[zeromq-dev] Package Loss in PUSH/PULL

[蒋达晟]

I've confirmed that the lost package between sender/receiver is serial.  The approximate time of the interval is around 1 ~ 3s But I check the FD of sending socket, it doesn't change during the procedure.  

> From: ph at imatix.com
> Date: Sat, 12 Jul 2014 16:30:43 +0200
> To: zeromq-dev at lists.zeromq.org
> Subject: Re: [zeromq-dev] Package Loss in PUSH/PULL
> 
> Yes, you can monitor the sending socket for reconnections.
> 
> On Sat, Jul 12, 2014 at 4:23 PM, 蒋达晟 <dsjiang753 at hotmail.com> wrote:
> > Sorry for misleading, I use serial id for the sender, so the lost package
> > may be serial for the sender-receiver pair.
> > Is there any way to identify if a re-connection happens?
> >
> > ________________________________
> > From: dsjiang753 at hotmail.com
> > To: zeromq-dev at lists.zeromq.org
> > Date: Sat, 12 Jul 2014 14:13:02 +0000
> >
> > Subject: Re: [zeromq-dev] Package Loss in PUSH/PULL
> >
> > All the process is alive during the procedure.
> > And I don't think there is a re-connection ever happen due to the lost
> > package is non-serial.
> >
> >
> >> From: ph at imatix.com
> >> Date: Sat, 12 Jul 2014 16:01:36 +0200
> >> To: zeromq-dev at lists.zeromq.org
> >> Subject: Re: [zeromq-dev] Package Loss in PUSH/PULL
> >>
> >> Is there any trace of processes dying and restarting?
> >>
> >> On Sat, Jul 12, 2014 at 3:45 PM, 蒋达晟 <dsjiang753 at hotmail.com> wrote:
> >> > Hi,
> >> >
> >> > I'm using zeromq on a cluster with 1000 machines. I need to transfer
> >> > data
> >> > between each peer and I use the PUSH/PULL mode, but surprisingly I found
> >> > that some of the messages are lost. The percentage is quite low, but I
> >> > can't
> >> > figure why this will happen, can anyone help me?
> >> > The loss rate is about 1MB~10MB every 10TB
> >> > The pattern is that only a few machines (less than 10) will have this
> >> > problem on an uncertain period (not the beginning/end, non-serial for
> >> > the
> >> > sender, not sure if all on the same receiver).
> >> > Environment: Redhat 4, zeroMQ (4.03/4.04), using the Java binding.
> >> >
> >> > Thanks!
> >> >
> >> > Dasheng Jiang
> >> >
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