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  1. Jordan Dyckes
  2. Wednesday, April 13, 2016
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My RAM and CPU is only at 50% when connections are rejected under load.
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  1. 13.04.2016 08:04:01
  2. # 1
Jordan Dyckes Accepted Answer
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Joined: 13.04.2016
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Hey Guys,

I have a mystery problem with my server, after my server reaches a certain load approx 40/reqs a second it throws an error 500. My system reports that my resources aren\'t even 50% used when connections are failing.

I am running static assets through an NGINX Proxy with the following configuration:
proxy_connect_timeout       600;
proxy_send_timeout 600;
proxy_read_timeout 600;
send_timeout 600;
gzip_proxied any;
Applying the above config fixed error 500 has mainly fixed general problems like when a user interacts with a page. However, not under generalised load.

Does anyone have some ideas to diagnose and resolve this problem?

Kind regards,

Jordan
  1. 13.04.2016 09:04:25
  2. # 2
Bogdan Accepted Answer
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Joined: 26.06.2013
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Hi,

Are we talking about static pages over NGINX only? But they are not limited by CloudLinux services...
  1. 13.04.2016 09:04:38
  2. # 3
Jordan Dyckes Accepted Answer
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Joined: 13.04.2016
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Hi,

Thankfully when you mentioned \"But they are not limited by CloudLinux services...\" I had never thought about this, and checked out LVE.
Turns out that my entry process limit is capped at 20 and at the same point as the faults occurred my entry processes hit 20 as well.

I have now increased the limit, and the problem has been resolved.

Thank you very much for pointing this out,

Jordan
  1. 13.04.2016 13:04:06
  2. # 4
Bogdan Accepted Answer
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Then you was talking not about static pages :)


Good to hear you found the case here!
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