CDH上spark gateway 无状态 不适用是什么意思？求大神解释

CDH上spark gateway是做什么的？ 装好之后 显示 无状态 不适用 但是spark也不报警 这是怎么回事？求大神解释

服务器角色分配表

服务器（cdhwork.org）	ip地址	安装的角色
server1	192.168.10.1	CDH本地镜像，cloudera manager，时间服务器
server2	192.168.10.2	Cloudera Management Service Host Monitor Cloudera Management Service Service Monitor
server3	192.168.10.3	HDFS NameNode Hive Gateway Impala Catalog Server Cloudera Management Service Alert Publisher Spark Gateway ZooKeeper Server
server4	192.168.10.4	HDFS SecondaryNameNode Hive Gateway Impala StateStore Solr Server Spark Gateway YARN (MR2 Included) ResourceManager ZooKeeper Server
server5	192.168.10.5	HDFS Balancer Hive Gateway Hue Server Cloudera Management Service Activity Monitor Oozie Server Spark Gateway Sqoop 2 Server ZooKeeper Server
server6	192.168.10.6	HBase Master Hive Gateway MapReduce JobTracker Solr Server Spark Gateway YARN (MR2 Included) JobHistory Server ZooKeeper Server
server7	192.168.10.7	HBase REST Server HBase Thrift Server Hive Metastore Server HiveServer2 Key-Value Store Indexer Lily HBase Indexer Cloudera Management Service Event Server Spark History Server
server8	192.168.10.8	HBase RegionServer HDFS DataNode Impala Daemon MapReduce TaskTracker YARN (MR2 Included) NodeManager
server9	192.168.10.9	HBase RegionServer HDFS DataNode Impala Daemon MapReduce TaskTracker YARN (MR2 Included) NodeManager
server10	192.168.10.10	HBase RegionServer HDFS DataNode Impala Daemon MapReduce TaskTracker YARN (MR2 Included) NodeManager
server11	192.168.10.11	HBase RegionServer HDFS DataNode Impala Daemon MapReduce TaskTracker YARN (MR2 Included) NodeManager
server12	192.168.10.12	HBase RegionServer HDFS DataNode Impala Daemon MapReduce TaskTracker YARN (MR2 Included) NodeManager

猜测是一种角色

spark gateway 是spark网关，spark通过该网关连接CHD并接受CHD管理。。。。。spark只是注册到了CDH上面，CDH只是监测显示spark状态，与spark运行正不正常、报不报警没有关系。因为CHD就是实现了一个观察者模式，接受集群软件的注册，管理集群。你这是不适用也不报警，我猜测是配置没有配好（如ip地址等）

遇到同样的问题，有解决方案吗？装不了 spark 了。。。。

遇到同样的问题，楼主怎么解决的