How to determine pb_backlog?

Reid Draper reiddraper at
Wed Jan 15 18:38:26 EST 2014

I know many users who have had success with numbers in the 128-256 range. There should be no harm in cranking it up pretty high. The ‘formula’ would just be the number of concurrent connection handshakes you want to be able to handle.


On Jan 15, 2014, at 5:26 PM, Alain Rodriguez <alain at> wrote:

> Hi all,
> Can anyone share some wisdom on what to set pb_backlog to? Is there some kind of formula based on the number of requests/s?
> I am seeing a ton of connection timeouts when I restart my application and I have pb_backlog set to the default of 5.
> Thanks,
> Alain
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