Änderungen von Dokument 06 Technische Voraussetzungen

Zusammenfassung

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Seiteneigenschaften

Titel

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1		-06 Technische Voraussetzungen
	1	+Technische Voraussetzungen

Inhalt

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4	4	Die Lernplattform ist eine web-basierte Anwendung und hauptsächlich in Java geschrieben. Folgende Standardanwendungen werden unterstützt:
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	87	+The learning platform is a web-based application mainly written in Java. The following standard applications are supported:
	88	+
	89	+* Web server: Apache
	90	+* Application server: Tomcat
	91	+* Management of data: PostgreSQL, XML
	92	+
	93	+To use this learning platform, you need an internet connection and a web browser (Google Chrome, Mozilla Firefox, Internet Explorer, etc.).
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	109	+== Hardware ==
	110	+
	111	+Recommendation for 300 concurrent users:
	112	+
	113	+* 8 GB RAM
	114	+* 2 CPUs > 2 GHz
	115	+* 200 GB HDD
	116	+
	117	+== Software ==
	118	+
	119	+We recommend Linux (64bit).
	120	+
	121	+The following distributions are currently used for productive instances:
	122	+
	123	+* Scientific Linux
	124	+* Red Hat Enterprise Linux
	125	+* Ubuntu
	126	+* Open Suse
	127	+* SUSE Linux Enterprise Server
	128	+
	129	+(% style="text-align: left;" %)
	130	+Other distributions are possible.
	131	+
	132	+(% style="text-align: left;" %)
	133	+=== Software components ===
	134	+
	135	+* Web server: Apache web server + mod_ssl (mod_jk or proxy_ajp)
	136	+* Database server: Postgresql
	137	+* Application server: Java 17, Apache Tomcat 9
	138	+
	139	+=== Distribution ===
	140	+
	141	+* Up to 300 concurrent users: All components on one server
	142	+* Up to 500 concurrent users: Separation between database server and application server
	143	+* Up to 800 concurrent users: Separation between database server, application server, and web server
	144	+* Up to 1200 concurrent users: Multiple OPAL nodes on the application server
	145	+* More than approx. 1500 concurrent users: Multiple application servers
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Datum

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	1	+2020-05-27 15:42:53.184