On 07/03/2014 04:06 PM, Mark Pettit wrote: > I have an issue with BIND cache timeouts, and I was hoping > someone else might have some idea how to fix this. > > Here's the situation: we have a large number of servers that do > a huge number of DNS lookups at the top of every minute. The TTL > for the records they're looking up is 3600. > > What we've noticed is that on a host with a recently-restarted > copy of BIND, we see huge spikes in DNS latency every 61 minutes. > This makes logical sense, given the behavior of the DNS lookups.
BIND 9.10 has a new prefetch feature which might help? https://kb.isc.org/article/AA-01122/ http://ftp.isc.org/isc/bind9/cur/9.10/ snip > Does BIND have a config option like this? Has anyone else ever > encountered this issue, and if so, how did you address it? -- Chuck Aurora : ISC Software Support : chu...@isc.org Internet Systems Consortium, Inc. _______________________________________________ dns-operations mailing list dns-operations@lists.dns-oarc.net https://lists.dns-oarc.net/mailman/listinfo/dns-operations dns-jobs mailing list https://lists.dns-oarc.net/mailman/listinfo/dns-jobs