Want to count a certain interface such as flash sales based on nginx logsMaximum number of concurrencies The nginx log format is configured like this
log_format： $remote_addr [$time_local] "$request" $status $upstream_response_time $body_bytes_sentNginx official documentation defines time_local like this
$time_local
local time in the Common Log Format
Now I am not sure whether this is the time when the request comes in or the time when this log is recorded after the request is processed. Only the former can count the maximum number of concurrency based on this time
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摘自：http://serverfault.com/questi...
The $local_time variable contains the time when the log entry is written.
when the HTTP request header is read, nginx does a lookup of the associated virtual server configuration. If the virtual server is found, the request goes through six phases:
server rewrite phase
location phase
location rewrite phase (which can bring the request back to the previous phase)
access control phase
try_files phase
log phase
Since the log phase is the last one, $local_time variable is much more colse to the end of the request than it's start.
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