Queries for tjhinc.com
bsfinkel at anl.gov
bsfinkel at anl.gov
Fri Aug 15 21:43:45 UTC 2008
>I wrote, in part:
>> Another question arises - if the default max-cache-size is 32M
>> (and titania has 2G of memory), and the cache is supposedly full,
>> then why is the named_dumpdb file I created yesterday only 818340
>> bytes long?
and Mark Andrews replied:
> named_dumpdb will usually be smaller than the memory used
> internally.
>
> If you are going to stay w/ 32M I would used one of these
> values for DEFAULT_CACHE_NODE_LOCK_COUNT (17 19 23 29 31).
I have not looked at the code to see how the cache is organized in
memory, but I find it hard to believe that a full 32M of cache could
be written to an 818K disk file. That's a 40-1 compression.
Maybe BIND thinks that the cache is full when it reallly isn't?
----------------------------------------------------------------------
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory Phone: +1 (630) 252-7277
9700 South Cass Avenue Facsimile:+1 (630) 252-4601
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Argonne, IL 60439-4828 IBMMAIL: I1004994
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