[ET Trac] [Einstein Toolkit] #536: Don't overload machines while building

[Einstein Toolkit]

#536: Don't overload machines while building
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 Reporter:  eschnett     |       Owner:  eschnett
     Type:  enhancement  |      Status:  new     
 Priority:  optional     |   Milestone:          
Component:  SimFactory   |     Version:          
 Keywords:               |  
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 Certain machines are easily overloaded by building Cactus; building
 multiple configurations at the same time is not possible there. For
 example, LONI does not have sufficient compiler licences, or Orca
 (Sharcnet) does not allow sufficiently many user processes. On LONI,
 things will be very slow (also for other users), on Orca building will
 fail with strange error messages.

 I suggest a mechanism that automatically serialises building Cactus
 configuration on certain sets of machines. Ideally, one would extend the
 "make -j" mechanism for this; practically, an implementation via locks may
 be simpler. Note that this has to work for sets of machines, not just
 single machines.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/536>
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