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Author SHA1 Message Date
Clayton O'Neill
c7e76967c8
Add internal event queuing and flushing
At high traffic levels, the locking around sending on channels can cause
a large amount of blocking and CPU usage.  These adds an event queue
mechanism so that events are queued for short period of time, and
flushed in batches to the main exporter goroutine periodically.

The default is is to flush every 1000 events, or every 200ms, whichever
happens first.

Signed-off-by: Clayton O'Neill <claytono@github.com>
2019-06-04 06:57:48 -04:00