SYMPTOM:
When running some parallel jobs on large cases, the jobs may hang with no warning or error message. Often one or more solver processes become inactive, and the Solver Manager may become unresponsive.

PROBLEM:
This is due to an over-estimation of space needed for the Memory Management System (MMS) by the solver.


WORKAROUND:
Scale down the allocated space for the MMS by adding the following command to the CCL:

...
SOLVER CONTROL:
Catalogue Size Multiplier = 0.02
END
...

FIXED IN:
Release 11.0.





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