Hi Drew, That problem will be fixed by https://issues.apache.org/jira/browse/KAFKA-1074. I think we are close to checking that in to trunk.
Thanks, Neha On Wed, Dec 18, 2013 at 9:02 AM, Drew Goya <d...@gradientx.com> wrote: > Thanks Neha, I rolled upgrades and completed a rebalance! > > I ran into a few small issues I figured I would share. > > On a few Brokers, there were some log directories left over from some > failed rebalances which prevented the 0.8.1 brokers from starting once I > completed the upgrade. These directories contained an index file and a > zero size log file, once I cleaned those out the brokers were able to start > up fine. If anyone else runs into the same problem, and is running RHEL, > this is the bash script I used to clean them out: > > du --max-depth=1 -h /data/kafka/logs | grep K | sed s/.*K.// | sudo rm -r > > > On Tue, Dec 17, 2013 at 10:42 AM, Neha Narkhede <neha.narkh...@gmail.com > >wrote: > > > There are no compatibility issues. You can roll upgrades through the > > cluster one node at a time. > > > > Thanks > > Neha > > > > > > On Tue, Dec 17, 2013 at 9:15 AM, Drew Goya <d...@gradientx.com> wrote: > > > > > So I'm going to be going through the process of upgrading a cluster > from > > > 0.8.0 to the trunk (0.8.1). > > > > > > I'm going to be expanding this cluster several times and the problems > > with > > > reassigning partitions in 0.8.0 mean I have to move to trunk(0.8.1) > asap. > > > > > > Will it be safe to roll upgrades through the cluster one by one? > > > > > > Also are there any client compatibility issues I need to worry about? > > Am I > > > going to need to pause/upgrade all my consumers/producers at once or > can > > I > > > roll upgrades through the cluster and then upgrade my clients one by > one? > > > > > > Thanks in advance! > > > > > >