records via GENERATE

[Chris Thompson]

On May 14 2012, hugo hugoo wrote:

>Is there a difference between the configuration of a set of A records using:
>
>1) GENERATE command like:   $GENERATE 0-255 $-1.2.3          A        3.2.1.$
>2) Defining all the records one by one.
>
>- difference in the amount of memory used?
>- difference in the speed to retrive the answer.
>
>If GENERATE command is used  ==> is the answer "calculated" at the query
>incoming or are all the records already present in memory?

The in-store representation of the zone is entirely the same (and hence
the memory usage and access speed). The macro-generation occurs while the
zone file is being read, at startup or after e,g, an "rndc reload [zone]".
 	   		  
-- 
Chris Thompson
Email: cet1 at cam.ac.uk