Service availability during reload

[Andre Nathan]

On 11/29/2013 10:13 AM, Maxim Dounin wrote:
> Connections are handled by worker processes.  On SIGHUP, master 
> process parses new configuration and spawns new worker processes 
> (while old workers still handle requests).  Then it asks old 
> workers to gracefully shutdown.  That is, all the time requests 
> are handled by worker processes and service is available.

Thank you so much Maxim. That was the impression I had skimming through
ngx_cycle.c and ngx_process_cycle.c but since I'm not familiar with the
code, I just wanted to make sure.

Cheers,
Andre

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