I ran into this problem as well Prashant.  The default partition key was
recently changed:


It no longer assigns a random partition to data with a null partition key.
 I had to change my code to generate random partition keys to get the
randomly distributed behavior the producer used to have.
On Fri, Sep 13, 2013 at 11:42 AM, prashant amar <[EMAIL PROTECTED]> wrote:
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