A helpful denizen of IRC pointed me to the ZeroMQ Jira, where I filed an issue:
https://zeromq.jira.com/browse/LIBZMQ-317 Mike Craig On Mon, Jan 23, 2012 at 4:11 PM, Michael Craig <[email protected]> wrote: > Toralf determined that this bug relates to the receive high water mark, > and it seems to be a problem with the native library. If ZMQ_RCVHWM is set > to 1000 (the default), then the last message of a 1001-message batch is > lost. Both of us have posted test cases (in C++ and C) on the GitHub issue > page for zeromq-haskell: > https://github.com/twittner/zeromq-haskell/issues/13 > > Mike Craig > > > > On Mon, Jan 23, 2012 at 12:49 PM, Michael Craig <[email protected]> wrote: > >> Updates on the GitHub issue page. Bug seems to be specific to the 1001st >> message sent and common across transports and socket types. I'm pretty sure >> it's a problem with the library, not a core library issue. >> >> Mike Craig >> >> >> >> >> On Mon, Jan 23, 2012 at 12:01 PM, Michael Craig <[email protected]> wrote: >> >>> Oops, pasted the same link twice. I just added this as an issue on the >>> github page for the library, so you can see the code there: >>> >>> https://github.com/twittner/zeromq-haskell/issues/13 >>> >>> Mike Craig >>> >>> >>> >>> >>> On Mon, Jan 23, 2012 at 11:46 AM, Michael Craig <[email protected]>wrote: >>> >>>> I'm using the Haskell binding to ZeroMQ 3.x (found here: >>>> http://hackage.haskell.org/package/zeromq3-haskell-0.1.2) on ghc >>>> 7.2.1 on Max OS X 10.7. >>>> >>>> I was trying to write a throughput test for Pair sockets and came >>>> across a bug (I think). Here's the code: >>>> http://hackage.haskell.org/package/zeromq3-haskell-0.1.2 >>>> >>>> `pusher n` sends a message saying "n", followed by n more messages, >>>> each of which says "i" w/ 1 <= i <= n. >>>> `puller` reads "n" from the first message and then receives n more >>>> messages, printing each as it gets them and timing the whole process. (The >>>> printing behavior was put in after the bug was found.) >>>> >>>> Start two separate ghci sessions and call one of the above in each. On >>>> my machine, `pusher 1` up through `pusher 999` run as expected, but `pusher >>>> 1000` or any higher hangs while receiving the 1000th message. >>>> >>>> Thoughts? >>>> >>>> Cheers, >>>> Mike Craig >>>> >>>> >>> >> >
_______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
