Shawn, Same with us here. We tested using bind 9.9.5 the recursive queries can reach 10,000 qps and when using 9.10-P1/9.10 .. we only can burst at 3,000 QPS..
Have you find any solution to share with us? Thanks amir On Saturday, May 3, 2014 4:42:30 AM UTC+8, Shawn Zhou wrote: > I was hoping that BIND 9.10 would outperform BIND 9.9.4b1 on RHEL 6.5 but I > was surprised to see so much performance drop from BIND 9.10. > > > We have been able to send test traffic with 180K qps against 9.9.4b1 without > seeing query drops but with 9.10, the query drop rate was 18%. Both of the > numbers were obtained with 16 UDP listeners and 24 workers on identical > Sandybridge hardware with 24 CPU threads and 24G RAM. Default 12 UDP > listeners setting with 9.10 is even worse; hence, 16 UDP listeners are used > for apple-to-apple comparison. > > > > We compiled > BIND 9.10 and 9.9.4b1 with the same configuration options. I also tried > '--with-tuning=large' for 9.10 and that didn't really help in our test > environment. > > > I wonder what type of hardware ISC and test load used to test BIND 9.10. Are > there adjustment need to be made for 9.10 to have it perform on par with > 9.9.4b1? > > > > > _______________________________________________ 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
