RE: DNS Capacity issue help -- Recursive Query -- it seems some packets are dropped by DNS

: DNS Capacity issue help -- Recursive Query -- it seems some packets are dropped by DNS On 10/04/2018 01:37, PENG, JUNAN wrote: > Hi, All > > I did recursive query capacity test. I used traffic generator to place 15K > QPS traffic to DNS 1 with FQDN1 (Note, FQDN1 can't be reso

DNS Capacity issue help -- Recursive Query -- it seems some packets are dropped by DNS

Hi, All I did recursive query capacity test. I used traffic generator to place 15K QPS traffic to DNS 1 with FQDN1 (Note, FQDN1 can't be resolve by DNS1, it need to forward it to DNS2 and TTL is set to 0) But during the test , I found lots of failure , the successful rate is not high (85%).

DNS performance Help when query log is off -- which default parameters will impact the DNS performance

ginal Message- From: PENG, JUNAN Sent: Wednesday, February 21, 2018 11:32 AM To: 'Tony Finch' Subject: RE: Help Another thing: When query log is on. Traffic is 35k QPS, the Named CPU usage is 260% Traffic is 40K QPS, the Named CPU usage is 260% Traffic is 50K QPS, the Named C

Help

Hi I encountered a weir performance issue: Virtual DNS running in VM - (Flavor 4 vCPU), in theory, the named process can reach to 400% Query Log is On: When Traffic is 35KQPS, Named Process CPU usage can reach to maximum 260% . but , Even if I increase the traffic to 70KQPS, the named pr