Hello,
Iām working on a project that involves the creation of thousands of GTPU
tunnels. We are having issues related to VPP performance in regard to the
gradual degradation of creation performance in relation to the tunnel
count. That behavior can be observed in general, when creating other kinds
of Data-Path Objects. Minimal reproduction steps:
ā ~ cat vpp.conf
unix {
nodaemon
cli-listen /run/vpp/cli.sock
}
dpdk {
no-hugetlb
}
ā ~ docker run --rm -v $(pwd)/vpp.conf:/etc/vpp/startup.conf
ligato/vpp-base:master
root@69cd261996f0:/vpp# time for i in $(seq 1000); do vppctl create
loopback interface >/dev/null; done
real 0m1.208s
user 0m0.012s
sys 0m0.088s
root@69cd261996f0:/vpp# time for i in $(seq 1000); do vppctl create
loopback interface >/dev/null; done
real 0m2.028s
user 0m0.012s
sys 0m0.104s
root@69cd261996f0:/vpp# time for i in $(seq 1000); do vppctl create
loopback interface >/dev/null; done
real 0m2.926s
user 0m0.028s
sys 0m0.100s
root@69cd261996f0:/vpp# time for i in $(seq 1000); do vppctl create
loopback interface >/dev/null; done
real 0m4.235s
user 0m0.036s
sys 0m0.108s
Is this kind of performance degradation a known behavior? If so, are there
any known means of making the creation time more linear?
Best regards,
Krzysztof Sinica
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