Named / cache

[Vu Pham]

> -----Original Message-----
> From: linux-users-bounces at linux-sxs.org 
> [mailto:linux-users-bounces at linux-sxs.org] On Behalf Of Kurt Wall
> Sent: Tuesday, November 15, 2005 2:16 PM
> To: 'Linux tips and tricks'
> Subject: Re: Named / cache
> 
> On Tue, Nov 15, 2005 at 01:12:01PM -0600, Vu Pham took 19 
> lines to write:
> > I have a cache-only dns server that has been running for a 
> long time ( 
> > 450 days and 19:57) . It uses named on Linux. And it works 
> fine until 
> > recently I got some notice about slow access to the web sites when 
> > users first enter the sites.
> > 
> > Running "top" on that server shows named took 67% memory 
> and the load 
> > average was 1.50. After stopping/starting named, everything 
> works fine.
> > 
> > So, does named keeps the cache forever and never clear the 
> old entries ? 
> 
> Presumably, it clears entries whose TTL has expired. The 
> slowness and memory consumption might have been the result of 
> memory leak.
> 

It's possible. Now it shows only 0.02 for the load, and 5% memory for named.
Will visit it again in another 450 days :)

Vu