If you cannot drop messages, just increase the size of a channel buffer (the argument to the chan function). If the channel buffer is full, puts are placed in a channels 'put buffer', which is limited to 1024 puts.
Jozef On Thu, Mar 27, 2014 at 3:00 AM, Hanh Huynh Huu <hanh...@gmail.com> wrote: > Hi guys, > > I have an app that sometimes needs to put a lot of messages on a channel. > The rate is not directly under my control - the messages come from the > outside. > > As a quick test, I wrote this snippet > > (def c (chan (async/buffer 10240))) > > (go > (doseq [i (range 1024000)] > (>!! c i))) > > and i hit this exception: > Exception in thread "async-dispatch-14" java.lang.AssertionError: Assert > failed: No more than 1024 pending puts are allowed on a single channel. > Consider using a windowed buffer. > (< (.size puts) impl/MAX-QUEUE-SIZE) > > If I replace the buffer with a dropping buffer or a sliding buffer, it > works but I can't afford to drop messages. However, I'd be fine with a > larger buffer than 1024. > I also replaced the >!! with >! and async/put!, but the result is the same. > > Is there a way to achieve my goal? > > Thanks, > --h > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
