@Yew Hoong Chia Is 120 retries count. Not ms/seconds unit but count of number of retry times it will attempt. From org.apache.hadoop.fs.CommonConfigurationKeys: /** number of zookeeper operation retry times in ActiveStandbyElector */ public static final String HA_FC_ELECTOR_ZK_OP_RETRIES_KEY ="ha.failover-controller.active-standby-elector.zk.op.retries"; public static final int HA_FC_ELECTOR_ZK_OP_RETRIES_DEFAULT = 3; HTH ... View more