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Akka-nbench

Overview

Akka-nbench is a benchmarking tool created to conduct accurate and repeatable performance tests and stress tests, and produce performance graphs.

AKka-nbench focuses on two metrics of performance:

  • Throughput: number of operations performed in a timeframe, captured in aggregate across all operation types
  • Latency: time to complete single operations, captured in quantiles per-operation

Generated Graph as below. sample_graph

Installation

Docker

See TODO

Manual Installation

You first need to have JDK and Typesafe Activator.

Oracle JDK

Typesafe Activator

You should install R for Graph Generation.

$ sudo apt-get install r-base
$ R
> install.packages(c("getopt", "ggplot2", "reshape", "plyr", "proto", "digest"))
> q()

Quick Start

$ git clone https://github.com/kotakanbe/akka-nbench.git
$ cd akka-nbench
$ activator -mem 512 "run-main bench.Bench sleep"
$ activator -mem 512 "run-main bench.Summarizer" 
$ make results
$ open tests/current/summary.png

Customizing your Benchmark Options

https://github.com/kotakanbe/akka-nbench/blob/master/src/main/resources/application.conf

sleep {                         # Scenario_name
  concurrent = 100              # Sec
  duration = 10                 # Sec
  driver = "bench.drivers.SleepDriver"  # FQCN of Driver Class
  operations = {
    "sleep1" = 6                # operation_name = ratio
    "sleep2" = 4                # operation_name = ratio

  }
}

If you defined as above, it means

  • by 100 Threads(Akka actor)
  • for 10 Seconds
  • The Driver Class is bench.drivers.SleepDriver
  • sleep1 ... 60 Threads ( 6 / (6 + 4) * 100 )
  • sleep2 ... 40 Threads ( 4 / (6 + 4) * 100 )

How to add your Custom Driver

$ cd akka-nbench/src/main/scala/drivers
$ cp SleepDriver.scala MyDriver.scala
$ vim

akka-nbench/src/main/scala/drivers/MyDriver.scala

  • ClassName
class MyDriver(...)
  • Method Contents
  def sleep3(): (Boolean, Long, Long) = {
    val start = System.currentTimeMillis
    log.info("sleep3")
    Thread.sleep(1000)
    val endAt = System.currentTimeMillis
    val elapsedMillis= endAt - start
    (true, endAt, elapsedMillis)
  }
  • getOperataion method
  override val getOperation = () => {
    operation match {
      case "sleep3" => sleep3 _
    }
  }

akka-nbench/src/main/resources/application.conf

mydriver {
  concurrent = 10
  duration = 10
  driver = "bench.drivers.MyDriver"
  operations = {
    "sleep3" = 1
  }
}

Benchmarking

$ cd akka-nbench
$ activator -mem 512 "run-main bench.Bench mydriver"
$ activator -mem 512 "run-main bench.Summarizer"
$ make results
$ open tests/current/summary.png

Multi-Clients benchmark

Benchmarking on Multi Clients and Collect raw.csv. Then cat and sort...

$ cat raw1.csv raw2.csv raw3.csv | sort > raw.csv
$ activator -mem 512 "run-main bench.Summarizer"
$ make results
$ open tests/current/summary.png

Supported Platforms

Unix/Linux

FAQ

etc.