minor, append kylin.log, don't overwrite
minor, append kylin.log, don't overwrite

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