16 GB is a very large heap. GC tuning becomes trickier as the size of the
heap increases. Are you sure you need that much memory to operate the
mirror maker? For us, the following GC settings have worked well -
https://cwiki.apache.org/confluence/display/KAFKA/Operations#Operations-Java

Thanks,
Neha
On Tue, Sep 3, 2013 at 10:40 AM, Rajasekar Elango <[EMAIL PROTECTED]>wrote:
 
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