Hi Thao, On 12/07/2016 07:11 PM, Thao Nguyen wrote: > Error: [string "bpf = newBPFFilter(1024, 1024, 1024)"]:1: attempt to > call global 'newBPFFilter' (a nil value):
This means your version of dnsdist was compiled with eBPF support disabled. > I see it require Linux kernels (4.1+). But the last kernel in Redhat 7 > is kernel-3.10.0-327.36.3.el7.x86_64. Can I use this feature ? I'm afraid not. > *Issue 2: * > showResponseLatency seen works normally. But, when I send a query with > type "axfr", the "Average response latency" increase to very big. Does > it is a bug? Would you mind testing with a more recent version, because I'm pretty sure this has been fixed by [1]? I don't think our repositories [2] cover Red Hat though, so you might have to compile by hand. > *Issue 3:* > I tried to use addDeplay but I think it can not work with query "axfr" > type. Please let me know your thought. addDelay() only works over UDP, so as the AXFR is likely done over TCP the delay is not going to be applied. [1]: https://github.com/PowerDNS/pdns/commit/614bfa37ebf86560330357bdb7cccbbf3464ed94 [2]: https://repo.powerdns.com Best regards, -- Remi Gacogne PowerDNS.COM BV - https://www.powerdns.com/
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