Any error in the controller and state-change log? Also, you may want to upgrade to 0.8.1, which fixed some reassignment issues.
Thanks, Jun On Wed, Jan 21, 2015 at 12:38 PM, Raghu Udiyar <ra...@helpshift.com> wrote: > Hello, > > I have a 6 node kafka cluster (0.8.0) where partition reassignment doesn't > seem to work on a few partitions. This happens within the same, as well as > across other topics. Following is the behavior observed : > > 1. For a successful reassignment, the kafka-reassign-partitions.sh returns > success, I see the controller initiating the reassignment, and > the destination brokers start replica fetcher threads. > 2. For the unsuccessful reassignment, the tool returns success, but there > is nothing in the controller logs nor the destination brokers. > > Also, for the ones that are successful, some don’t finish replication > correctly. I can see that the destination brokers get stuck after a few > thousand offsets (checked in JMX), and doesn’t move after that. The > controller keeps on waiting for the fetchers to complete, but never gets > there. > > Anyone seen this issue before? Is there a way to reset the state of the > controller? or re-elect a new one? > > Thanks, > Raghu >
