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Many clients wish to know what the hardware and operating system requirements are for Delft-FEWS. On this page you can find a list of specifications. If you have any question about the list, or you do not see the operating system of your choice: please contact us. This list is not exhaustive.

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Forecasting Shell Server
The forecasting shell server is the server for execution of forecast runs. It contains the modelling software and it's operation is controlled by the Master Controller

  • advised internal memory and CPU: Minimum 1 GB RAM and 1 one CPU core per FSS instance, CPU typically Intel Xeon 2.33 GHz or equivalent.
  • operating system: Windows 2000/XP/2003, Linux RedHat/CentOS/SUSE contains modelling software (incl. licenses), OS usually dependent on 3rd party modules and modelling software
  • amount needed: Minimum 2, more depends on computational load

Master Controller Server
The master controller organises task traffic and scheduling

  • advised internal memory and CPU: 800 MB RAM per MC instance. CPU typically Intel Xeon 2.33 GHz or equivalent.
  • operating system: Linux RedHat/CentOS/SUSE, Windows 2000/2003. Other Unix-like operating systems possible (e.g. HP-UX, Solaris), as long as there is a Sun JDK 1.5 (and 1.6 in the near future) available for the OS. JBoss 4.0.2 or Weblogic 8.1 SP3 (may be on a separate server)
  • amount needed: 1 or 2

Central Database
This is the central data repository, linked to the master controller. We support Oracle 10g (back to Oracle 9 supported), PostgreSQL 8.2, MS SQLServer 2000/2005. This list is not exhaustive, so contact us if you are thinking of using a different database or a different type.

  • advised internal memory and CPU: See Database vendor requirements. Typically 1 GB RAM per DB instance and CPU Intel Xeon 2.33 GHz or equivalent.
  • The database instance(s) can be a hosted on an existing database server or cluster.
  • uses 1 instance for each Master controller

Operator clients
The operator client (Gui) is the user end - thick client, multiplied by copying. The operator client uses a local datastore, usually MsAccess or the open source Firebird db.

  • advised internal memory and CPU: none, normal pc
  • operating system: Windows 2000/XP/2003, Linux RedHat/CentOS/SUSE
  • amount needed: as many as there are clients
  • possibilities to use under CITRIX available
  • using a mouse with scroll wheel is recommended

Webserver
The webserver is an optional server that hosts and distributes the webpages generated by Delft-FEWS. Hardware requirements depend on the intended use.

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