[zeromq-dev] general strategy for sending data over epgm

Steven McCoy steven.mccoy at miru.hk
Thu Dec 13 22:21:07 CET 2012

On 3 December 2012 15:39, mlist user <mlist.user8080 at gmail.com> wrote:

> Hi list,
> First post here. I would like to figure out how you guys manage to
> send data at certain frequency.
> For e.g., if I send small'ish {k,v} over epgm over 100mb link with
> 0.60ms RTT, i need to sleep only 2 second per send.
> But, this is not applicable to large {k, v} over epgm. I need to sleep
> more than 12 second per send!

Can you confirm reliability is working?  Wireshark can be used to monitor
the protocol.  If you are sending too fast, e.g. > 60% capacity of the
network you may see packet loss and thus NAKs from the receivers and RDATA
packets from the senders.  Monitor the network capacity to ensure that both
the original data and repair data are not saturating the network.

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