And you consume the entityBytes I presume?
On Mon, Oct 23, 2017 at 10:35 PM, Gary Malouf <malouf.g...@gmail.com> wrote:
> It is from when I start the Kamon trace (just inside of my
> path("myawesomepath") declaration until (theoretically) a 'complete' call
> is made.
>
> path("myawesomepath") {
> traceName("CoolStory") {
> ///do some stuff
> complete("This is great")
> } }
>
> For what it's worth, this route is a 'POST' call.
>
> On Mon, Oct 23, 2017 at 4:30 PM, Viktor Klang <viktor.kl...@gmail.com>
> wrote:
>
>> No, I mean, is it from first-byte-received to last-byte-sent or what?
>>
>> On Mon, Oct 23, 2017 at 10:22 PM, Gary Malouf <malouf.g...@gmail.com>
>> wrote:
>>
>>> We are using percentiles computed via Kamon 0.6.8. In a very low
>>> request rate environment like this, it takes roughly 1 super slow
>>> request/second to throw off the percentiles (which is what I think is
>>> happening).
>>>
>>>
>>>
>>> On Mon, Oct 23, 2017 at 4:20 PM, Viktor Klang <viktor.kl...@gmail.com>
>>> wrote:
>>>
>>>> What definition of latency are you using? (i.e. how is it derived)
>>>>
>>>> On Mon, Oct 23, 2017 at 10:11 PM, Gary Malouf <malouf.g...@gmail.com>
>>>> wrote:
>>>>
>>>>> Hi Konrad,
>>>>>
>>>>> Our real issue is that we can not reproduce the results. The web
>>>>> server we are having latency issues with is under peak load of 10-15
>>>>> requests/second - obviously not much to deal with.
>>>>>
>>>>> When we use load tests (https://github.com/apigee/apib), it's easy
>>>>> for us to throw a few thousand requests/second at it and get latencies in
>>>>> the ~ 3 ms range. We use kamon to track internal metrics - what we see is
>>>>> that our 95th and 99th percentiles only look bad under the production
>>>>> traffic but not under load tests.
>>>>>
>>>>> I've since used kamon to print out the actual requests trying to find
>>>>> any pattern in them to hint at what's wrong in my own code, but they seem
>>>>> to be completely random. What we do know is that downgrading to spray
>>>>> gets
>>>>> us 99.9th percentile latencies under 2ms, so something related to the
>>>>> upgrade is allowing this.
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Gary
>>>>>
>>>>> On Tuesday, October 17, 2017 at 12:07:51 PM UTC-4, Konrad Malawski
>>>>> wrote:
>>>>>>
>>>>>> Step 1 – don’t panic ;-)
>>>>>> Step 2 – as I already asked for, please share actual details of the
>>>>>> benchmarks. It is not good to discuss benchmarks without any insight into
>>>>>> what / how exactly you’re measuring.
>>>>>>
>>>>>> --
>>>>>> Cheers,
>>>>>> Konrad 'ktoso <http://kto.so>' Malawski
>>>>>> Akka <http://akka.io/> @ Lightbend <http://lightbend.com/>
>>>>>>
>>>>>> On October 12, 2017 at 15:31:19, Gary Malouf (malou...@gmail.com)
>>>>>> wrote:
>>>>>>
>>>>>> We have a web service that we just finished migrating from spray 1.3
>>>>>> to Akka-Http 10.0.9. While in most cases it is performing well, we are
>>>>>> seeing terrible 99th percentile latencies 300-450ms range) starting from
>>>>>> a
>>>>>> very low request rate (10/second) on an ec2 m3.large.
>>>>>>
>>>>>> Our service does not do anything complicated - it does a few Map
>>>>>> lookups and returns a response to a request. In spray, even 99th
>>>>>> percentile latencies were on the order of 1-3 ms, so we are definitely
>>>>>> concerned. Connections as with many pixel-type servers are short-lived
>>>>>> ->
>>>>>> we actually pass the Connection: Close header intentionally in our
>>>>>> responses.
>>>>>>
>>>>>> Is there any obvious tuning that should be done on the server
>>>>>> configuration that others have found?
>>>>>> --
>>>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>>>>> urrent/additional/faq.html
>>>>>> >>>>>>>>>> Search the archives: https://groups.google.com/grou
>>>>>> p/akka-user
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>>>>>> --
>>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
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>>>>> urrent/additional/faq.html
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>>>>> p/akka-user
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>>>>
>>>>
>>>>
>>>> --
>>>> Cheers,
>>>> √
>>>>
>>>> --
>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>>> urrent/additional/faq.html
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>>>
>>> --
>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>>> urrent/additional/faq.html
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>>> p/akka-user
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>>
>>
>>
>> --
>> Cheers,
>> √
>>
>> --
>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/c
>> urrent/additional/faq.html
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>
> --
> >>>>>>>>>> Read the docs: http://akka.io/docs/
> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/
> current/additional/faq.html
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--
Cheers,
√
--
>>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>>>>> Check the FAQ:
>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user
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