Date: Thu, 07 Jul 2005 19:56:44 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: freebsd-isp@freebsd.org Subject: Re: rndc reload and BIND9 Message-ID: <42CD6CDC.5040101@quip.cz> In-Reply-To: <42CD600B.5030805@newcub.kcnet.org> References: <20050706183443.0C73843D48@mx1.FreeBSD.org> <42CD600B.5030805@newcub.kcnet.org>
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Newcub Admin wrote: > Simon wrote: > >> Yes, reload is graceful, it will only load named.conf and new zones, it >> will not touch preloaded zones. Having 2 masters makes no sense, >> unless you are actually splitting the zone files between them. Unless >> you perform a cold start of your bind, transfers only occur when a serial >> number is updated (upon reload) or when a zone expires. >> >> -Simon >> >> On Wed, 6 Jul 2005 11:02:04 -0400 (EDT), John Von Essen wrote: >> >> >> >>> Following a post I had about BIND9, I need to verify a certain behavior >>> with BIND9 and issuing a rndc reload. >>> >>> Instead, of having a master and slave, I am going to have two >>> masters. One >>> master is the real master, the other gets replicated via rsync. The main >>> reason for this approach is to cut down on all the zone transfers (we >>> have 12,000 domains). >>> >>> After every hourly rsync, I will issue a rndc reload. If anything has >>> changed, named will see it with the new serial number. Does the reload >>> keep dns functionality up and running while it performs the reload? >>> >>> A pure stop and start will take about 55 seconds, which isn't acceptable >>> every hour. But if the reload (which appears to take 10 seconds) is >>> gracefull and keep existing functionality intact while it reloads, then >>> that would be great. Just need to verify. >>> >>> Thanks >>> John >>> _______________________________________________ >>> freebsd-isp@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-isp >>> To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" >>> >>> >> >> >> >> _______________________________________________ >> freebsd-isp@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-isp >> To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" >> >> >> > Have you considered using powerdns www.powerdns.com. It uses MySQL for a > backend, so there are no config files to maintain, and you can easily > replicate the database to distribute the load. > > I can't yet testify to its ability to withstand a heavy loads, because I > have not put it in production. So far in my testing, it is working > flawlessly. > > Rob Harrington > KCnet I think, MySQL is not good backend for heavy loaded DNS, but if you want, you can use it with BIND too. http://bind-dlz.sourceforge.net/perf_tests.html -- Miroslav Lachman Webapplication Developer
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