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HUE-8888 [docs] Refresh the high level architecture diagram

Romain 5 жил өмнө
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docs/docs-site/content/administrator/administration/reference.md

@@ -20,9 +20,9 @@ In practice ~50 users / Hue peak time is the rule of thumb. This is accounting f
 
 ## General Performance
 
-* Hue must be behing a load balancer proxying static files. In Cloudera Manager Hue ships with HTTPD.
+* Hue must be behing a load balancer proxying static files. e.g. NGINX is used for the containers, Cloudera Hue ships with HTTPD.
 * Adding more Hue instances behind the load balancer will increase performances by 50 concurrent users.
-* Database backend should be such as MySql/Postgres/Oracle. Hue does not work on SQLite as it makes concurrent calls to the database.
+* Database backend should be such as MySql/Postgres/Oracle. Hue does not work on SQLite as it makes concurrent write calls to the database.
 * Check the number of documents in the Hue database. If they are too many (more than 100 000), delete the old records:
   Stop the Hue service. Log on to the host of your Hue server. Go to Hue directory and run following clean up [command](/administrator/administration/operations/#commands):
 

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docs/docs-site/content/developer/development/_index.md

@@ -101,6 +101,8 @@ saved queries in the database.)
 In addition to the web server, some Hue applications run
 daemon processes "on the side". Some examples are the `Celery Task Server`, `Celery Beat`.
 
+![Reference Architecture](/images/hue_architecture.png)
+
 ### Interacting with external services
 
 ![Interacting with Hadoop](/images/interactingwithhadoop.png)

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docs/docs-site/static/images/from30kfeet.png