Hello:

I found that some nginx config option doesn't take effect after
modification with reload, the following is a simple test case:

nginx version: nginx/1.2.7
nginx.conf:
============================
worker_processes 1;
error_log logs/error.log info;

events {
worker_connections 1024;
}

http {
limit_req_zone $arg_a zone=testzone:64m rate=1r/s;

server {
listen 80;

location / {
limit_req zone=testzone burst=2;
alias /;
}
}
}
============================

I change $arg_a to $arg_b in the line 'limit_req_zone $arg_a
zone=testzone:64m rate=1r/s;' then reload nginx, but the change doesn't
take effect, unless I stop nginx manually and start it again.

Is this an expected behavior ? or are there any other nginx config options
that not compatible with reload operation?

Thanks!
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