Hi Olga, establishing a connection is a very expensive operation, which is why all modern clients/browsers reuse them for multiple requests. The ab tool needs the -k switch to enable this behavior.
Regards, Roland Sent from my iPhone > On 5 Oct 2016, at 01:32, Olga Gorun <ogo...@gmail.com> wrote: > > > I tried to repeat this benchmark and would be glad to see comments to results > I got. > Tested porjects: gists from original post with the following versions: > > akka-http, 2.4.11 vs spray, 1.3.1 (akka - 2.3.6). In both cases scala 2.11.8, > jvm 8. > > The tests were done on AWS machine of c4.2xlarge type (8 cores CPU, 16GB > memory, ulimit - 500000). As I can see from jvm and system monitoring, it is > far from being limited by CPU, memory, disk IO or networking. OS: Ubuntu 14.04 > > See results at: > https://docs.google.com/spreadsheets/d/1yuFD7WDOzhWB5_Ob7XgAfFAdWt48SrthbvZSZ45GE-k/edit?usp=sharing > > Starting from the fact that my results are different (spray gives better > results than akka-http). In addition I see interesting effects when I use > different benchmark tools. I also started from wrk, but in addition to > throughput I wanted to see failures if exist, and latency percentiles, so I > added tests with weighttp and ab. > > Throughput reported by ab is much different than the rest and shows drastic > difference between akka-http and spray. Reported latency also don't have much > in common. I can think that ab (as a single-threaded tool) can be bottleneck > itself. But how to explain such a difference in throughput for akka-htttp and > spray? And how to explain difference in reported latency. > > Regards, > Olga Gorun > > > > > > -- > >>>>>>>>>> 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. -- >>>>>>>>>> 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.
