[Pdns-users] Latency and cache size are correlated
eugenep at w3media.net
Wed Apr 30 00:17:57 UTC 2008
Can somebody explain me why the recursor cache size and latency are
correlated and directly proportional?
This is my dns graph.
Whenever the cache grows up to 30K entries the latency reaches as high as
120 ms. See the second graph called "Questions/Answers latency in
It when it reaches 120-130 ms it really affects recursor performance.
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