mem sizing for local vs. cached

Christine Tran Christine.Tran at east.sun.com
Tue Nov 21 16:59:44 UTC 2000



> Subject:      Re: Memory issue?
> Date:         09/14/200
> Author:       Jim Reid <jim at rfc1035.com>
>
> If you're using BIND8, each zone needs a zoneinfo struct that occupies
> ~500 bytes (in round figures). On top of that memory is needed for the
> resource records in each zone.
>

[snip]

> Subject:      Re: BIND 8 memory leak symptoms
> Date:         11/19/2000
> Author:       Mark.Andrews <Mark.Andrews at nominum.com>
>
> It's unique recursive queries that make caches grow.
>
> Well every record has 32 bytes of overhead.  Every label has
> 20 bytes of overhead.  Each zone uses 324 bytes.  Then there
> are the hash tables.

[snip]

Do I apply same mem sizing for housekeeping to local (auth) RR as
cached RR? Currently I use the filesize to estimate mem requirement
for RR themselves, is that ok?  Not trying to split hairs, we have
one server that's on the skinny side.

CT




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