NSD CPU time consumption in slave config

[Mark Santcroos]

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Hi Jan,

Thank you for your sharing your experiences.

Jan Boysen - servage.net wrote:
> I have running a nsd test server with about 100.000 zones as master and
> one as slave in my test environment. The master works pretty good but
> the slave for all these zone don't.
> The startup takes about an hour in which the nsd answers to all requests
> with servfail instead of refusing the connection.

The startup is slow for both the master and the slave?

> In this time it is
> fetching all serial from the master according to some straces I made to
> the master process. But the master process keeps consuming 100% CPU time
> after that. Here is a short strace clip of what it is doing:

When the master is at 100% CPU, does it still answer queries? (And does
the slave answer any queries at all?)

Can you share some info about hardware setup and memory usage
statistics, etc?

Regards,

Mark

- --
Mark Santcroos
NLnet Labs
http://www.nlnetlabs.nl/
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