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agent/local: clarify the non-risk of a full buffer

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Mitchell Hashimoto 2018-05-02 14:31:03 -07:00
parent 437689e83c
commit d9bd4ffebd
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1 changed files with 5 additions and 1 deletions
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6
agent/local/state.go
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@ -722,7 +722,11 @@ func (l *State) Proxies() map[string]*ManagedProxy {
// NotifyProxy will register a channel to receive messages when the
// configuration or set of proxies changes. This will not block on
// channel send so ensure the channel has a large enough buffer.
// channel send so ensure the channel has a buffer. Note that any buffer
// size is generally fine since actual data is not sent over the channel,
// so a dropped send due to a full buffer does not result in any loss of
// data. The fact that a buffer already contains a notification means that
// the receiver will still be notified that changes occurred.
//
// NOTE(mitchellh): This could be more generalized but for my use case I
// only needed proxy events. In the future if it were to be generalized I