1.zookeeper的安装和配置 下载:http://zookeeper.apache.org/releases.html 把conf目录下的zoo_sample.cfg改名成zoo.cfg,这里我是先备份了zoo_sample.cfg再改的名. 把zoo.cfg里面的内容改成: # The number of milliseconds of each tick tickTime=2000 # The number of ticks that the initial # synchroniza