I suspect the issue is that since you have many more partitions than
consumers, the data distribution among the partitions is not even. You can
take a look at
https://cwiki.apache.org/confluence/display/KAFKA/FAQ#FAQ-Whyisdatanotevenlydistributedamongpartitionswhenapartitioningkeyisnotspecified
?

Thanks,

Jun
On Mon, May 26, 2014 at 8:45 PM, Рябков Алексей Николаевич <
[EMAIL PROTECTED]> wrote:
 
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