DUNE-DAQ / minidaqapp

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Kbiery/reduce fragment loss at stop #38

Closed bieryAtFnal closed 3 years ago

bieryAtFnal commented 3 years ago

In certain stressful conditions (e.g. 10 links, no slowdown factor, moderately powerful computer), I see occasional missing Fragments at the end of a run when testing a 1-process and a 3-process system. (The 3-process system is RU, DF, and TRG.) These tests use the FakeCardReader.

I found that using a different order for Stop commands to the 3 processes resulted in fewer missing fragments.