A Fair benchmark between and (C#). Iris Golang Kestrel .NET Core Hello! This article is the second in a row of the “Go vs .Net Core in terms of HTTP performance” series, you really , if you didn’t already. should read the first article Prepare yourself a cup of coffee, or tea, whatever enjoys you the most! About feedback At this section I’ll try to give you a general idea about a part(the bad side) of the ’s reactions however you may don’t care at all or you’re not in the mood, therefore you that and straight to the “ ” section. previous article may want to skip go Benchmarking At our we compared the performance of the features of both and . by testing a simple application (to avoid arguments like “you could use a faster json encoder” and things like these). previous article MVC Iris web framework NET Core The article got pretty amazing reactions. Most of the comments were very nice and polite either agree or disagree with them. There were some people with a smell of negativity on their comments but those were expected and welcomed as well. I always try to be responsible so I respond to most of your questions that were relative to the article avoiding duplication. If you don’t see my respond below your comment yet then search about relative questions, I’m sure you’ll find my answer sitting there waiting for you. Some of the .NET Developers contacted with me via telling that this wasn’t real .NET Core because I used MVC and not Kestrel, does that mean that C# developers should avoid .NET Core’s MVC features? I didn’t understand. It was clear by the benchmark titles and the that we were doing a comparison between the MVC versions of both Iris and .NET Core, Iris has a “lower level“ too but we didn’t use that. twitter code itself Note: the IrisMVC is a foreign twitter account, it is not Iris web framework’s account. I knew that my article will have an impact on .NET world. I’d receive a lot of rude comments lately, the funny part is that the people who posted the most unacceptable comments are working for big companies, I mean that they are in a certain age who can understand the human contact but actually they never learnt the basics of human communication, politeness. I don’t really feel that right, I mean by publishing their (already public) comments is the right decision but one way or another we should all condemn them as soon as possible. He insists without even reading the article… That guy really thinks that I got paid from someone? Sadly I have just 0.67$ at my personal bank account! Scott’s reply to that guy. Beside the fact that every Scott’s talk is beyond the best It’s a great person with ethos as well. At the other hand I have really no problem at all, was and will never touch me at all because I don’t have that thing inside me — by-design :p . I’m not taking those as personal attacks neither terrifies me, but this . hate speech doesn’t mean that I should tolerate them, tacitly For example that he works at Microsoft but I can’t believe that someone with “high education” can possible write something like that: that guy claims Even if the code ran in production mode he doesn’t care about that, he just want to comment something. One more guy who didn’t actually read the article neither the code inside it. He’s clearly promoting hate without reason, just to be said. , you will be surprised about the Democratic consciousness that this comment promoting! No, they didn’t stop there That guy for example, reported dev.to for sharing my article. Bad dev.to authors, don’t share my articles again, he doesn’t allow these things! “after investigating” oh boy… Beside the fact of the miss arguments and the slanderous comments , the first guy, posted his argument nicely so I think of it seriously, he actually to write benchmarks for the “low-level” web side of those two worlds, Go and .NET Core and so :) Ali Malekpour gave me this idea: here we are Benchmarking This time we will compare the speed of the “low-level” .NET Core’s server implementation named and ’ “low-level” handlers, we will test two simple applications, the will be almost the application but written using handlers and the test will contain a single route which sets and gets a value(string) based on a key(string) and returns that session value to the client. Kestrel Iris first same as our previous second session Hardware Processor: Intel(R) Core(TM) i7–4710HQ CPU @ 2.50GHz 2.50GHz RAM: 8.00 GB Software OS: Microsoft Windows [Version 10.0.15063], power plan is “High performance” HTTP Benchmark Tool: , latest version 1.1 https://github.com/codesenberg/bombardier .NET Core: , latest version 2.0 https://www.microsoft.com/net/core Iris: , latest version 8.3 built with https://github.com/kataras/iris go1.8.3 First application Spawn with different “threads”, targeting to a dynamic registered route path, responds with a simple text. 1000000 requests 125 “value” .NET Core (Kestrel) Source Code Start the .NET Core Kestrel web server $ cd netcore$ dotnet run -c ReleaseHosting environment: ProductionContent root path: C:\mygopath\src\github.com\kataras\iris\_benchmarks\netcoreNow listening on: Application started. Press Ctrl+C to shut down. http://localhost:5000 Target and run the HTTP benchmark tool $ bombardier -c 125 -n 1000000 Bombarding with 1000000 requests