从3.4版本以后,在配置文件中有2个参数分别设置快照的清理。默认没有打开。
autopurge.purgeInterval=1 这个参数指定了清理频率,单位是小时,需要填写一个1或更大的整数,默认是0,表示不开启自己清理功能
autopurge.snapRetainCount=3 这个参数和上面的参数搭配使用,这个参数指定了需要保留的文件数目。默认是保留3个。
还有一种方法,系统提供了zkCleanup.sh脚本,执行该脚本也可以手工清理。
# The number of milliseconds of each tick tickTime=2000 # The number of ticks that the initial # synchronization phase can take initLimit=10 # The number of ticks that can pass between # sending a request and getting an acknowledgement syncLimit=5 # the directory where the snapshot is stored. # do not use /tmp for storage, /tmp here is just # example sakes. dataDir=/data/zookeeper/zkdata dataLogDir=/data/zookeeper/zkdatalog # the port at which the clients will connect clientPort=2181 #171102 server.1=10.15.201.83:2888:3888 server.2=10.15.201.84:2888:3888 server.3=10.15.201.85:2888:3888 # the maximum number of client connections. # increase this if you need to handle more clients #maxClientCnxns=60 # # Be sure to read the maintenance section of the # administrator guide before turning on autopurge. # # http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance # # The number of snapshots to retain in dataDir autopurge.snapRetainCount=3 # Purge task interval in hours # Set to "0" to disable auto purge feature autopurge.purgeInterval=1