100% CPU nginx master process

[Yichun Zhang (agentzh)]

Hello!

On Sun, Mar 2, 2014 at 2:40 PM, badtzhou wrote:
> We are have issue that nginx master process is at 100% CPU and it stop
> responding to any request. The CPU utilization for all the workers are low.
>

If I were you, I would just take a C-land on-CPU flame graph for the
process with high CPU usage by sampling for a few or a dozen seconds:

    https://github.com/agentzh/nginx-systemtap-toolkit#sample-bt

The graph would tell us the complete story about all the hot spots
during the sampling window.

Regards,
-agentzh