Thanks for your reply. I did grep on the commit logs for the offending key and grep showed Binary file matches. I am trying to use this tool to extract the commitlog and actually confirm if the mutation was a write:

On Thu, Sep 27, 2012 at 1:45 AM, Sylvain Lebresne <> wrote:
> I can verify the existence of the key that was inserted in Commitlogs of both replicas however it seams that this record was never inserted.

Out of curiosity, how can you verify that?