Many clients wish to know what the hardware and operating system requirements are for a Delft-FEWS live system. 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. ComponentsSupported release versions Excerpt Include |
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| Delft-FEWS supported release versions |
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| Delft-FEWS supported release versions |
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Third party componentsDeltares cannot support any release that is marked as end of life by the supplier. For a quick check whether a component is still supported: Excerpt Include |
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| Third party software life cycles |
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| Third party software life cycles |
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Operating Systems Excerpt Include |
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| Operating System requirements - 2020.02 and later |
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| Operating System requirements - 2020.02 and later |
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Central database Excerpt Include |
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| Central database hardware and software requirements |
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| Central database hardware and software requirements |
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Master Controller Server Excerpt Include |
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| Master Controller requirements |
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| Master Controller requirements |
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Admin Interface Excerpt Include |
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| Admin Interface requirements |
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| Admin Interface requirements |
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Operator Client Excerpt Include |
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| Operator Client requirements |
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| Operator Client requirements |
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Forecasting Shell Server Excerpt Include |
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| Forecasting Shell requirements |
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| Forecasting Shell requirements |
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| Master Controller ServerDatabase Proxy Excerpt Include |
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| Master Controller Database proxy requirementsMaster Controller |
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| Database proxy requirements |
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Deltares Open Archive Excerpt Include |
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| Deltares Open Archive requirements |
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| Deltares Open Archive requirements |
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WebserverThe webserver is an optional server that hosts and distributes the webpages generated by Delft-FEWS. Hardware requirements depend on the intended use. FEWS Web ServicesThis is an optional service which allows SOAP/PI-REST clients to interact with and retrieve data from the Delft-FEWS system. Hardware requirements depend on the intended use, but a minimum of 1GB heap size is needed to start the FEWS Web Services. In general it is not recommended to have the PiService on the same machine as the master-controller.
Requirements overview Excerpt Include |
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| Requirements overview - 2018.02 and later |
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| Requirements overview - 2018.02 and later |
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Scalability, number of serversThe components mentioned above can all be located on one (powerful) server or each on an individual machine, with all possible configurations in between. It is however common practice to separate the Forecasting Shell server from the Master-controller server. When using multiple machines it is essential that all machines have matching clocks. This can be achieved by making use of one and the same ntp server. A typical configuration is: - Master Controller server running Master Controller(s), Apache Tomcat for Admin Interface
- Open Archive Server
- Database Server
- Forecasting Shell Server(s)
Typically in a dual master-controller setup every master-controller has its own machine so that maintenance can take place without offline time. VirtualizationIt is very well possible to deploy the master-controller components / forecasting shells in virtualized environments. The Deltares ICT team has most experience with Delft-FEWS on VMWare VSphere with in-depth knowledge but Delft-FEWS is also known to run on Microsoft Hyper-V. Virtualization of the Delft-FEWS back-end services can generally be done without problems. Take into account that (not Delft-FEWS related) modelling software may have other requirements or limitations with respect to virtualization of the Forecasting Shells. Grid computingFEWS can work with grid computing. Especially when working with heavy computations, e.g. ensemble forecasting or 3d hydraulic computing, this can be an interesting option to explore. It is recommended to contact the Delft-FEWS product management beforehand. Windows VC redistributables Excerpt Include |
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| Windows requirements - 2020.01 and before |
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| Windows requirements - 2020.01 and before |
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SecurityRead more about the shared responsibility model. >> Expand |
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title | Shared responsibility model |
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| Excerpt Include |
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| Security - Shared responsibility model for Delft-FEWS system installations |
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| Security - Shared responsibility model for Delft-FEWS system installations |
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