zookeeper-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Raúl Gutiérrez Segalés <...@itevenworks.net>
Subject Re: Observer node config question
Date Mon, 07 Dec 2015 04:41:48 GMT
Hi,

On 6 December 2015 at 20:36, Jason Rosenberg <jbr@squareup.com> wrote:

> Hello,
>
> Is it necessary for all observer nodes to be specified in the configuration
> of all other nodes in the cluster?
>

You can get away by using id=-1 for observers (in 3.4.x).


>
> Or is it ok for the core voting nodes to just know about each other, and
> allow observer nodes to come and go without requiring updates to the voting
> nodes' configuration?
>
> I am currently using 3.4.6 (perhaps the answer to this changes with 3.5.X,
> since it allows dynamic ensembles?).
>

I think it does, you need to call reconfig() before adding new observers
otherwise
they'll join as learners (followers) (something that we might want to
change).


-rgs

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message