[dns-operations] DNS Performance Test Over TCP

[Peter Andreev]

2013/5/22 Kareem Ali <kareem.ali at centralnic.com>

>  Hi Peter,
>
>
> On 22/05/13 16:33, Peter Andreev wrote:
>
>
> 2013/5/22 Jared Mauch <jared at puck.nether.net>
>
>>
>> On May 22, 2013, at 10:06 AM, Kareem Ali <kareem.ali at centralnic.com>
>> wrote:
>>
>> > Hi,
>> >
>> > I'm trying to run a DNS TCP performance test to a DNS server in a
>> > lab environment. I'm doing the test from another server connected
>> > directly with a 1 Gb link. Both servers are running CentOS 6.4. I use
>> > dnsperf to run my DNS performance test on UDP, and it's giving me what I
>> > want on both IPv4 and IPv6, but I can't find a proper tool to do it with
>> > TCP.
>> >
>> > I tried querytcp, but it won't let me limit the maximum queries per
>> > second. Also, couldn't get queryperf++ to install on my boxes because it
>> > has some dependencies that it needs to run.
>>
>
>
>   querytcp's "maximum outstanding queries" option is quite suitable for
> setting qps limit.
>
>
> I think this option sets the maximum number of queries to send before it
> gets a reply and this is not per second. According to dnsperf's help -q
> sets this, and -Q sets the queries per second limit.
>

Yes, you are right, but this option greatly correlates with qps, so by
changing it you can get the number of qps you need.


>
> Thanks,
>
> Kareem.
>
> --
> Kareem Ali
> Network Operations Engineer
> CentralNic Ltd
> Innovative, Reliable and Flexible Registry Services
> for ccTLD, gTLD and private domain name registrieshttps://www.centralnic.com/
>
> CentralNic Ltd is a company registered in England and Wales with company
> number 4985780. Registered Offices: 35-39 Moorgate, London, EC2R 6AR.
>
>


-- 
AP
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