100% CPU nginx master process

Yichun Zhang (agentzh) agentzh at gmail.com
Sun Mar 2 23:24:36 UTC 2014


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:


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


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