minor, enable some job configurations on mapper mem
minor, enable some job configurations on mapper mem

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