Difference between revisions of "Platform Components"

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===Platform Software Stack===
<includeonly>===Platform Components===</includeonly>
These components that are part of a platform deployment:
<blockquote>
;Application Server:The Application Server is a web application that runs in the Common Tomcat Platform (CTP) container.


This diagram shows how the server processes that make up the LongJump Platform relate to one another:
;(Optional) Apache HttpD:Alternatively, the Apache <tt>httpd</tt> web server can be used to serve static content. In that case, the platform runs as an application server behind the Apache <tt>httpd</tt> web server. Those instances can be running on the same server, or on different servers, so either of these configurations is possible:


:[[File:server_processes.png]]
;(Optional) Messaging Server:The messaging server <!--handles traffic generated by a [[Twitter Search]]. It also -->provides for on-screen notifications when people are viewing the same case.
 
;LongJump Application:The LongJump Application Server is a web app that runs in the Apache Tomcat container, so it can be deployed as a standalone web server. That configuration is useful for testing, experimentation, and other low-volume scenarios:
 
::[[File:LongJump_as_WebServer.png]]
 
;(Optional) Apache HttpD:Alternatively, the Apache <tt>httpd</tt> web server can be used to serve static content. In that case, LongJump acts as the application server behind the Apache <tt>httpd</tt> web server. Those instances can be running on the same server, or on different servers, so either of these configurations is possible:
 
::[[File:LongJump_with_Apache_WebServer.png]]


;MySQL Database:[http://en.wikipedia.org/wiki/MySQL MySQL] is a relational database with capacities for redundancy, failover, backup, distributed access, and transactional integrity. That platform makes data look like Java objects to application developers. That makes applications easier to develop. But under the covers, the reliability and robustness of a mature relational database provides for data safety and rapid access.
;MySQL Database:[http://en.wikipedia.org/wiki/MySQL MySQL] is a relational database with capacities for redundancy, failover, backup, distributed access, and transactional integrity. That platform makes data look like Java objects to application developers. That makes applications easier to develop. But under the covers, the reliability and robustness of a mature relational database provides for data safety and rapid access.
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;Memcached:The MEMory CACHE Daemon (<tt>[http://memcached.org/ memcached]</tt>) is an optional, but highly recommended process that stores frequently-accessed data in memory, so it can be retrieved with maximum speed.
;Memcached:The MEMory CACHE Daemon (<tt>[http://memcached.org/ memcached]</tt>) is an optional, but highly recommended process that stores frequently-accessed data in memory, so it can be retrieved with maximum speed.
 
</blockquote>
<noinclude>


[[Category:Installation]]
[[Category:Installation]]
</noinclude>

Latest revision as of 10:11, 16 October 2019

These components that are part of a platform deployment:

Application Server
The Application Server is a web application that runs in the Common Tomcat Platform (CTP) container.
(Optional) Apache HttpD
Alternatively, the Apache httpd web server can be used to serve static content. In that case, the platform runs as an application server behind the Apache httpd web server. Those instances can be running on the same server, or on different servers, so either of these configurations is possible:
(Optional) Messaging Server
The messaging server provides for on-screen notifications when people are viewing the same case.
MySQL Database
MySQL is a relational database with capacities for redundancy, failover, backup, distributed access, and transactional integrity. That platform makes data look like Java objects to application developers. That makes applications easier to develop. But under the covers, the reliability and robustness of a mature relational database provides for data safety and rapid access.
Replicated Database
Database replication is a virtual necessity for any successful deployment. It safeguards data, and it allows for efficient backup and reporting from the replicated database, to minimize response time to users.
Memcached
The MEMory CACHE Daemon (memcached) is an optional, but highly recommended process that stores frequently-accessed data in memory, so it can be retrieved with maximum speed.