Shivaram Lingamneni d5528f6e56 execute rehash() in its own goroutine ...

This prevents a deadlock:

1. rehash() is executing on the main goroutine
2. it's trying to stop a listener goroutine
3. the listener goroutine needs to hand off a new connection to newConns
4. but the main goroutine is blocked by rehash() so it can't receive it

2017-09-11 14:03:53 -04:00

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