I said loss of cache, not loss of server, caused by a cache flush on the name server software.
Rubens Em 09/09/2012, às 20:38, Mark Andrews escreveu: > > In message <7699449b-57ab-499c-93c2-dcf4049e4...@nic.br>, Rubens Kuhl writes: >> >> It depends. I can tell from experience that for a large outbound SMTP syste= >> m(1M+ accounts), loss of DNS cache can hit it pretty hard. = > > Except we are not talking about the loss of a cache (recursive > nameserver) which requires failover to a different cache. > > We are talking about the difference to starting with a empty cache > or a pre-populated cache and whether there is a significant difference > from the clients perspective and for how many seconds there is a > difference. There is definitely some additional latency for the > first few queries but after how many queries do you fall within the > normal latency profile? > > -- > Mark Andrews, ISC > 1 Seymour St., Dundas Valley, NSW 2117, Australia > PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ 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
