From the following log, it seems that you have more consumers than
partitions. So, some consumers will never get any data. Please see #4 in
http://kafka.apache.org/faq.html for details.

13/06/03 18:49:16 INFO consumer.ZookeeperConsumerConnector: Consumer
login-group_zjm_111_31-1370256295616-2d287a98 rebalancing the following
partitions: List(1-0, 2-0) for topic login with consumers:
List(login-group_zjm_109_152-1370253495249-eb0a173f-0,
login-group_zjm_109_152-1370253495249-eb0a173f-1,
login-group_zjm_110_159-1370253496049-119021ef-0,
login-group_zjm_110_159-1370253496049-119021ef-1,
login-group_zjm_111_31-1370256295616-2d287a98-0,
login-group_zjm_111_31-1370256295616-2d287a98-1,
login-group_zjm_111_49-1370253495793-26c03d19-0,
login-group_zjm_111_49-1370253495793-26c03d19-1,
login-group_zjm_111_49-1370253496335-c9be525d-0,
login-group_zjm_111_49-1370253496335-c9be525d-1)

Thanks,

Jun
On Mon, Jun 3, 2013 at 4:04 AM, shangan chen <[EMAIL PROTECTED]>wrote:
 
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