Hi, 
   I running kafka 0.8.1 branch code. in my test env, I have 3 servers (broker 
1, 2, 3), and create three topics with 3 partitions and 2 replica for each 
partition. at beginning each partition's leader is allocated to different 
server.
   topicA : partition 0  --> leader : 1; partition 1  --> leader : 
2;partition 2  --> leader : 3
 
 but this morning, I check the status of kafka, the leader of partitions changed
   topicA : partition 0  --> leader : 2 ; partition 1  --> leader : 
2;partition 2  --> leader : 3

  I don't why this situation happend. during the night there is no data send to 
kafka. 
  Does someone know about this?
 
  Thanks~!


Best Regards
Jerry

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