Notify "storms"

2010-01-18 Thread Todd
Good day all, We've run into a problem with our DNS servers. The way we update our masters is via a CVS Checkout and reload of the zones modified. Sometimes though, we need to reload the whole config for big changs/etc. When that happens, all 6 masters (I know, we're getting rid of some) send no

Re: Notify "storms"

2010-01-18 Thread Bryan Irvine
On Mon, Jan 18, 2010 at 1:27 PM, Todd wrote: > Good day all, > > We've run into a problem with our DNS servers.  The way we update our > masters is via a CVS Checkout and reload of the zones modified. > Sometimes though, we need to reload the whole config for big > changs/etc.  When that happens,

Re: Notify "storms"

2010-01-18 Thread Mark Andrews
In message <91aa34af1001181327q7f5de882vf47052ed39d87...@mail.gmail.com>, Todd writes: > Good day all, > > We've run into a problem with our DNS servers. The way we update our > masters is via a CVS Checkout and reload of the zones modified. > Sometimes though, we need to reload the whole confi

Re: Notify "storms"

2010-01-20 Thread Dave Sparro
On 1/18/2010 4:27 PM, Todd wrote: Good day all, We've run into a problem with our DNS servers. The way we update our masters is via a CVS Checkout and reload of the zones modified. Sometimes though, we need to reload the whole config for big changs/etc. When that happens, all 6 masters (I know

Re: Notify "storms"

2010-01-20 Thread Matthew Pounsett
On 2010/01/20, at 13:03, Dave Sparro wrote: >> We would like to make this better. >> Can anyone help with ideas on this? Are we missing something obvious? >> > > In that situation I'd consider using CVS on all of the servers to maintain > the DNS data. > Just make all of the servers masters

Re: Notify "storms"

2010-01-20 Thread Todd
> serial-query-rate While this appears to be helping in the lab, it's still taking between 2 and 3 minutes for each slave to even finish receiving the NOTIFYs from the master. They then start hitting the master(s) with SOA queries whch seems to take a really long time. We're going to keep tunin

Re: Notify "storms"

2010-01-20 Thread Joseph S D Yao
On Wed, Jan 20, 2010 at 03:52:33PM -0500, Todd wrote: > > serial-query-rate > > While this appears to be helping in the lab, it's still taking between > 2 and 3 minutes for each slave to even finish receiving the NOTIFYs > from the master. They then start hitting the master(s) with SOA > queries

Re: Notify "storms"

2010-01-21 Thread Todd
I agree - we are removing 1/2 the masters in a couple weeks to help things. Slaves only talk to masters, there are no "slaves of slaves" as we refer to them. Our architecture goal has been uniformity among the configurations, and this is part of the price we pay for that. At a functional level,