big improvement in BIND9 auth-server startup time

Mark K. Pettit pettit at
Mon Aug 8 22:49:09 UTC 2011

Not sure where to report this, but there's a problem in the documentation of BIND 9.7.4, as distributed by ISC.

The Release Notes included in the bind-9.7.4 tarball, as well as the release notes on the web site:

state that the environment variable to improve loading times for name servers with large numbers of zones is:


But that is incorrect.  The actual variable name is:


I discovered this because I was curious how this change was implemented (I had not seen the blog post when I started to look into this), and couldn't find the string "BIND9_ZONE_TASKS_HINTS" anywhere in the source code.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the bind-users mailing list