John Kim JohnKim

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
Scaling Twitter: Making Twitter 10000 Percent Faster

Gist

Reference : git book

Source Commit

 > git add . 
 > git commit -m "first commit" // commit local storage
 > git push 					// push source code to server

Installation

$ yarn add --dev @babel/plugin-proposal-decorators

	#!/bin/sh
	#
	# redis - this script starts and stops the redis-server daemon
	#
	# chkconfig: - 85 15
	# description: Redis is a persistent key-value database
	# processname: redis-server
	# config: /etc/redis/redis.conf
	# config: /etc/sysconfig/redis
	# pidfile: /var/run/redis.pid

	// Example:

	JavaScript.load("/javascripts/something.js");


	// With callback (that’s the good thing):

	JavaScript.load("http://www.someawesomedomain.com/api.js", function() {
	API.use(); // or whatever api.js provides ...
	});

	package com.example;

	import static org.junit.Assert.assertEquals;
	import java.lang.reflect.InvocationHandler;
	import java.lang.reflect.Method;
	import java.lang.reflect.Proxy;
	import java.util.concurrent.CountDownLatch;
	import org.junit.Test;

	public class Promise {

	<!DOCTYPE html>
	<html ng-app="RSSFeedApp">
	<head>
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<title>AngularJS Feed Reader - jsFiddle demo</title>
	<script type='text/javascript' src="//code.jquery.com/jquery-1.9.1.min.js"></script>
	<script type='text/javascript' src='//cdnjs.cloudflare.com/ajax/libs/angular.js/1.1.1/angular.min.js'></script>
	<script src="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/js/bootstrap.min.js"></script>
	<link rel="stylesheet" type="text/css" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-combined.min.css">
	<link rel="stylesheet" type="text/css" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.0/css/bootstrap-responsive.min.css">

	# first:
	lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom \| while read f; do sudo rm /usr/local/${f}; done
	sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

	# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

	# go to /usr/local/lib and delete any node and node_modules
	cd /usr/local/lib
	sudo rm -rf node*