If you could provide more details about the kind of issues you saw when you downgraded (e.g. error logs, behavior, etc) it might help folks help you. At the moment, I wouldn't know where to begin with the issue you've described as there's not a ton of detail about what, exactly, went wrong.
On Sun, Nov 5, 2017 at 12:57 PM Madhukar Bharti <bhartimadhu...@gmail.com> wrote: > Hi all, > > Recently we have upgraded our cluster from 0.10.0.1 to 0.11.0.1. After few > hours of upgrade we faced issue of too many closed_wait connection. Latter > got to know that this is a bug and got fixed in 1.0.0. > > As of now we can’t take this as there is still possible known bugs are > there, we need to test it well putting in production. > > Can you please help us how to downgrade from 0.11.0.1 to 0.10.0.1.? As of > now we have message format as 0.10.0.1 in 0.11.0.1 brokers. All clients are > also on 0.10.0.1. > > I tried like below, > > Set inter broker protocol version to 0.10.0.1. > Restart brokers one by one. > Re-install with Kafka 0.10.0.1. > > But it dint worked properly for all partitions. > > > Regards, > Madhukar > > > -- > Thanks and Regards, > Madhukar Bharti > Mob: 7845755539 >