下準備
ruby1.9 と eventmachine が必要
rvm でサクっと環境作って git から持ってくる
$ rvm 1.9.1 $ gem install eventmachine $ git clone git://github.com/roma/roma.git $ cd roma/ruby/server
ここまでで準備完了
サーバ起動してみる
$ bin/mkroute localhost_11211 localhost_11212 --enabled_repeathost $ bin/romad localhost -p 11211 -d --enabled_repeathost 991 $ bin/romad localhost -p 11212 -d --enabled_repeathost 1018
起動完了
接続してみる
$ telnet localhost 11211 Trying ::1... telnet: connect to address ::1: Connection refused Trying fe80::1... telnet: connect to address fe80::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'.
で，実際に値を入れてみる
set foo 0 0 3 bar STORED
入れた値を取得する
get foo VALUE foo 0 3 bar END
おぉ，取れてる!!
もういっこからも取れるか見てみる
$ telnet localhost 11212 Trying ::1... telnet: connect to address ::1: Connection refused Trying fe80::1... telnet: connect to address fe80::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. get foo VALUE foo 0 3 bar END
ちゃんと取れてる!!
すごい!!
一個無理矢理落してみる(障害想定)
$ ps aux | grep romad yoshiori 1079 0.2 0.5 2461676 9600 ?? Ss 9:38PM 0:03.81 ruby bin/romad localhost -p 11212 -d --enabled_repeathost yoshiori 1086 0.1 0.5 2461676 9624 ?? Ss 9:38PM 0:03.80 ruby bin/romad localhost -p 11211 -d --enabled_repeathost yoshiori 1225 0.0 0.0 2425520 108 s001 R+ 9:54PM 0:00.00 grep romad $ kill 1079 $ ps aux | grep romad yoshiori 1086 0.1 0.5 2461676 9632 ?? Ss 9:38PM 0:03.84 ruby bin/romad localhost -p 11211 -d --enabled_repeathost
で，もう一個のサーバに値入力
yoshiori@yoshiori-macbook $ telnet localhost 11211 Trying ::1... telnet: connect to address ::1: Connection refused Trying fe80::1... telnet: connect to address fe80::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. set bar 0 0 4 hoge STORED
で，さっき落したサーバを復旧させてデータ取得してみる
$ bin/romad localhost -p 11212 -d --enabled_repeathost 1280 $ telnet localhost 11212 Trying ::1... telnet: connect to address ::1: Connection refused Trying fe80::1... telnet: connect to address fe80::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. get bar VALUE bar 0 4 hoge END
おぉ!!
ちゃんと同期された!!
終了
バルス!!!
balse
Are you sure?(yes/no)
yes
{"localhost_11211"=>"BYE"}
Connection closed by foreign host.
