Github user dlyle65535 commented on the issue:
https://github.com/apache/incubator-metron/pull/556
tl;dr - I'm +1 with the combined report, just wanted to understand the
trade space.
You have it right. I think the combined view is useful, but we probably
should do some noodling around what constitutes a unique event. The way I think
about is this (though I may be all wet).
If we have sufficient clock granularity, src/dst/time is unique.
If we don't then UNION ALL runs a risk of overcounting but UNION runs the
risk of undercounting.
Either way, I'm good and my default position would be to overcount.
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