Answers inline. first what we upgrade zookeeper or kafka?? - I can't really comment about ZK upgrade. Recently i upgraded only 10 node Kafka Cluster in production. Some of the Key Notes : 1) You need to set inter.broker.protocol.version = 1.1.0( Your Current Broker Version ) 2) Start upgrading your brokers one by one & Verify the overall functionality of your Cluster . Do not forget to verify the Clients too. 3) After Completing upgrade , set the version to 2.2.0 if you are upgrading latest version & restart brokers one by one. Pls be aware you cant downgrade after this step. 4) Pls keep in mind : The default value for ssl.endpoint.identification.algorithm was changed to https. So you need to set ssl.endpoint.identification.algorithm = empty to make it work as previous version of broker.
Go through the documentation and you will more information (1.5 Upgrading >From Previous Versions) https://kafka.apache.org/documentation/#upgrade . being upgrade can we pointing old logs directory?? Not sure if i understand this question. In general , you dont need to change any Kafka Logs directory for broker upgrade. --Senthil On Fri, Apr 26, 2019 at 6:28 PM M. Manna <manme...@gmail.com> wrote: > Ashok, > > The guideline is well-explained, so please follow that. > > https://kafka.apache.org/documentation/#upgrade > > The process works, so try and follow what it recommends. > > Thanks, > > On Fri, 26 Apr 2019 at 12:36, ASHOK MACHERLA <iash...@outlook.com> wrote: > > > Dear senthil > > > > That I know, > > Could you please explain in details, > > any documents, step by steps required. > > > > first what we upgrade zookeeper or kafka?? > > being upgrade can we pointing old logs directory?? > > > > Could please explain like that. > > > > Sent from Outlook<http://aka.ms/weboutlook> > > ________________________________ > > From: SenthilKumar K <senthilec...@gmail.com> > > Sent: 26 April 2019 16:03 > > To: users@kafka.apache.org > > Subject: Re: Required guidelines for kafka upgrade > > > > Hi , You can refer official documentation to upgrade Kafka Cluster . > > Section: > > 1.5 Upgrading From Previous Versions > > > > Last week we did broker upgrade from 1.1.0 to 2.2.0. I think the current > > stable version is 2.2.0. > > > > --Senthil > > > > On Fri, Apr 26, 2019, 3:54 PM ASHOK MACHERLA <iash...@outlook.com> > wrote: > > > > > Dear Team > > > > > > Right now, we are using Kafka 0.10.1 version, zookeeper 3.4.6 version, > we > > > are planning to upgrade to New Kafka & Zookeeper version. > > > > > > Please suggest us, what is current stable version of Kafka, > Zookeeper??? > > > > > > Could you please explain what is steps to upgrade to Kafka, Zookeeper?? > > > > > > Is there any documentation for that upgrade guide?? > > > > > > Thanks a lot!! > > > > > > > > > Sent from Outlook<http://aka.ms/weboutlook> > > > > > >