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From Amit Tank <amittankopensou...@gmail.com>
Subject Re: Kafka upgrade from 0.8.0 to 0.10.0.0
Date Fri, 11 Nov 2016 17:48:58 GMT
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.Zhu@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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