[nsd-users] nsd utilize 100% cpu

Paul Wouters paul at xelerance.com
Thu Dec 10 19:02:00 UTC 2009

On Thu, 10 Dec 2009, Vadim wrote:

>> Apparently nsd writes each domain label separately, without any attempt
>> to batch writes.  It's much better than writing by single char as some
>> other programs are doing but worse still than batching writes in at least
>> 512byte blocks like stdio is doing.
>>> And even after 20 minutes after "nsd patch" have finished, nsd process 
>>> still use 100% cpu.
>> How long it takes total? 
> I ran again nsdc patch and nsd utilized  100% cpu about 10 minutes

You mean nsdc rebuild? I wouldn't expect nsd patch to take that long. Though
AFAIK, nsd patch should not affect the nameserver operations going on.


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