NSD

NSD: Estimate memory usage

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Fill in the form below to get an estimate for the amount of memory that NSD consumes to provide service.

Input Parameters

The server has a 32/64 bit architecture: 32 bit 64 bit

The nsec3 compile time option, configure: --disable-nsec3 (default until 3.0.8) --enable-nsec3

The number of zones that are served:

The number of domain names in each zone:

To get the number of labels in names, select the zone apex name style.
My server serves a zone with name: 17 labels on avg per domain. 16 labels on avg per domain. 15 labels on avg per domain. 14 labels on avg per domain. 13 labels on avg per domain. 12 labels on avg per domain. 11 labels on avg per domain. 10 labels on avg per domain. 9 labels on avg per domain. 8 labels on avg per domain. 7 labels on avg per domain. sub.sub.example.org. sub.example.org. example.org. org. (TLD) . (root)

Entries in the zone file are of the type 'www.example.com.'.
What is the average length of domain names? (average wireformat length):

If you have a delegation zone, every name has NS records.
How many NS records per domain name (on average):

How many A records per domain name (on average).
Include A records that are present including glue records:

How many AAAA records per domain name (on average).
Include AAAA records that are present including glue records:

Calculate

Estimate Results