terrancesnyder

#!/bin/sh
export JAVA_HOME=/opt/java/current
export EC2_PRIVATE_KEY=/home/ubuntu/cloudstrap.io/modules/amazon/files/certs/pk.pem
export EC2_CERT=/home/ubuntu/cloudstrap.io/modules/amazon/files/certs/cert.pem
export EC2_HOME=/opt/ec2-api-tools-1.5.3.1
export PATH=$PATH:$EC2_HOME/bin

ec2-describe-tags --filter "resource-type=instance" --filter "key=node" | while read x;
do
        node=`echo $x | awk '{print $5}'`

terrancesnyder

// Show how to handle Ctrl+C in Node.js

var zmq = require('zmq')
  , socket = zmq.createSocket('rep');

socket.on('message', function(buf) {
  // echo request back
  socket.send(buf);
});

terrancesnyder

<!-- This should be served by your server -->
<script src="/socket.io/socket.io.js"></script>
<script>
  var socket = io.connect('http://localhost');
  socket.on('news', function (data) {
    console.log(data);
    socket.emit('my other event', { my: 'data' });
  });
</script>

terrancesnyder

infrastructure
  .discover('solr')
  .enter(function(instance) { // when a new instance has announced itself or come online again
    // instance.port
    // instance.core
    // instance.ip
    // instance.ttl
  })
  .exit(function(instance) {  // when an instance has left
    // when an instance has left we can now unregister it

terrancesnyder

var cloudfront = require('./cloudfront.io');
var infrastructure = new cloudfront.infrastructure();

// announce that there is a memcache instance available
// to the collective
infrastructure.announce('memcache', { 
    ip: '<yourip>',
    port: '<yourport>',
    tag: '<sometag you care about>'
}, 5000);

terrancesnyder

var cloudfront = require('./cloudfront.io');
var infrastructure = new cloudfront.infrastructure();

infrastructure.discover('memcache')
              .enter(function(instance, done) {
                 // do something when a new memcache instance joins
                 done(); // callback required for ATOMIC acknowledgement (same concept as QUnit)
              })
              .exit(function(instance, done) {
                 // do something when an instance has leaves

terrancesnyder

ab -v 2 -c 30 -n 100 "http://www.yourdomain.com/" | grep -ohE "Set-Cookie: jspsession=..........................."

terrancesnyder

var zmq = require('zmq'),
    sock = zmq.socket('push'),
    _ = require('underscore');

// increase swap for high water mark
zmq.options.swap = 1024;
zmq.options.hwm = 0;
// zmq.options.rate = 800000;

sock.bind('tcp://127.0.0.1:3000', function(err) {

terrancesnyder

var zmq = require('zmq')
  , sock = zmq.socket('pull');

// increase swap for high water mark
zmq.options.swap = 1024;
zmq.options.hwm = 0;
// zmq.options.rate = 800000;

sock.connect('tcp://127.0.0.1:3000');
console.log('Worker connected to port 3000');

terrancesnyder

var out = _step_.getTrans().getServletPrintWriter();

out.println("<H1>");
out.println("Hello World!");
out.println("ときょ　東京　コーヒー");
out.println("</H1>");