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tuning-gunicorn.rst
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Increase Gunicorn Workers

Important

If you increase the number of :term:`Gunicorn` workers, you also need to increase the threadpool size of the VCS Server. The recommended size is 6 times the number of Gunicorn workers. To set this, see :ref:`vcs-server-config-file`.

|RCE| comes with Gunicorn packaged in its Nix environment. To improve performance you can increase the number of workers. To do this, use the following steps:

  1. Open the :file:`home/{user}/.rccontrol/{instance-id}/rhodecode.ini` file.
  2. In the [server:main] section, increase the number of Gunicorn workers using the following formula (2*Cores) + 1.
[server:main]
host = 127.0.0.1
port = 10002
use = egg:gunicorn#main
workers = 1
threads = 1
proc_name = RhodeCodeEnterprise
worker_class = sync
max_requests = 1000
timeout = 3600
  1. In the [app:main] section, set the instance_id property to *.
# In the [app:main] section
[app:main]
# You must set `instance_id = *`
instance_id = *
  1. Save your changes.
  2. Restart your |RCE| instance, using the following command:
$ rccontrol restart enterprise-1

If you scale across different machines, each |RCM| instance needs to store its data on a shared disk, preferably together with your |repos|. This data directory contains template caches, a whoosh index, and is used for task locking to ensure safety across multiple instances. To do this, set the following properties in the :file:`rhodecode.ini` file to set the shared location across all |RCM| instances.

cache_dir = /file/path           # set to shared location
search.location = /file/path           # set to shared location

####################################
###         BEAKER CACHE        ####
####################################
beaker.cache.data_dir = /file/path       # set to shared location
beaker.cache.lock_dir = /file/path       # set to shared location

Gunicorn SSL support

:term:`Gunicorn` wsgi server allows users to use HTTPS connection directly without a need to use HTTP server like Nginx or Apache. To Configure SSL support directly with :term:`Gunicorn` you need to simply add the key and certificate paths to your configuration file.

  1. Open the :file:`home/{user}/.rccontrol/{instance-id}/rhodecode.ini` file.
  2. In the [server:main] section, add two new variables called certfile and keyfile.
[server:main]
host = 127.0.0.1
port = 10002
use = egg:gunicorn#main
workers = 1
threads = 1
proc_name = RhodeCodeEnterprise
worker_class = sync
max_requests = 1000
timeout = 3600
# adding ssl support
certfile = /home/ssl/my_server_com.pem
keyfile = /home/ssl/my_server_com.key
  1. Save your changes.
  2. Restart your |RCE| instance, using the following command:
$ rccontrol restart enterprise-1

After this is enabled you can only access your instances via https:// protocol. Check out more docs here Gunicorn SSL Docs