raise max open files for nginx caches, fixes #20542

8.Cache/1.Install_cache/0_setup.py

@@ -8,5 +8,6 @@ def setup(interactive=True):
     cmds = [
         'mkdir -p /var/www/cache',
         'cp %s/index.html /var/www/cache/index.html' % dir_path,
+        'cp %s/nginx-limits.conf /etc/security/limits.d/nginx.conf' % dir_path,
     ]
     utils.run_commands(cmds)

8.Cache/1.Install_cache/nginx-limits.conf

+nginx soft nofile 20000
+nginx hard nofile 40000