Running many parallel instances - Revision history

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2021-12-10T10:55:24Z

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Revision as of 12:55, 10 December 2021

old>Admin: Admin moved page Running many isolated instances to Running many parallel instances

2016-07-03T23:09:19Z

Admin moved page Running many isolated instances to Running many parallel instances

← Older revision	Revision as of 01:09, 4 July 2016
(No difference)

old>Admin at 23:07, 3 July 2016

2016-07-03T23:07:28Z

← Older revision		Revision as of 01:07, 4 July 2016
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	Before you go for a side-by-side setup please consider		Before you go for a side-by-side setup please consider
	# Examine possibilities to use Exclusive group data ownership		# Examine possibilities to use Exclusive group data ownership (easy)
	# Using docker containers		# Using docker containers (grants full application isolation)

	==== Server setup (Tomcat) ====		==== Server setup (Tomcat) ====

old>Admin: /* Preflight checklist */

2016-07-03T22:36:47Z

Preflight checklist

← Older revision		Revision as of 00:36, 4 July 2016
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	~~==== Preflight checklist ====~~
	Before you go for a side-by-side setup please consider		Before you go for a side-by-side setup please consider
	# Examine possibilities to use Exclusive group data ownership		# Examine possibilities to use Exclusive group data ownership

old>Admin: /* Preflight checklist */

2016-07-03T22:36:12Z

Preflight checklist

← Older revision		Revision as of 00:36, 4 July 2016
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	=== Preflight checklist ===		==== Preflight checklist ====
	Before you go for a side-by-side setup please consider		Before you go for a side-by-side setup please consider
	# Examine possibilities to use Exclusive group data ownership		# Examine possibilities to use Exclusive group data ownership

old>Admin: /* Basic setup */

2016-07-03T22:33:40Z

Basic setup

← Older revision		Revision as of 00:33, 4 July 2016
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	# Using docker containers		# Using docker containers

	==== ~~Basic~~ setup ====		==== Server setup (Tomcat) ====
	* Put WAR file in a shared location		* Put WAR file in a shared location
	* Add descriptor file for each application in: /<tomcat>/conf/Catalina/localhost/		* Add descriptor file for each application in: /<tomcat>/conf/Catalina/localhost/

old>Admin: /* Basic setup */

2016-07-03T22:31:42Z

Basic setup

← Older revision		Revision as of 00:31, 4 July 2016
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	* Put WAR file in a shared location		* Put WAR file in a shared location
	* Add descriptor file for each application in: /<tomcat>/conf/Catalina/localhost/		* Add descriptor file for each application in: /<tomcat>/conf/Catalina/localhost/

			The file should contain a references in the codebase section

			<?xml version="1.0" encoding="UTF-8"?>
			<Context path="/TempusServa" docBase="C:/SharedApplications/TempusServa.war">
			....

	Note that new descriptor files can be added at runtime, and will not require a server restart.		Note that new descriptor files can be added at runtime, and will not require a server restart.

old>Admin: /* Preflight checklist */

2016-07-03T22:04:01Z

Preflight checklist

← Older revision		Revision as of 00:04, 4 July 2016
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	# Using docker containers		# Using docker containers

	==== ~~Adding more instances~~ ====		==== Basic setup ====
			* Put WAR file in a shared location
			* Add descriptor file for each application in: /<tomcat>/conf/Catalina/localhost/

			Note that new descriptor files can be added at runtime, and will not require a server restart.

			==== Handling updates ====
			Updates to the application are easy
			# Update the .war file in the shared location
			# Stop the application server
			# Remove all folders inside /<tomcat>/webapps
			# Start the application server

	==== Saving memory ====		==== Saving memory ====

old>Admin: /* Saving memory */

2016-07-03T21:58:28Z

Saving memory

← Older revision		Revision as of 23:58, 3 July 2016
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	Move all .jar files from the war files /WEB-INF/lib folder, except for: p2eShared.jar.		Move all .jar files from the war files /WEB-INF/lib folder, except for: p2eShared.jar.

	The easy way to complete this this task is to rename the .war til .zip, move the files, and rename back to .war.		The easy way to complete this this task is to rename the .war til .zip, move the files, and rename back to .war.

old>Admin: Created page with "=== Preflight checklist === Before you go for a side-by-side setup please consider # Examine possibilities to use Exclusive group data ownership # Using docker containers ===..."

2016-07-03T21:58:06Z

Created page with "=== Preflight checklist === Before you go for a side-by-side setup please consider # Examine possibilities to use Exclusive group data ownership # Using docker containers ===..."

New page

=== Preflight checklist ===
Before you go for a side-by-side setup please consider
# Examine possibilities to use Exclusive group data ownership
# Using docker containers

==== Adding more instances ====

==== Saving memory ====
Each application instance will consume 20 MB of PermGen memory (clasloader memory) if the document building functions are in use (approx. 5 mB instance if not).
In order to reduce this amount to approx. 2 mB/application, all shared librarys could be moved to the webservers shared folder (Tomcat 6 is "lib").

This approach is only recommended if:
* You are running no other applications on that particular webserver (can be done)
* Sure that all applications will be using the same TS version

Move all .jar files from the war files /WEB-INF/lib folder, except for: p2eShared.jar.
The easy way to complete this this task is to rename the .war til .zip, move the files, and rename back to .war.