Node reports:
(node) warning: possible EventEmitter memory leak detected. 11
listeners added. Use emitter.setMaxListeners() to increase limit.
That there are more than 10 event listeners in my app is no surprise:
For every Socket.IO socket, I set up `n` listeners on "connect" to the
Redis database. The number `n` is around 10 (it corresponds to the
number of certain Redis keys).
To sum up, with every client (browser) connect, about 10 listeners for
the Redis "connect" event are added. So in the end, there may be
thousands of listeners for the Redis "connect" event.
I'd like to keep it that way, as the solution appears simple and robust.
However the above warning makes me suspicious: Is the solution no so
robust after all? Are there potential problems?
Or could I just do `emitter.setMaxListeners(0)`, and that's it?
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