It's very roboust, it's just to debug event listener leaks, which may happen if you're attaching the same listener to the same event emitter over and over again.
Cheers, Fedor. On Thu, Nov 15, 2012 at 5:45 PM, Ben Noordhuis <[email protected]> wrote: > On Thu, Nov 15, 2012 at 10:21 AM, Felix E. Klee <[email protected]> > wrote: > > 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? > > Don't read too much into it, it's just a warning. If you have a > legitimate reason to add 10+ listeners, go ahead and increase > maxListeners. > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
