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Force Channel API to poll

Hopefully Moishe sees this: in development mode, the channel api client (javascript) resorts to polling... and uses a very fast polling rate. After poking around I found that if I set

goog.appengine.Socket.POLLING_TIMEOUT_MS = interval;

I can control the polling rate. What I'm wondering is:

  • How do I know if/when the client is going to go into "poll mode" in production?
  • Is it possible to force the client into "poll mode"?
  • What happens if I reach the channel quota for my app? will the /_ah/channel/ endpoint just stop working altogether? or will it resort to polling?

-Thank you

like image 469
Nick Franceschina Avatar asked Feb 13 '11 22:02

Nick Franceschina


1 Answers

Answers:

  1. The client will never go into polling mode in production. The implementation is completely different in prod.

  2. See above

  3. The call to create_channel() will fail and you won't be able to get any more tokens. Existing tokens (and hence channels) will work until they time out.

Hope that helps!

-Moishe

like image 164
Moishe Lettvin Avatar answered Nov 07 '22 00:11

Moishe Lettvin