nats-io / gnatsd / 3125

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travis-ci

New fan-in logic

Reworked fan in logic. We do not hold locks during IO, either read or write.
On scenarios where we can get behind mostly due to fan-in from fast producers
we detect and create a stall channel. Once we catch up we close the stall channel
to release all blocked producers. Producers have an upper bound on how long
they will be stalled.

Signed-off-by: Derek Collison <derek@nats.io>

24 of 24 new or added lines in 1 file covered. (100.0%)

13191 of 14428 relevant lines covered (91.43%)

97630.04 hits per line