"rndc reconfig" vs. "rndc reload"
cet1 at cam.ac.uk
Thu Mar 22 17:05:29 UTC 2012
On Mar 16 2012, Mark Pettit wrote:
>We have an antiquated push process that copies files into the zonefile
>directory and then tells BIND "rndc reload". For various reasons,
>"rndc reload" takes about 120 seconds to complete. BIND is not answering
>queries for a very large part of that time.
It may be worth noting that recent versions of BIND (at least) only re-read
the zone files whose modification times have changed, on an "rndc reload".
It does still have to stat() them all, though, which could be bad enough.
>I recently started experimenting with a different process: instead of
>"rndc reload" after updaing some of the zone files, I loop through the
>list of updated zone files and run "rndc reload <zone>" for each one.
This is better, of course, if you can do it.
Email: cet1 at cam.ac.uk
More information about the bind-users