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From Sankalp Bhatia <sankalpbhati...@gmail.com>
Subject Re: Upgrading existing non-TLS cluster with no downtime
Date Tue, 14 Jul 2020 20:52:15 GMT
+users

On Tue, 14 Jul 2020 at 21:51, Sankalp Bhatia <sankalpbhatia92@gmail.com>
wrote:

> Hi All,
>
> I am trying to follow the section "Upgrading existing non-TLS cluster with
> no downtime" in the zookeeper guide :
> https://zookeeper.apache.org/doc/r3.3.2/zookeeperAdmin.html
>
> I have an ensemble of 3 servers. I have a couple of questions:
>
> 1) When I set sslQuorum=true  and portUnification=true on the first
> server, does it go out of the quorum? And when these properties are set
> in the second server, a new quorum of first and second server is formed and
> now the third server is out of quorum. When the 3rd server follows suit, it
> is added back to the quorum.
>
> If this is the case, what is the use of a the port-unification feature
> here?
>
> 2) The guideline says to check after restarting every broker that the
> quorum is healthy, is there any metric to track that?
>
> Thanks,
> Sankalp
>
>
>
>

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