[ET Trac] [Einstein Toolkit] #1743: Reduce number of output files per directory

[Einstein Toolkit]

#1743: Reduce number of output files per directory
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  Reporter:  eschnett  |       Owner:                     
      Type:  defect    |      Status:  review             
  Priority:  unset     |   Milestone:                     
 Component:  Other     |     Version:  development version
Resolution:            |    Keywords:                     
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Comment (by eschnett):

 In CarpetSimulationIO (my new output thorn), I introduce a parameter that
 selects the maximum number of output files per directory. Files are then
 automatically split over sub-directories as necessary. The root process
 also creates a single file containing the relevant metadata as well as
 HDF5 external links to the datasets in the files in the subdirectories.

 We should have a ET developers' day for SimulationIO. That's probably more
 accessible than FunHPC as well, thus there might be more interest.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1743#comment:20>
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