http://doc.powerdns.com/performance-settings.html
reads Logging truly kills performance as answering a question from the cache
is an order of magnitude less work than logging a line about it. Busy sites
will prefer to turn log-dns-details and log-failed-updates off.
Have you tried setting those
Package: pdns-server
Version: 2.9.21.1-1
Severity: normal
Recently, I've been flooded with stuff like:
pdns[18617]: Received a malformed qdomain from 145.253.2.134,
' a.ntp.madduck.net': sending servfail
I sometimes get thousands of those per hour and that fills up the
logs with cruft. I
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