Merge pull request #3787 from edx/ormsbee/dont_preload_edx_platform

Disable app preload in gunicorn for LMS & Studio.

CHANGELOG.md

+- Role: edxapp
+  - Set preload_app to False in gunicorn config for LMS and Studio.
 - Role: analytics_api
   - Added `ANALYTICS_API_AGGREGATE_PAGE_SIZE`, default value 10.  Adjust this parameter to increase the number of
     aggregate search results returned by the Analytics API, i.e. in course_metadata: enrollment_modes, cohorts, and

playbooks/roles/edxapp/templates/cms_gunicorn.py.j2

@@ -5,7 +5,7 @@ gunicorn configuration file: http://docs.gunicorn.org/en/develop/configure.html
 """
 import multiprocessing
 
-preload_app = True
+preload_app = False
 timeout = 300
 bind = "{{ edxapp_cms_gunicorn_host }}:{{ edxapp_cms_gunicorn_port }}"
 pythonpath = "{{ edxapp_code_dir }}"

playbooks/roles/edxapp/templates/lms_gunicorn.py.j2

@@ -5,7 +5,7 @@ gunicorn configuration file: http://docs.gunicorn.org/en/develop/configure.html
 """
 import multiprocessing
 
-preload_app = True
+preload_app = False
 timeout = 300
 bind = "{{ edxapp_lms_gunicorn_host }}:{{ edxapp_lms_gunicorn_port }}"
 pythonpath = "{{ edxapp_code_dir }}"