using 125 connections1000000 / 1000000 [======================================================================================] 100.00% 10sDone!Statistics        Avg      Stdev        MaxReqs/sec     97884.57    8699.94     110509Latency        1.28ms   682.63us    61.04msHTTP codes:1xx - 0, 2xx - 1000000, 3xx - 0, 4xx - 0, 5xx - 0others - 0Throughput:    17.73MB/s http://localhost:5000/api/values/5 http://localhost:5000/api/values/5 Iris Source Code Start the Iris Go web server $ cd iris$ go run main.goNow listening on: Application started. Press CTRL+C to shut down. http://localhost:5000 Target and run the HTTP benchmark tool $ bombardier -c 125 -n 1000000 Bombarding with 1000000 requests using 125 connections1000000 / 1000000 [=======================================================] 100.00% 8sDone!Statistics        Avg      Stdev        MaxReqs/sec    117917.79    4437.04     125614Latency        1.06ms   278.12us    19.03msHTTP codes:1xx - 0, 2xx - 1000000, 3xx - 0, 4xx - 0, 5xx - 0others - 0Throughput:    21.93MB/s http://localhost:5000/api/values/5 http://localhost:5000/api/values/5 Summary Time to complete the — smaller is better. 1000000 requests Reqs/sec — bigger is better. Latency — smaller is better Throughput — bigger is better. LOC (Lines Of Code) — smaller is better. .NET Core (Kestrel) Application written using ran for serving requests per second with within latency in average and max. 63 code of lines 10 seconds 97884.57 17.73MB/s 1.28ms 61.04ms Iris Application written using ran for serving requests per second with within latency in average and max. 14 code of lines 8 seconds 117917.79 21.93MB/s 1.06ms 19.03ms Second Application (Sessions) Spawn with targeting a static request path, sets and gets a session based on the name ,value as string and write(or return, you choose) that session value to the response stream. 5000000 requests 125 different “threads” “key” ”value" .NET Core (Kestrel) with Sessions Source Code Start the .NET Core Kestrel web server $ cd netcore-sessions$ dotnet run -c ReleaseHosting environment: ProductionContent root path: C:\mygopath\src\github.com\kataras\iris\_benchmarks\netcore-sessionsNow listening on: Application started. Press Ctrl+C to shut down. http://localhost:5000 Target and run the HTTP benchmark tool $ bombardier -c 125 -n 5000000 Bombarding with 5000000 requests using 125 connections5000000 / 5000000 [====================================================================================] 100.00% 2m40sDone!Statistics        Avg      Stdev        MaxReqs/sec     31844.77   13856.19     253746Latency        4.02ms    15.57ms      0.96sHTTP codes:1xx - 0, 2xx - 5000000, 3xx - 0, 4xx - 0, 5xx - 0others - 0Throughput:    14.51MB/s http://localhost:5000/setget http://localhost:5000/setget Iris with Sessions Source Code Start the Iris Go web server $ cd iris-sessions$ go run main.goNow listening on: Application started. Press CTRL+C to shut down. http://localhost:5000 Target and run the HTTP benchmark tool $ bombardier -c 125 -n 5000000 Bombarding with 5000000 requests using 125 connections5000000 / 5000000 [====================================================================================] 100.00% 1m15sDone!Statistics        Avg      Stdev        MaxReqs/sec     66749.70   32110.67     110445Latency        1.88ms     9.13ms      1.94sHTTP codes:1xx - 0, 2xx - 5000000, 3xx - 0, 4xx - 0, 5xx - 0others - 0Throughput:    20.65MB/s http://localhost:5000/setget http://localhost:5000/setget Summary Time to complete the — smaller is better. 5000000 requests Reqs/sec — bigger is better. Latency — smaller is better Throughput — bigger is better. .NET Core with Sessions Application ran for serving requests per second with within latency in average and max. 2 minutes and 40 seconds 31844.77 14.51MB/s 4.02ms 0.96s Iris with Sessions Application ran for serving requests per second with within latency in average and max. 1 minute and 15 seconds 66749.70 20.65MB/s 1.88ms 1.94s Epilogue We really have to admit that Kestrel runs pretty fast compared to its MVC side, for started and supporting that! congrats to the open-source project’s contributors and Microsoft Like the previous article, this one taken from my computer and the same code snippets you saw here are also exist in gists and , click to the links to be navigated. has its own screenshots the github repository I would love to see more testers so download the source code and run the benchmarks from your machine, share the results with the rest of us. If you want to reach me for a subject to discuss I’m always open for new opportunities and new people to meet, inside my twitter profile you’ll find all my contact information! _The latest Tweets from Gerasimos Maropoulos (@MakisMaropoulos). That #golang guy. Self-taught developer with 10+ years…_twitter.com Gerasimos Maropoulos (@MakisMaropoulos) | Twitter for the personal time you gave to read this article, spread it to the outside world as you did with the previous one. Thank you Will see you at my next article and… as always, have fun! I like the visual effects when , do you? It’s simple: just click the clap button. If you feel strongly, click it more I click the clap button more than once (or just hold it down).

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