BIND 9.2.3, large zone xfer and 100% CPU Utilization

phn at icke-reklam.ipsec.nu phn at icke-reklam.ipsec.nu
Thu Apr 22 21:35:33 UTC 2004


Alex Rainchik <rainchik at mail.ru> wrote:
> Hello,

> We are using BIND 9.2.3 on Solaris8, transfering ~45Mb zone from mail-abuse.com
> every three hours, as they don't support IXFR feature. The issue we have is that
> at the end of the transfer "named" goes berserk and CPU utlilization goes trough
> the roof, up to 100% for about 5-10 minutes. 

> During those 5-10 minutes "named" does not respond to any queries, "rdnc status"
> does not work either. It's the only zone xfer running at that time....

> Just wondering if it's a bug or a feature? 

Garbage collection (of the old zone) could take some time. How 
slow is your sun ?

> Thank you!

I manage a spews-zone ( about 35M in size) using IXFR between bind-9
and it seems to go smooth on a p-1200 slave. ( i don't see any
lockups during or after loading)

-- 
Peter Håkanson         
        IPSec  Sverige      ( At Gothenburg Riverside )
           Sorry about my e-mail address, but i'm trying to keep spam out,
	   remove "icke-reklam" if you feel for mailing me. Thanx.


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