What is the performance
overhead if we don't use batching?

It can be very significant. I'm not sure if we have published performance
numbers for the new producer yet, but you can see the 0.8 producer
throughput numbers here -
The performance difference between batch size 1 and 50 can be upto 18x.

On Wed, Mar 26, 2014 at 7:24 PM, Kane Kane <[EMAIL PROTECTED]> wrote:
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