performance with many zones

Conny kop at spice.ascio.net
Mon May 8 22:42:13 UTC 2000


First off, I'd like to greet everyone on this mailinglist, especially
those who relentlessly answer all sorts of questions and solve poor
peoples problems on a regular basis.


I run BIND 8.2.2-P5 on Linux 2.2.* systems using i686 hardware. Whenever I
change a zone and  occationally do a reload, the servers naturally stop
answering for a short while. When you serve about 25000 individual zones
this stop lasts for about 40-60 seconds depending on the hardware.

Is there any tweaks that can be made that I don't know of to increase
performance when having this large amount of zones? One funny thing is
that it takes just as long before the reload is complete when you've used
"ndc reload <zone> ; ndc reload" as it takes doing just an "ndc reload" ..

Yes - I've minimized logging in named.conf, and I'm using fast SCSI
disks etc..

I'd be grateful for tips or tales from similar experiences..what's with
those individual reloads?

Best Regards
Conny Brunnkvist




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