If you increase ability to flood on one flow, then you need to make sure
receiver has big rcvbuf as well.
echo 2000000 >/proc/sys/net/core/rmem_default
Otherwise it might drop bursts.
This is the kind of things that TCP does automatically, not UDP.
An alternative, if the application involved can make explicit
setsockopt() calls to set SO_SNDBUF and/or SO_RCVBUF, is to tweak
rmem_max and wmem_max and then let the application make the setsockopt()
calls.
Which path one would take would depend on circumstances I suspect.
rick jones
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