hotfix: update failsafe to 2.16
hotfix: update failsafe to 2.16

apache/incubator-kylin,apache/kylin,apache/kylin,apache/kylin,apache/incubator-kylin,apache/incubator-kylin,apache/kylin,apache/incubator-kylin,apache/incubator-kylin,apache/incubator-kylin,apache/kylin,apache/kylin,apache/kylin