Hi:
I are trying to use PUB/SUB with epgm – and what I am observing is that
sometimes one of the receivers stops receiving data.
With Iperf and UDP, the boxes I am using can sustain 500Mbps with no loss
(or very little) – but the epgm receiver is clunking out at 100Mbps or even
lower data rates
I am using RHEL5 and zeromq-2.1.7
I’ve turned on the openpgm trace/debug messages – afaict once the epgm
receiver sustains “a lot” of packet loss its just not able to start-over
again
My questions are:
1. Is there a way to reset the receiver once this happens?
2. Has anyone experimented with changing the size of the rxw (it
currently uses 33333) – and the various timers NAK_RB_IVL, NAK_RPT_IVL and
NAK_RDATA_IVL (something akin to TCP tuning?)
3. Also occasionally I see the following assertion failed sometime
after everything has gone to zero:
Assertion failed: pending_bytes == 0
(pgm_receiver.cpp:142)
Thank you for any help – or pointers on where to look.
Ladan
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