Maintain task frequency

Jorge Alberto Martínez Melo jorge.martinez at triara.com
Tue May 10 15:09:09 UTC 2016


Thank you both, rob0 and Barry, very usefull notes.

It seems that my maintain proposed tasks are unnecessary. Furthermore
occasional backups and updates, in your opinion what are frequent
necessary maintain tasks for a cache dns server.

Thank you in advance for your comments

-- jamm

On 09/05/16 20:34, Barry S. Finkel wrote:
> On Mon, 9 May 2016 17:54:22 -0500, Jorge Alberto Mart?nez Melo
> <jorge.martinez at triara.com> wrote:
>> Hello bind users,
>>
>> I am preparing some scripts to maintain some cache dns servers and I am
>> thinking about the most appropriate frequency of these tasks:
>> - to generate the root hints file (root cache).
>> - to clear the cache with rndc flush
>> - to generate the stats file with rndc stat
>>
>> Thank you in advance for your comments
>>
>> -- jamm
>
> If I interpret your question correctly - here are my answers:
>
> 1) root hints - There is nothing you need to do, as BIMD will get
>                 the information when it starts, based on the hints
>                 that are built into the code.  And the hints information
>                 rarely changes.
>
> 2) Clear cache - There is no need to clear the cache, as BIND will
>                  remove automatically any entry whose TTL has
>                  expired.
>
> 3) Generating stets - I have no answer for this.  You can generate
>                       stats at any interval you want.  The interval
>                       might depend upon  how busy the DNS server is.
>
> --Barry Finkel
>
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05/10/16 10:08:46



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