> > If you are running any release of 9.5.0, you would do much better to
> > run 9.5.1rc1.
> 
> I should explain why I said that.  Bind 9.5.0 introduced a new improved
> cache cleaning algorithm.  It also set the default max-cache-size to 32M.
> The previous default was 0 which means no limit.
> It turns out that there is a bug in the new cache cleaning algorithm where
> it can clean over aggressively when running into the max-cache-size limit.
> More importantly, it can clean a just fetched value before it can be used.
> Bind 9.5.0 fixes that bug and it also reverts the max-cache-size to 0.

That should be: Bind 9.5.1 fixes that bug...
 
> If you have Bind 9.5.0 and do not want to upgrade, set max-cache-size
> to some large value or to 0 to avoid the bug and to allow the cache
> to be useful.  32M is a rather small size.
> 
> If Bind is set up to enable the rndc control program, you can get the Bind
> version with 'rndc status'.  Hopefully the Linux distributors do not
> diddle the version number.

Tom Schulz
Applied Dynamics Intl.
[EMAIL PROTECTED]

Reply via email to