rndc

[Mark Andrews]

In message <AF5CD12999F848089CEADA384BE2E371 at internal.corp.ds>, "ic.nssip" writ
es:
> I had some problems with versions prior 9.7.0, when the response time =
> dramatically increased for hours after two or 3 days after cache reached =
> the maximum size in the memory. I used to restart named process and =
> everything was good for few days again. I have 9.7.0 up for the last =
> week and it didn't runned into this issue... yet.
> 
> Anyway, I tried to preventive flush the cache using "rndc flush" but =
> nothing happened in terms of memory used by named.

Named doesn't release memory back to the OS.  The memory is still freed
and is available for reuse.

> If I kill the process =
> the cache start building again, but with "rndc flush" there are no =
> changes on the size of used memory. Also anytime I use "rndc flush" I'm =
> getting a Warning:
> 
> # rndc flush
> WARNING: key file (/etc/rndc.key) exists, but using default =
> configuration file (/etc/rndc.conf)
> #
> 
> Is any chance I can figure out why "rndc flush" is not purging the cache =
> and eventually fix the WARNING message?
> 
> Thank you,
> Julian
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org