Philip K. Adetiloye mavencode01

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

Install, Setup, and Test Spark and Cassandra on Mac OS X

This Gist assumes you already followed the instructions to install Cassandra, created a keyspace and table, and added some data.

Install Apache Spark

brew install apache-spark

	input {
	redis {
	host => "127.0.0.1"
	type => "redis-input"
	# these settings should match the output of the agent
	data_type => "list"
	key => "logstash"
	# We use json_event here since the sender is a logstash agent
	message_format => "json_event"
	}

	input {
	tcp {
	type => "apache"
	port => 3333
	add_field => { "server" => "prod1" }
	}
	tcp {
	type => "apache"
	port => 3334
	add_field => { "server" => "prod2" }

	{
	"title": "Apache and Tomcat Logs",
	"services": {
	"query": {
	"list": {
	"0": {
	"query": "apache !tomcat !static",
	"alias": "",
	"color": "#7EB26D",
	"id": 0,

	// Set up the UIRefreshControl.
	self.refreshControl = [[UIRefreshControl alloc] init];
	[self.refreshControl addTarget:self
	action:@selector(refreshInvoked:forState:)
	forControlEvents:UIControlEventValueChanged];

	// Create a UITableViewController so we can use a UIRefreshControl.
	UITableViewController *tvc = [[UITableViewController alloc] initWithStyle:self.tableView.style];
	tvc.tableView = self.tableView;
	tvc.refreshControl = self.refreshControl;

	body {
	font-family: arial;
	}

	table {
	border: 1px solid #ccc;
	width: 100%;
	margin:0;
	padding:0;
	border-collapse: collapse;

	// Copyright 2014 BrightTag, Inc. All rights reserved.
	package com.brighttag.storm.utils;

	import static com.google.common.base.Preconditions.checkArgument;

	/**
	* Computes the parallelism for a particular topology and machine configuration.
	*
	* @author codyaray
	* @since 4/21/2014

	package com.mycompany.ssl;

	import java.net.Socket;
	import java.security.Principal;
	import java.security.PrivateKey;
	import java.security.cert.X509Certificate;
	import java.util.List;

	import javax.annotation.Nullable;
	import javax.net.ssl.X509KeyManager;