config: update gunicorn config examples

configs/gunicorn_config.py

@@ -51,8 +51,8 @@ access_log_format = (
 
 # Sets the number of process workers. More workers means more concurrent connections
 # RhodeCode can handle at the same time. Each additional worker also it increases
-# memory usage as each has it's own set of caches.
-# Recommended value is (2 * NUMBER_OF_CPUS + 1), eg 2CPU = 5 workers, but no more
+# memory usage as each has its own set of caches.
+# The Recommended value is (2 * NUMBER_OF_CPUS + 1), eg 2CPU = 5 workers, but no more
 # than 8-10 unless for huge deployments .e.g 700-1000 users.
 # `instance_id = *` must be set in the [app:main] section below (which is the default)
 # when using more than 1 worker.
@@ -67,11 +67,19 @@ loglevel = 'info'
 # Process name visible in a process list
 proc_name = 'rhodecode_enterprise'
 
-# Type of worker class, one of `sync`, `gevent`
-# currently `sync` is the only option allowed.
+# Type of worker class, one of `sync`, `gevent` or `gthread`
+# currently `sync` is the only option allowed for vcsserver and for rhodecode all of 3 are allowed
+# gevent:
+# In this case, the maximum number of concurrent requests is (N workers * X worker_connections)
+# e.g. workers =3 worker_connections=10 = 3*10, 30 concurrent requests can be handled
+# gtrhead:
+# In this case, the maximum number of concurrent requests is (N workers * X threads)
+# e.g. workers = 3 threads=3 = 3*3, 9 concurrent requests can be handled
 worker_class = 'gevent'
 
 # The maximum number of simultaneous clients. Valid only for gevent
+# In this case, the maximum number of concurrent requests is (N workers * X worker_connections)
+# e.g workers =3 worker_connections=10 = 3*10, 30 concurrent requests can be handled
 worker_connections = 10
 
 # Max number of requests that worker will handle before being gracefully restarted.