so
> > that's easy.
> >
> > Thanks and greetings!!
> >
> > --
> > _________________________________________
> >
> >       Daniel Carrasco Marín
> >       Ingeniería para la Innovación i2TIC, S.L.
> >       Tlf:  +34 911 12 32 84 Ext: 223
> >       www.i2tic.com
> > _________________________________________
>

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