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From Norbert Kalmar <nkal...@cloudera.com.INVALID>
Subject Re: Upgrade from 3.4.5 to 3.4.13
Date Wed, 12 Sep 2018 16:57:10 GMT
A rolling restart is enough. Just stop one server ,replace jar, restart,
and it will join back the quorum. Then do this for the rest of the servers.

Update requires a restart, but you can save yourself a full restart this
way. You will have no downtime.

Regards,
Norbert

On Wed, Sep 12, 2018 at 3:05 PM rammohan ganapavarapu <
rammohanganap@gmail.com> wrote:

> Norbert,
>
> Thank you, do we need to restart process after jar replacement?
>
> Ram
>
> On Wed, Sep 12, 2018, 12:56 AM Norbert Kalmar <nkalmar@cloudera.com.invalid
> >
> wrote:
>
> > Hi,
> >
> > We had a discussion about this not long ago, it was 3.4.8 to 3.4.13, but
> > same things have to be done in this case.
> >
> >
> http://zookeeper-user.578899.n2.nabble.com/How-to-upgrade-zookeeper-from-3-4-8-to-3-4-13-td7583831.html
> >
> > If you just replace the jar, you don't even have to copy anything else.
> >
> >
> > Regards,
> > Norbert
> >
> > On Wed, Sep 12, 2018 at 12:29 AM rammohan ganapavarapu <
> > rammohanganap@gmail.com> wrote:
> >
> > > I have zk cluster with 3.4.5 version and planing to upgrade to 3.4.13
> > > version, can some one point me to a upgrade steps? When i copy snapshot
> > > from 3.4.5 node to 3.4.13 node it seems to be working but not sure what
> > is
> > > the proper way of upgrading existing cluster.
> > >
> > > Thanks,
> > > Ram
> > >
> >
>

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