pt-tools
iotop
pstack
orzdba :http://code.taobao.org/p/orzdba/src/trunk/orzdba
mytop :http://jeremy.zawodny.com/mysql/mytop/
mysql-statsd :https://github.com/spilgames/mysql-statsd
nethogs : http://www.oschina.net/p/nethogs/
测试数据生成 :http://www.generatedata.com/