Displaying 1 result from an estimated 1 matches for "irq&cpu".
2013 Nov 06
1
Frequent RRL false negatives when using multiple server processes on Linux
...the socket / NIC
receive queue. The newly chosen process has the rrl hash bucket for the
flooding source/type empty and only after sending 200 replies it starts
blocking. (NB: The behaviour/interval of changing to a different
process may depend on what NIC / Linux kernel version / cpu scheduler /
irq&cpu affinity settings etc. one is using, and of course cannot be
controlled by NSD. In this example case the query flood source is our
lab nameserver 193.166.5.1 itself, but I'm afraid we can expect our
production Linux server behave ~similarly with external flood sources.)
If my guess is...