Partition movement is not an automatic operation in Kafka yet. You need to use the partition reassignment tool - https://cwiki.apache.org/confluence/display/KAFKA/Replication+tools#Replicationtools-6.ReassignPartitionsTool.
Also, that feature is stable in 0.8.1. Thanks, Neha On Fri, Dec 13, 2013 at 6:48 AM, Robert Turner <[email protected]> wrote: > No the 6 partitions for each topic will remain on the original brokers. You > could either reassign some partitions from all topics to the new brokers or > you could add partitions to the new brokers for each topic. In 0.8.0 there > is now an add-partitions tool. > > Cheers > Rob Turner. > > > On 13 December 2013 14:42, Yu, Libo <[email protected]> wrote: > > > Hi folks, > > > > There are three brokers running 0.8-beta1 in our cluster currently. > Assume > > all the topics have six partitions. > > I am going to add another three brokers to the cluster and upgrade all of > > them to 0.8. My question is after > > the cluster is up, will the partition be evenly distributed to all > > brokers? Thanks. > > > > Regards, > > > > Libo > > > > > > > -- > Cheers > Rob. >
