ljwagerfield

Profiling Memory Usage of a Method (JVM)

Prerequisites:

• YourKit

Steps:

1. Add Thread.sleep(60000) to the START and END of the method you want to profile.

ljwagerfield

case class Product(id: Int, price: Int, inStock: Boolean)

case class Basket(productIds: List[Int])

trait ProductRepo {
  def getProduct(productId: Int): Product
}

trait ShoppingBasketRepo {

ljwagerfield

# -*-Shell-script-*-
#
# functions This file contains functions to be used by most or all
#   shell scripts in the /etc/init.d directory.
#

TEXTDOMAIN=initscripts

# Make sure umask is sane
umask 022

ljwagerfield

def run() = {
    import scala.concurrent.{ blocking, ExecutionContext, Future }
    implicit val ec = ExecutionContext.fromExecutor(java.util.concurrent.Executors.newFixedThreadPool(1))

    val startTime = System.nanoTime()
    def event(name: String) =
        Console.println(s"t=${(System.nanoTime - startTime) / 1000000000}s | $name")

    event("REPORT request RCVD")
    val candidates = 1 to 10

ljwagerfield

def run() = {
    import scala.concurrent.{ blocking, ExecutionContext, Future }
    implicit val ec = ExecutionContext.fromExecutor(java.util.concurrent.Executors.newFixedThreadPool(1))

    val startTime = System.nanoTime()
    def event(name: String) =
        Console.println(s"t=${(System.nanoTime - startTime) / 1000000000}s | $name")

    event("REPORT request RCVD")
    val candidates = 1 to 10