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mrk - a C++17 HTTP benchmarking tool

mrk is a modern HTTP benchmarking tool written in C++17 it is capable of generating a significant amount of load when executed on a single multi-core CPU.

the tool is compatible with both Windows and Linux operating systems

mrk is based on wrk, although it does not currently achieve the same level of performance.

Todo

  • support OpenSSL 3.0 to enable secure HTTPS connections
  • improve overall performance
  • Address a bug that occurs during the testing of a server with limited file descriptors (fds)
  • add more command line options
  • support lua scripts

Basic Usage

  mrk -t10 -c500 -d60s http://localhost:8888

This runs a benchmark for 60 seconds, using 10 threads, and keeping 600 HTTP connections open.

Output test Orpy on Linux:

  Running mrk for 1m @ http://localhost:8888
    10 threads and 500 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     2.57ms    4.16ms  81.18ms   89.49%
    Req/Sec    73.87k     8.96k  107.00k    70.59%
    22157258 requests in 1m, 2.19GB sent, 10.13GB read
  Requests/sec:    369287
  Transfer/sec:    172.92MB

How to build

On Linux:

  mkdir build & cd build
  cmake ..
  make

On Windows create a build folder and open a command line in it:

  cmake ..

Open .sln file created with Visual Studio

Command Line Options

  -c, --connections: total number of HTTP connections to keep open with
                     each thread handling N = connections/threads

  -d, --duration:    duration of the test, e.g. 2s, 2m, 2h

  -t, --threads:     total number of threads to use