Thanks for the reply Bogdan, After controlling what needs to be trace using
hep, I was able to eliminate the above error. Its not happening now, It appears
to be related with trying to capture all brute-force scan pkt causing the
issue. But I'm not 100% sure, I'll try to do what you suggest and see how it
goes.
On Monday, 4 February 2019, 1:20:46 PM GMT+5:30, Bogdan-Andrei Iancu
<bog...@opensips.org> wrote:
Hi Pasan,
The "Resource temporarily unavailable" is similar to EAGAIN or EWOULDBLOCK -
meaning that the send will block. But this is an UDP protocol, so there is
nothing much to block - as UDP is a stateless protocol. Unless it is the buffer
in the TCP/IP stack,between the application layer and the actual network layer
- like the opensips is bursting data, but the kernel has no time to actually
put it on wire.
Try to monitor with netstat the size of the out buffer for the hep socket (on
opensips side), and see if you see buffered data there (especially correlated
with the logs you see).
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit 2019
https://www.opensips.org/events/Summit-2019Amsterdam/
On 01/16/2019 05:06 AM, Pasan Meemaduma via Users wrote:
Hi Guys,
I have following setup for homer integration with opensips. I'm having an
issue where opensips complains with following error time to time. I tried
tuning up buffer sizes, but it doesn't seems to help. Any suggestion on how to
get rid of this ?
I'm using opensips 2.3.6
<err> /usr/sbin/opensips[27139]: ERROR:proto_hep:hep_udp_send:
sendto(sock,0x7fc2facaff58,5792,0,0x7fc2fa84d858,16): Resource temporarily
unavailable(11)
sip traffic -> internet facing interface (public ip) (opensips)
internal admin interface (private ip ) udp:9060 ---- > udp:9060
internal admin interface (private ip) (opensips sip capturer)
When the above error pops out it appears all legit connections get drop too
for a brief period. I tried to increate send/recev buffer sizes, but that
didn't help.
net.core.rmem_max net.core.rmem_default
net.core.wmem_max net.core.wmem_default
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