kaijianding 4be3eb0ce7 report message gap, source gap and sink count in RealtimePlumber (#3744)
* report message gap, source gap and sink count in RealtimePlumber

* report message gap, sink count in Appenderator

* add ingest/events/sourceGap in metrics.md

* remove source gap
2016-12-13 11:23:02 -06:00
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2016-02-04 09:37:38 -08:00
2016-02-04 09:37:38 -08:00