netroy

IMPORTANT: this is outdated, go to https://github.com/netroy/Lockets


"npm install socket-io" & you are ready to go

eculver

#! /bin/sh
# ------------------------------------------------------------------------------
# SOME INFOS : fairly standard (debian) init script.
#                 Note that node doesn't create a PID file (hence --make-pidfile)
#                 has to be run in the background (hence --background)
#                 and NOT as root (hence --chuid)
#
# MORE INFOS :  INIT SCRIPT       http://www.debian.org/doc/debian-policy/ch-opersys.html#s-sysvinit
#               INIT-INFO RULES   http://wiki.debian.org/LSBInitScripts
#               INSTALL/REMOVE    http://www.debian-administration.org/articles/28

brianyang

jQuery(function(){
// Execute this code when the page is ready to work
// Create a Script Tag
 var script=document.createElement('script');
 script.type='text/javascript';
 script.src= "http://search.twitter.com/search.json?&q=%23Ogilvy&callback=processTheseTweets&_="+ new Date().getTime();
// Add the Script to the Body element, which will in turn load the script and run it.
 $("body").append(script);
});

dbainbridge

/**
 * Module dependencies.
 */

var express = require('express')
  , routes = require('./routes')
  , http = require('http');

var app = express();
var server = app.listen(3000);

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

atrawog

L.TileLayer.TileJSON = L.TileLayer.Canvas.extend({
    options: {
        debug: false
    },

    tileSize: 256,

    initialize: function (options) {
        L.Util.setOptions(this, options);

missinglink

var express = require('express')
  , http = require('http')
  , connect = require('connect')
  , io = require('socket.io');

var app = express();
/* NOTE: We'll need to refer to the sessionStore container later. To
 *       accomplish this, we'll create our own and pass it to Express
 *       rather than letting it create its own. */
var sessionStore = new connect.session.MemoryStore();

katanacrimson

var child = require('child_process'),
	util = require('util'),
	netstat = child.spawn('netstat', ['-nb']),
	out = ''

netstat.stdout.on('data', function(data) {
	out += data
})
netstat.stderr.on('data', function(data) {
	console.log('err: ' + data)

max-mapper

var crypto = require('crypto')
var request = require('request')
var url = require('url')
var irc = require('./IRC/lib/irc') // https://github.com/gf3/IRC-js
var ntwitter = require('ntwitter')
var twitter = require('twitter')
var qs = require('querystring')

// separate accounts to post and search because twitter was sending me 500s
// when I tried to use the same oauth creds for both twitter() and ntwitter()

mrflip

Next Steps

• Measure time spend on index, flush, refresh, merge, query, etc. (TD - done)
• Take hot threads snapshots under read+write, read-only, write-only (TD - done)
• Adjust refresh time to 10s (from 1s) and see how load changes (TD)
• Measure time of a rolling restart doing disable_flush and disable_recovery (TD)
• Specify routing on query -- make it choose same node for each shard each time (MD)
• GC new generation size (TD)
• Warmers

• measure before/after of client query time with and without warmers (MD)