[ENH] refine mount's output

[gangliao]

No description provided.

[gangliao]

2019-09-25 00:57:36,363 INFO zookeeper.ZooKeeper: Client environment:java.library.path=/home/gangliao/hadoop/hadoop-dist/target/hadoop-3.3.0-SNAPSHOT//lib/native
2019-09-25 00:57:36,363 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp
2019-09-25 00:57:36,363 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA>
2019-09-25 00:57:36,363 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux
2019-09-25 00:57:36,363 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64
2019-09-25 00:57:36,363 INFO zookeeper.ZooKeeper: Client environment:os.version=3.10.0-957.21.3.el7.x86_64
2019-09-25 00:57:36,364 INFO zookeeper.ZooKeeper: Client environment:user.name=gangliao
2019-09-25 00:57:36,364 INFO zookeeper.ZooKeeper: Client environment:user.home=/home/gangliao
2019-09-25 00:57:36,364 INFO zookeeper.ZooKeeper: Client environment:user.dir=/home/gangliao/hadoop/hadoop-dist/target/hadoop-3.3.0-SNAPSHOT
2019-09-25 00:57:36,364 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=localhost:7181 sessionTimeout=30000 watcher=org.apache.curator.ConnectionState@4c40b76e
2019-09-25 00:57:36,379 INFO zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:7181. Will not attempt to authenticate using SASL (unknown error)
2019-09-25 00:57:36,384 INFO zookeeper.ClientCnxn: Socket connection established to localhost/127.0.0.1:7181, initiating session
2019-09-25 00:57:36,399 WARN zookeeper.ClientCnxnSocket: Connected to an old server; r-o mode will be unavailable
2019-09-25 00:57:36,400 INFO zookeeper.ClientCnxn: Session establishment complete on server localhost/127.0.0.1:7181, sessionid = 0x2b1a1131c1800000, negotiated timeout = 30000
2019-09-25 00:57:36,405 INFO state.ConnectionStateManager: State change: CONNECTED
2019-09-25 00:57:37,432 INFO mount.MountsManager: Installed mount table: [MountEntry [fsUri=hdfs://localhost:9000, mountPoint=/nnThroughputBenchmark/create/ThroughputBenchDir0, attributes=[]], MountEntry [fsUri=hdfs://localhost:9000, mountPoint=/, attributes=[]]]
			============================================
			               Mount Table
			============================================
   ______________________________________________________________________________________
   | NameNode             | Path                                             | Attributes|
   |=====================================================================================|
1. | hdfs://localhost:9000| /nnThroughputBenchmark/create/ThroughputBenchDir0|           |
2. | hdfs://localhost:9000| /                                                |           |

[gangliao]

fix #192