Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

ComponentDescriptionHardware requirementsOperating system/ Software requirementsInstances
Operator Client (Gui)

The Delft-FEWS client used by end-users.

client side, normal pc

Windows 7 / 8 / 10, Server 2008 / 2012(R2)

Linux RedHat Enterprise, CentOS (6.x 64 bit, 7.x 64 bit) / SLES (11.x, 12.x)

As many as there are clients

ConfigManager

 

Control and distribute configuration via the Master Controller database.

client side, normal pc

Windows 7 / 8 / 10, Server 2008 / 2012(R2)

Linux RedHat Enterprise, CentOS (6.x 64 bit, 7.x 64 bit) / SLES (11.x, 12.x)

As many as there are application managers
Forecasting Shell Server

Executes forecast models and stores the results in the central database.

Minimum 2 GB RAM and 1 one CPU core per Forecasting Shell Server instance. CPU typically Intel Xeon E5606 2.33 GHz or equivalent. Always reserve 1 CPU core for the OS.

Windows 7 / 8 / 10, Server 2008 / 2012(R2)

Linux RedHat Enterprise, CentOS (6.x 64 bit, 7.x 64 bit) / SLES (11.x, 12.x)


Contains modelling software (incl. licenses), OS usually dependent on 3rd party modules and modelling software

Recommended minimum 2, more depends on computational load
Master Controller Server

Dispatches tasks to the Forecasting Shell Servers.

Maintenance of central database.

Synchronisation between master-controllers.

Sends system alerts.

 

Minimum 1 GB RAM per MC instance. CPU typically Intel Xeon 2.33 GHz or equivalent.

Windows 7 / 8 / 10, Server 2008 / 2012(R2)

Linux RedHat Enterprise, CentOS (6.x 64 bit, 7.x 64 bit) / SLES (11.x, 12.x)


Other Unix-like operating systems possible (e.g. HP-UX, Solaris), as long as there is a JDK of the correct version available for the OS. JBoss 4 / 5 or ActiveMQ are required for the JMS layer.

1 or 2
Central DatabaseCentral data repository

See Database vendor requirements + 8 GB RAM per DB server including 1 MC DB instance and. CPU typically Intel Xeon E5606 2.33 GHz or equivalent. Add 1 GB RAM per extra MC DB instance.

Oracle 9 / 10 / 11 / 12

PostgreSQL 8.4 / 9.2 / 9.3 / 9.4

MS SQLServer 2008 / 2008R2 / 2012 / 2014


The database instance(s) can be a hosted on an existing database server or cluster.
1 One instance per Master controller
Admin Interface

Super-user monitoring, system control and task scheduling

Minimum 1 GB RAMApache Tomcat 6 / 71One instance per Master-Controller machine
Archive Server

Stores forecast data, performance indicator data and configurations on a longer time scale than in the central FEWS system.

Ample storage space for Archive files

Apache Tomcat 6 / 7

Separate database instance with same requirements as Central Database for Master Controller.

1
"NFFS/FEWS" Web Server (optional)For disseminating forecast data and data from other sourcesTypically 1 GB RAM per server instance and CPU Intel Xeon 2.33 GHz or equivalent.Weblogic 11g with an Oracle Database. JBoss as Application Server and Databases PostgreSQL 8.4 and MS SQL Server 2000/2005 supported1 or 2

...

Typically in a dual master-controller setup every master-controller has its own machine so that maintenance can take place without offline time.

Java JRE versions

Note that java should never be installed in a browser. Delft-FEWS only uses the java JRE in embedded form.

VersionRequired JRE
Delft-FEWS 2015.01 and newerJava JRE 32bit 8 update 45
Delft-FEWS 2013.01 until 2015.01Java JRE 32bit 7 update 71
Delft-FEWS versions before 2013.01Java JRE 32bit 6 update 45