[dns-operations] DSCng 0.1.0

Bedrich Kosata bedrich.kosata at nic.cz
Wed May 15 06:53:54 UTC 2013

Hi Peter,

as the data are aggregated on the collector, it does not change much 
with the traffic but mainly with its variability.

For the data we collect at .cz, storage requirements are roughly 1 GB 
per year per server. The typical size of the files transferred each 
minute from each server is about 70 KB (10 KB gzip compressed).

As for CPU utilization, this is hard to answer. Part of the CPU time is 
needed to process new data, but this is more an I/O intensive job and 
depends on the performance of your database. Most of the CPU time is 
consumed when serving data to clients and this of course depends mainly 
on the number of clients concurrently visiting the website. Currently we 
do not do that much caching on the server side, so each client request 
results in a new database query. In future, this will certainly be one 
of the areas where optimizations will be added.

Best regards


On 14/05/13 13:55, Peter Andreev wrote:
> Hello, everybody,
> I have never touched DSC, but I'm dreaming to replace our present
> statistic system, so I have some questions:
> Assuming qps about 10k to 40k,
> How much disk space the collector utilizes for its needs?
> How much traffic the collector generates in case of default installation
> (when data is being sent to presenter every 60 seconds)?
> And, of course the collector's CPU usage in mentioned conditions.
> 2013/5/14 fenghe <fenghe at dnsbed.com <mailto:fenghe at dnsbed.com>>
>     于 2013-5-14 18:55, Bedrich Kosata 写道:
>         I think that the biggest weakness of DSCng is that it has not
>         seen much
>         real-world usage, so there will probably be some rough edges to
>         smooth
>         in future releases. Any feedback is most welcome.
>     I have the idea to deploy it in my product server, but it needs some
>     time, currently I am a little busy.
>     Regards.
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> AP
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Bedrich Kosata
CZ.NIC Labs <http://labs.nic.cz>

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