It should be the # fetcher threads. Yes, this is the max memory usage. You
will only hit it if all partitions have fetch.size bytes to give. This
typically only happens when the consumer was stopped and restarted after
some time.

Thanks,

Jun
On Fri, Aug 16, 2013 at 9:36 AM, Drew Daugherty <
[EMAIL PROTECTED]> wrote:
 
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