ruslander

GOPATH=$(shell pwd)/vendor:$(shell pwd)
GOBIN=$(shell pwd)/bin
GOFILES=$(wildcard *.go)
GONAME=$(shell basename "$(PWD)")
PID=/tmp/go-$(GONAME).pid

build:
  @echo "Building $(GOFILES) to ./bin"
  @GOPATH=$(GOPATH) GOBIN=$(GOBIN) go build -o bin/$(GONAME) $(GOFILES)

ruslander

Node Exporter
-----------------------------------------------------------------------------------------------------------------

curl -Lo /etc/yum.repos.d/_copr_ibotty-prometheus-exporters.repo https://copr.fedorainfracloud.org/coprs/ibotty/prometheus-exporters/repo/epel-7/ibotty-prometheus-exporters-epel-7.repo
yum install -y node_exporter

sudo echo 'kernel.perf_event_paranoid=-1' > '/etc/sysctl.d/51-enable-perf-events.conf'

ruslander

Parallel queues model with PDQ

Took as an example the "Internet Provider" from "The practical Performance Analyst".

	#!/usr/bin/perl

	use pdq;

	# Globals
	$arrivRate = 3;

ruslander

"use strict";

const aws = require("@pulumi/aws");

let size = "t1.micro";    
let ami  = "ami-0ac019f4fcb7cb7e6"; 
let localKey = "local-mac";
let nodes = [];

ruslander

import org.jgroups.JChannel;
import org.jgroups.Message;
import org.jgroups.ReceiverAdapter;
import org.jgroups.View;
import org.jgroups.util.Util;

public class Chat {

    public static void main(String[] args) throws Exception {
        JChannel ch = new JChannel("tcp.xml");

ruslander

using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;

namespace TooMuchWhite
{
    class Program
    {

ruslander

Logical view
	Code and its structures 5:26

Process view
	How the elements of code gets packaged in units of deployment
	
Physical view
	How those get plugged to phisical machines
	
Scenarios 

ruslander

public class FractionalKnapsack {

    public static class Loot implements Comparable{

        public Loot(int i, int v, int w){
            Index = i;
            Ratio = (double)v / w;
            Weight = w;
            Benefit = v;
        }

ruslander

using System;
using System.Configuration;
using System.Linq;
using Microsoft.WindowsAzure.Storage;
using Newtonsoft.Json;
using Streamstone;

namespace InServiceCqrs
{
    class Program

ruslander

public class FibonacciLastDigit {
    private static int getFibonacciLastDigit(int n) {
        if (n <= 1)
            return n;

        int previous = 0;
        int current  = 1;

        for (int i = 0; i < n - 1; ++i) {