Are you messages compressed in batches? If so, some dups are expected
during rebalance. In 0.8, such dups are eliminated. Other than that,
rebalance shouldn't cause dups since we commit consumed offsets to ZK
before doing a rebalance.
On Thu, Jun 13, 2013 at 7:34 PM, Philip O'Toole <[EMAIL PROTECTED]> wrote: