Hi,

Thanks for your reply!






Best Regards

Johnny


-----Original Message-----
From: Amit Tank [mailto:amittankopensou...@gmail.com] 
Sent: 2016年11月12日 1:49
To: users@kafka.apache.org
Subject: Re: Kafka upgrade from 0.8.0 to 0.10.0.0

Hi,

I am not an expert but from what read and understood from HDFS documentation, 
If you want to upgrade zookeeper, you can not avoid downtime.

Thank you,
Amit

On Thursday, November 10, 2016, ZHU Hua B <hua.b....@alcatel-lucent.com>
wrote:

> Hi,
>
>
> For a rolling upgrade, Kafka suggest upgrade the brokers one at a time 
> (shut down the broker, update the code, and restart it) to avoid 
> downtime during the upgrade.
> Usually, there is one zookeeper point to some brokers in a Kafka 
> cluster, if the zookeeper should be upgraded also? If so, how to avoid 
> downtime during zookeeper upgrade? Thanks!
>
>
>
>
>
>
> Best Regards
>
> Johnny
>
>

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