Hi Graham, Thx for your great tip, it seems it fix my problem.
Eric On Tue, Jun 7, 2016 at 5:45 PM, Graham Clinch <g.cli...@lancaster.ac.uk> wrote: > Hi Eric, > > > I run bind dns server 9.9 now with around 3000query/s. I recently > > upgrade our server to Fujitsu M10-1 Solaris 10 with bind9.10. > > I feel that the server serving bind is not as fast as old one in intel > > solaris which was more than 8 years ago. I tried a few test > > and found that dig @localhost is much more smooth thatn dig @IP the zone > > at the machine. > > Which specific version of 9.10 are you running? There is a reported > issue with prefetch in versions before 9.10.4 (and prefetch is enabled > by default in 9.10): > > > https://kb.isc.org/article/AA-01315/0/prefetch-performance-in-BIND-9.10.html > > We saw similar problems that only affected the service IPs (when they > were running 9.10.3) and on reviewing netstat saw large receive queues > on the affected listeners. > > Disabling prefetch as discussed in the document helped us. > > (we've since moved to 9.10.4 but haven't yet re-enabled prefetch). > > Graham > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to > unsubscribe from this list > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users >
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