EDNS module Performance
alexandre.wicquart at corp.ovh.com
Thu Aug 2 10:07:18 UTC 2018
I'm currently benchmarking EDNS client module for unbound and i can handle about 75/80% less than before.
The tests are made on a Debian Stretch 9.5 with unbound 1.7.3 (I have the same results with 1.6.7).
My server can handle about 280k req/sec without UDP errors and a minimal configuration.
Once i add 'subnetcache' to module-config in my configuration my rate go down to 55k req/sec.
Over this limit, i have a lot of UDP errors.
I have tried to tune some options related to EDNS in unbound.conf, but it doesn't change anything.
Is there a know issue on unbound performance when enabling this feature ?
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