randomstatistic

import io.lettuce.core.RedisURI
import io.lettuce.core.cluster.{ ClusterClientOptions, ClusterTopologyRefreshOptions, RedisClusterClient }

import scala.util.Random

object MGet {
  def main(args: Array[String]): Unit = {
    val host = args(0)
    val port = args(1).toInt

randomstatistic

import java.util.Map.Entry

import com.typesafe.config.{ Config, ConfigRenderOptions, ConfigValue, ConfigValueFactory }
import org.mindrot.jbcrypt.BCrypt

import scala.io.{ Codec, Source }
import scala.collection.JavaConverters._
import scala.util.Try
import scala.util.matching.Regex

randomstatistic

Java:
  http://java-performance.com/
  
Linux:
  perf (https://perf.wiki.kernel.org/index.php/Main_Page)
  
  perf can be a bit finicky to set up though, One of the most interesting payoffs for the effort is getting cool flame graphs of cpu usage, like this example:
http://www.brendangregg.com/FlameGraphs/cpu-mixedmode-flamegraph-java.svg (from the blog post http://techblog.netflix.com/2015/07/java-in-flames.html)
 
Install perf:

randomstatistic

import io.gatling.commons.stats.{KO, OK}
import io.gatling.commons.util.TimeHelper._
import io.gatling.core.Predef._
import io.gatling.core.action.{Action, ExitableAction}
import io.gatling.core.action.builder.ActionBuilder
import io.gatling.core.stats.StatsEngine
import io.gatling.core.stats.message.ResponseTimings
import io.gatling.core.structure.ScenarioContext
import io.gatling.core.util.NameGen