stanaka

Immutable Infrastructure パネルディスカッション

Immutable Infrastructure & Blue-green Deployment

• Martin Fowler氏
  • BlueGreenDeployment
  • ImmutableServer
• Trash Your Servers and Burn Your Code: Immutable Infrastructure and Disposable Components - Chad Fowler
• 邦訳
  • 「Immutable Infrastructureと捨ててしまえるコンポーネント」 チャド・ファウラー氏 － Publickey
• 「Blue-Green Deployment」とは何か、マーチン・ファウラー氏の解説 － Publickey

stanaka

package main

import "fmt"
import "time"

func main() {
    t := time.Now()
    fmt.Printf("Now: %v\n", t)
}

stanaka

- Official Blog https://blog.docker.com/2014/10/announcing-docker-global-hack-day-2/
- Kick off presentation from the core team https://docker.com/community/globalhackday
- 

stanaka

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Label</key>
	<string>io.mackerel</string>
	<key>RunAtLoad</key>
	<true/>
	<key>KeepAlive</key>
	<true/>

stanaka

#! /usr/bin/env ruby

$ioreg = `ioreg -r -n AppleSmartBattery`
$now = Time.now

def asb(item)
  ret = $ioreg.match(/(#{item})[\"= ]+(\d+)$/)
  ret[2].to_i
end

stanaka

pidfile = "/usr/local/var/run/mackerel-agent.pid"
root = "/usr/local/var/mackerel-agent"
verbose = false
apikey = "APIKEY"

[plugin.metrics.battery]
command = "ruby /usr/local/bin/mackerel-osx-battery.rb"

stanaka

#! /usr/bin/env ruby

$now = Time.now
$cmd = "/Users/stanaka/git/github.com/stanaka/mackerel-osx/smc"

def smc(item)
  ret = `#{$cmd} read #{item}`
  ret = ret.split(/\t/)
  if ret[1]
    ret[1].to_i

stanaka

function do_insert_html(doc, type, element, html) {
    var new_element = doc.createElement(type);
    new_element.innerHTML = html;
    element.parentNode.insertBefore(new_element, element);
};

function engine(name, link,img) {
    this.link = link;
    this.img = img;
	this.name = name;

stanaka

% /sbin/sysctl fs.file-max net.core.somaxconn net.core.rmem_max net.core.wmem_max net.ipv4.tcp_rmem net.ipv4.tcp_wmem net.ipv4.tcp_fin_timeout
fs.file-max = 303065
net.core.somaxconn = 128
net.core.rmem_max = 131071
net.core.wmem_max = 131071
net.ipv4.tcp_rmem = 4096        87380   4194304
net.ipv4.tcp_wmem = 4096        16384   4194304
net.ipv4.tcp_fin_timeout = 60

stanaka

diff -ur libevent-1.3b.original/event.c libevent-1.3b/event.c
--- libevent-1.3b.original/event.c      2007-02-16 09:49:06.000000000 +0900
+++ libevent-1.3b/event.c       2010-08-15 00:58:14.000000000 +0900
@@ -790,13 +790,13 @@
                docount = 0;
 
        if (docount)
-               base->event_count--;
+               __sync_sub_and_fetch(&(base->event_count), 1);