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nthallen / monarch

Monarch Data Acquisition System
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Issues with Quit #115

Closed nthallen closed 4 years ago

nthallen commented 4 years ago

One more example of effects of sloppy shutdowns:

Extractions of the same data run under Cygwin and Linux differ in the number of data points reported. In one case, there are 39 additional rows of data at the end of the extraction. What is most likely happening is that the extraction is terminating before receive all the data from bfr, perhaps because bfr terminates before sending it. Either way, we are losing data.

This particular issue is not a very high priority simply because we usually don't care about the last few seconds or data. That said, 39 seconds is actually quite a bit, and we might well be curious about what was happening just at the end of the a run if something else was going wrong.

This issue of course relates to several other issues, so is something of a duplicate, but this is another aspect and the first clear evidence I have that this particular problem with bfr actually occurs.

nthallen commented 4 years ago

Resolved in 5f337d962d1ac758c1bbd6a2c926523e8e99a642.