FIXED
I had the restart_command in puma.rb trying to run 'puma.sock restart', I 
pointed it to my init.d file and it no longer has an issue when it boots 
workers

restart_command '/etc/init.d/puma restart'

I still occasionally get a 504 timeout under very heavy load, but i have 
the god gem monitoring too and it recovers from that quickly




On Thursday, August 29, 2013 5:51:24 PM UTC-4, Rob Daniels wrote:
>
> I'm having an issue with Puma, it fails when it tries to restart itself. 
> When this happens it kills all the Puma processes, resulting in nginx 
> delivering a 502 Bad Gateway to our users. I'm able to start, stop & 
> restart it with my /etc/init.d/puma script (it runs 
> /usr/local/bin/run-puma),  it just has issues when it restarts itself. The 
> puma.log file doesn't show anything just useful for troubleshooting, just
>
> Puma starting in single mode...
> * Version 2.5.1, codename: Astronaut Shoelaces
> * Min threads: 16, max threads: 32
> * Environment: production
> * Listening on unix:///home/deploy/app/shared/sockets/puma.sock
>
> and my workers. Any help would be greatly appreciated.
>
> Also - i have whats probably a pretty dumb question. Is there a way for me 
> to allocate more resources to Puma so it doesn't need to restart itself so 
> frequently? I'm currently only using around 25% of the server's memory.
>
> Thanks for the help
>

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