What version of ZK are you using? If you are using ZK 3.3, I'd recommend upgrading it before you upgrade Kafka. If you are on ZK 3.4.5 or 3.4.6, you are good.
On Tue, Nov 15, 2016 at 8:33 AM, Amit Tank <amittankopensou...@gmail.com> wrote: > Hi Johnny, > > I haven't tried it yet so I am not 100% sure which one should be upgraded > in what order but the way I think is - you can upgrade brokers when you are > not upgrading ZK too. so if that holds true then the sequence do not > matter. > Again I can be completely wrong here.May be some one else from the group > can explain this in more detail. > > Thank you, > Amit > > On Tuesday, November 15, 2016, ZHU Hua B <hua.b....@alcatel-lucent.com> > wrote: > >> Hi All, >> >> >> Anyone knows if zookeeper upgrade should be executed before broker >> upgrade? Thanks! >> >> >> >> >> >> >> Best Regards >> >> Johnny >> >> >> -----Original Message----- >> From: ZHU Hua B >> Sent: 2016年11月14日 15:07 >> To: users@kafka.apache.org <javascript:;> >> Subject: RE: Kafka upgrade from 0.8.0 to 0.10.0.0 >> >> Hi, >> >> >> Thanks for your answer! >> >> Another question, if zookeeper upgrade should be executed before broker >> upgrade? Thanks! >> >> >> >> >> >> >> Best Regards >> >> Johnny >> >> >> -----Original Message----- >> From: Amit Tank [mailto:amittankopensou...@gmail.com <javascript:;>] >> Sent: 2016年11月12日 1:49 >> To: users@kafka.apache.org <javascript:;> >> 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 >> <javascript:;>> >> 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 >> > >> > >> -- Gwen Shapira Product Manager | Confluent 650.450.2760 | @gwenshap Follow us: Twitter | blog
