Hi Michael, Don't throw out Akka HTTP just yet, do your own measurements first. With maybe the exception of high frequency trading, I think you'll be ok...
Am Freitag, 10. November 2017 13:32:14 UTC+1 schrieb Michael Zhong: > > That's awful, I've recently start using akka-http to write some > performance critical server, maybe I should go use some other library. > > 在 2017年8月11日星期五 UTC+8下午10:43:53，Jakub Kahovec写道： >> >> It was ran on the 1 Gb network, but I don't think it's actually relevant >> here as the other servers ran on the same network and performed better. I >> understand that raw netty should perform better, but other server performed >> pretty good as well. As I said before we were mainly surprised by the >> utilisation of the CPU's which was pretty low, comparing to the others. >> >> I'm attaching the code used for benchmarking. >> >> On Friday, August 11, 2017 at 3:58:19 PM UTC+2, Konrad Malawski wrote: >>> >>> When wanting to discuss any benchmarks, please share actual code as >>> otherwise it's impossible to comment on what you're actually benchmarking. >>> Same goes for benchmark setup, you did not explain how the benchmark was >>> run and what network it was on etc. >>> >>> We have continuously confirmed same performance as the netty 4 backend >>> in play apps, as well as beating spray in performance. Also, you're not >>> comparing apples to apples it fbyou comprare raw netty without any DSLs to >>> a high level routing API that Akka provides - thus, please share code. >>> >>> On August 11, 2017 at 22:53:21, Jakub Kahovec (jakub....@gmail.com) >>> wrote: >>> >>>> Hi, >>>> >>>> we've done recently a little research regarding the performance of >>>> current JVM based HTTP servers (and Nginx for comparison) and as regards >>>> the results of Akka-Http we were rather unpleasantly surprised. >>>> >>>> Here are the presumptions for the benchmark: >>>> >>>> - Single handler handling GET /benchmark returns HTTP 200 OK with >>>> payload benchmark and HTTP headers Date, Server, Content-Type and >>>> Content-Length. >>>> - Using mostly default settings, change them only when it's obvious >>>> that the default settings do not work well in the benchmark. >>>> - We are interested in the maximum number of requests per second >>>> and latencies. >>>> - Three rounds, first is warmup and the rest try to test the >>>> frameworks under different loads (each test 60 seconds) >>>> - >>>> - Warmup - ./wrk -t38 -c50 -d60s --latency >>>> http://benchmark-server/benchmark >>>> - Round 1 - ./wrk -t38 -c500 -d60s --latency >>>> http://benchmark-server/benchmark >>>> - Round 2 - ./wrk -t38 -c1000 -d60s --latency >>>> http://benchmark-server/benchmark >>>> >>>> Hardware : client and benchmark machines: 40 CPUs (Intel(R) Xeon(R) CPU >>>> E5-2630L v4 @ 1.80GHz), 64GB of RAM >>>> >>>> Results: >>>> >>>> Warmup >>>> >>>> | metric | nginx | akka-http | colossus | finagle | >>>> http4s >>>> | netty | spring | vertx | >>>> |--- |--- |--- |--- |--- >>>> |--- |--- |--- |--- | >>>> | req/s** | 377627.54 | 161957.96 | 341140.06 | 271592.28 | >>>> 147829.99 | 337583.43 | 149290.22 | 356968.36 | >>>> | latency avg | 99.18μs | 656.77μs | 386.72μs | 579.93μs | >>>> 8.28ms | 336.11μs | 21.98ms | 345.04μs | >>>> | latency 75th | 98.00μs | 255.00μs | 115.00μs | 149.00μs | >>>> 248.00μs | 131.00μs | 250.00μs | 101.00μs | >>>> | latency 99th | 149.00μs | 815.00μs | 271.00μs | 820.00μs | >>>> 156.60ms | 198.00μs | 846.85ms | 188.00μs | >>>> | cpu idle % | 90 | 36 | 76 | 61 | >>>> 13 | 75 | 57 | 76 | >>>> >>>> >>>> Round 1 >>>> >>>> | metric | nginx | akka-http | colossus | finagle >>>> | http4s | netty | spring | vertx | >>>> |--- |--- |--- |--- |--- >>>> |--- |--- |--- |--- | >>>> | req/s | 988019.69 | 245979.16 | 1007300.12 | 460936.09 >>>> | 149288.46 | 1021265.73 | 258088.17 | 990153.39 | >>>> | latency avg | 642.29μs | 3.31ms | 831.16μs | 4.49ms >>>> | 122.44ms | 2.12ms | 9.57ms | 1.96ms | >>>> | latency 75th | 537.00μs | 2.79ms | 572.00μ >>>> >>> -- >>>>>>>>>> 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 --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at https://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
