[zeromq-dev] Zeromq messages getting dropped

[Ritesh Adval]

Hi Min,

Thanks for the update.Just to confirm, 
Are you saying that this issue is on zeromq c library or jzmq c wrapper?

Just an update that when I replaced 
DEALER socket which connects to ROUTER socket of broker with REQ socket and replaced DEALER socket which connects to DEALER socket of broker with REP socket, then I do not see message loss when doing the same test. (REQ socket does "send" and then "recv" and REP does opposite  "recv" and "send")

-Ritesh
Sent from my iPhone.


On Jan 25, 2013, at 8:42 PM, Min <miniway at gmail.com> wrote:

> I was able to reproduce the issue on jzmq even on zeromq 3.2.2.
> 
> What I discovered is about last 30K bytes of 45K message was not sometimes delivered to in-router on raw close. 
> I didn't build equivalent C code, as jzmq is a thin wrapper of native C library it could have the same problem.
> 
> But I didn't find a clear solution yet.
> 
> Thanks
> Min
> 
> 
> On Thu, Jan 24, 2013 at 6:39 AM, Ritesh Adval <riteshadval at gaikai.com> wrote:
> Hello,
> 
> I have created a bug for this issue with instructions and java test case. Its at https://zeromq.jira.com/browse/LIBZMQ-497
> 
> Thanks
> Ritesh
> 
> 
> 
> 
> On Tue, Jan 22, 2013 at 6:30 PM, Ritesh Adval <riteshadval at gaikai.com> wrote:
> Thanks Min,
> 
> I will create a bug with instruction and unit test. I was also experimenting with Java only version of zeromq (https://github.com/zeromq/jeromq). When running same test it does not drop message but has some other issue.
> 
> -Ritesh
> 
> 
> 
> On Mon, Jan 21, 2013 at 11:53 PM, Min <miniway at gmail.com> wrote:
> Ritesh,
> 
> If you can reproduce the problem, Java code should be fine.
> 
> Community could look into it.
> 
> Thanks
> Min
> 
> 2013년 1월 17일 목요일에 Ritesh Adval님이 작성:
> 
> Hi Charles,
> 
> I have test program in JAVA, I am not a C programmer so i will probably take me time to reproduce this in C. Can someone first take a look at my JAVA program to see if I am not doing anything stupid.  Should I create bug and attach Java maven project?
> Its very easy to run it, all you need is zeromq 2.2.0 installed and jzmq built and installed by building jzmq (https://github.com/zeromq/jzmq).
> I can add instructions to the bug report. Once confirmed that program  looks right I can try to create a C version of the test but will take me some time.
> 
> let me know.
> 
> Thanks
> Ritesh
> 
> 
> 
> 
> On Wed, Jan 16, 2013 at 10:55 PM, Charles Remes <lists at chuckremes.com> wrote:
> On Jan 16, 2013, at 4:08 PM, Ritesh Adval <riteshadval at gaikai.com> wrote:
> 
> > Hi Charles,
> >
> > Yes I close the socket in my thread after sending 100 messages, and I expect that LINGER will make sure messages are sent to the other end, I expected that context termination will block and make sure any pending messages are sent, but thats not happening. context termination returns quickly.
> >
> > Just now tried again in my unit test by setting LINGER to Integer.MAX_VALUE explicitly in all my sockets and ran the test again and it did fail with messages getting dropped.
> >
> > The interesting thing is only the 100th message  (The last one) from some of my concurrent threads are getting dropped.
> 
> Time to show someone the code. That's the easiest way to figure it out. If you can reproduce this in C, that will get a lot more attention.
> 
> Here's how to open an issue:
> 
> http://www.zeromq.org/docs:issue-tracking
> 
> cr
> 
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