nanog mailing list archives
Re: Memory leak cause of Comcast DNS problems
From: "Eric A. Hall" <ehall () ehsco com>
Date: Sun, 17 Apr 2005 23:20:05 -0400
On 4/17/2005 12:29 PM, Florian Weimer wrote:
* Sean Donelan:Perhaps your DNS software also has a memory leak? Anyone know which software Comcast was using? Should other ISPs be concerned they might have the same latent problem in their systems?Probably yes, especially if they don't read documentation of their DNS software. | The maximum amount of memory to use for the server's cache, in | bytes. [...] The default is unlimited, meaning that records are | purged from the cache only when their TTLs expire.
That was my first guess too. Most DNS servers don't even have this switch. -- Eric A. Hall http://www.ehsco.com/ Internet Core Protocols http://www.oreilly.com/catalog/coreprot/
Current thread:
- Memory leak cause of Comcast DNS problems Sean Donelan (Apr 16)
- Re: Memory leak cause of Comcast DNS problems Florian Weimer (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Eric A. Hall (Apr 17)
- Re: Memory leak cause of Comcast DNS problems David Conrad (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Eric A. Hall (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Eric A. Hall (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Eric Brunner-Williams in Portland Maine (Apr 18)
- <Possible follow-ups>
- Re: Memory leak cause of Comcast DNS problems Fergie (Paul Ferguson) (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Florian Weimer (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Fergie (Paul Ferguson) (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Steven M. Bellovin (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Martin J. Levy (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Daniel Golding (Apr 18)
- Re: Memory leak cause of Comcast DNS problems Florian Weimer (Apr 18)
- Re: Memory leak cause of Comcast DNS problems Steven M. Bellovin (Apr 17)
- Re: Memory leak cause of Comcast DNS problems Florian Weimer (Apr 17)