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Grouping to accommodate parallel execution of multiple activities when multiple CPU available. Since FEWS 2017.01 it is optionally possible to run the parallel activities on multiple forecasting shells. Parallel activities should only be configured when the underlying activities have no data dependency. If data dependency exists, activities should be executed in sequence. This may be forced by embedding them as part of a sequence group. To run on multiple FSS specify multipleForecastingShells=true. Note that all taskrun partitions receive the same scheduledDispatchedTime. In order to be run successfully, they need to be dispatched within amount of seconds specified by the fews.master.mc.conf launcher maxlatetime, otherwise the taskruns may become terminated because they are overdue.
workflow:parallel - split ensemble loops and locations loops over multiple forecasting shells
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