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From Guozhang Wang <wangg...@gmail.com>
Subject Re: Best practice for upgrading Kafka cluster from 0.8.1 to 0.8.1.1
Date Thu, 04 Dec 2014 17:08:15 GMT
You can still do the in-place upgrade, and the logs on the broker will be
then mixed with uncompressed and compressed messages. This is fine also
since the consumers are able to de-compress dynamically based on the
message type when consuming the data.

Guozhang

On Wed, Dec 3, 2014 at 11:33 AM, Yu Yang <yuyang08@gmail.com> wrote:

> Guozhang,
>
> We haven't enable message compression yet. In this case, what shall we do
> when we upgrade to 0.8.2?  Must we launch a new cluster, redirect the
> traffic to the new cluster, and turn off the old one?
>
> Thanks!
>
> -Yu
>
>
> On Tue, Dec 2, 2014 at 4:33 PM, Guozhang Wang <wangguoz@gmail.com> wrote:
>
> > Yu,
> >
> > Are you enabling message compression in 0.8.1 now? If you have already
> then
> > upgrading to 0.8.2 will not change its behavior.
> >
> > Guozhang
> >
> > On Tue, Dec 2, 2014 at 4:21 PM, Yu Yang <yuyang08@gmail.com> wrote:
> >
> > > Hi Neha,
> > >
> > > Thanks for the reply!  We know that Kafka 0.8.2 will be released soon.
> If
> > > we want to upgrade to Kafka 0.8.2 and enable message compression, will
> we
> > > still be able do this in the same way, or we need to handle it
> > differently?
> > >
> > > Thanks!
> > >
> > > Regards,
> > > -Yu
> > >
> > > On Tue, Dec 2, 2014 at 3:11 PM, Neha Narkhede <neha.narkhede@gmail.com
> >
> > > wrote:
> > >
> > > > Will doing one broker at
> > > > a time by brining the broker down, updating the code, and restarting
> it
> > > be
> > > > sufficient?
> > > >
> > > > Yes this should work for the upgrade.
> > > >
> > > > On Mon, Dec 1, 2014 at 10:23 PM, Yu Yang <yuyang08@gmail.com> wrote:
> > > >
> > > > > Hi,
> > > > >
> > > > > We have a kafka cluster that runs Kafka 0.8.1 that we are
> considering
> > > > > upgrade to 0.8.1.1. The Kafka documentation
> > > > > <http://kafka.apache.org/documentation.html#upgrade> mentions
> > > upgrading
> > > > > from 0.8 to 0.8.1, but not from 0.8.1 to 0.8.1.1.  Will doing one
> > > broker
> > > > at
> > > > > a time by brining the broker down, updating the code, and
> restarting
> > it
> > > > be
> > > > > sufficient? Any best practice suggestions?
> > > > >
> > > > > Thanks!
> > > > >
> > > > > Regards,
> > > > > Yu
> > > > >
> > > >
> > >
> >
> >
> >
> > --
> > -- Guozhang
> >
>



-- 
-- Guozhang

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