ngx_memory_leak_killer
ngx_memory_leak_killer can graceful restart a working process that exceeds the upper limit of memory usage. Thanks to nginx-hello-world-module and ngx_bumpylife.
Configuration
- Enable "memory_leak_killer"
- Set the upper limit of memory usage in kilobytes
http {
memory_leak_killer on;
memory_leak_killer_limit 5000; #5MB
...
}Install
- use nginx configure option
./configure --add-module=/path/to/ngx_memory_leak_killer
Example
$ ./work/sbin/nginx
$ ps auwxf |grep nginx
ubuntu 23505 0.0 0.0 16464 384 ? Ss 08:46 0:00 nginx: master process ./work/sbin/nginx
ubuntu 23506 0.0 0.0 16908 1936 ? S 08:46 0:00 \_ nginx: worker process
$ curl localhost:8080/memory
leak memory(+2MB)
$ ps auwxf |grep nginx
ubuntu 23505 0.0 0.0 16464 384 ? Ss 08:46 0:00 nginx: master process ./work/sbin/nginx
ubuntu 23506 0.0 0.0 18864 4744 ? S 08:46 0:00 \_ nginx: worker process
$ curl localhost:8080/memory
leak memory(+2MB)
$ ps auwxf |grep nginx
ubuntu 23505 0.0 0.0 16464 384 ? Ss 08:46 0:00 nginx: master process ./work/sbin/nginx
ubuntu 23506 0.0 0.0 20820 6640 ? S 08:46 0:00 \_ nginx: worker process
$ curl localhost:8080/memory
leak memory(+2MB)
$ ps auwxf |grep nginx
ubuntu 23505 0.0 0.0 16464 384 ? Ss 08:46 0:00 nginx: master process ./work/sbin/nginx
ubuntu 23519 0.0 0.0 16908 1936 ? S 08:46 0:00 \_ nginx: worker process
LICENSE
See LICENSE.