slave zone files unreadable

Reindl Harald h.reindl at thelounge.net
Wed Jul 9 12:13:56 UTC 2014



Am 09.07.2014 14:07, schrieb Anand Buddhdev:
> On 09/07/2014 13:21, Reindl Harald wrote:
> 
>> dunno, but i perfer text-format anyways
>>
>> * masterfile-format text; * delete the zone file on the slave *
>> restart the slave
> 
> Plain text zone files are fine if you have a small number of zones, or
> small zones. But for servers with large numbers of zones, or large
> zones, reading back from text files when starting the server can take
> a long time. The "raw" format helps by speeding up load time. The
> newer "map" format in BIND 9.10 is even better, and can improve zone
> load time over the "raw" format by a factor of 3.
> 
> As an example, on one of my BIND slaves with over 5000 zones, reading
> from plain text zone files takes about 90 seconds, from raw files, it
> takes 45 seconds, and from map files, just 15 seconds

agreed, but in case of debugging temporary switch to text
makes thins easier to watch including sniff the traffic
of zone-transfers - made it as example possible for me
to *really* find out that the master was sending expected
zone content and the cisco router between mangeled it

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