[hadoop@hadoop03 hadoop]$ ps -aux | grep nodemanager
hadoop 10808 8.4 6.4 2841680 258220 ? Sl 21:36 0:21 /usr/java/jdk1.8.0_151//bin/java -Dproc_nodemanager -Xmx1000m -Dhadoop.log.dir=/hadoop/hadoop-2.8.2/logs -Dyarn.log.dir=/hadoop/hadoop-2.8.2/logs -Dhadoop.log.file=yarn-hadoop-nodemanager-hadoop03.log -Dyarn.log.file=yarn-hadoop-nodemanager-hadoop03.log -Dyarn.home.dir= -Dyarn.id.str=hadoop -Dhadoop.root.logger=INFO,RFA -Dyarn.root.logger=INFO,RFA -Djava.library.path=/hadoop/hadoop-2.8.2/lib/native -Dyarn.policy.file=hadoop-policy.xml -server -Dhadoop.log.dir=/hadoop/hadoop-2.8.2/logs -Dyarn.log.dir=/hadoop/hadoop-2.8.2/logs -Dhadoop.log.file=yarn-hadoop-nodemanager-hadoop03.log -Dyarn.log.file=yarn-hadoopnodemanager-hadoop03.log -Dyarn.home.dir=/hadoop/hadoop-2.8.2 -Dhadoop.home.dir=/hadoop/hadoop-2.8.2 -Dhadoop.root.logger=INFO,RFA -Dyarn.root.logger=INFO,RFA -Djava.library.path=/hadoop/hadoop-2.8.2/lib/native -classpath /hadoop/hadoop-2.8.2/etc/hadoop:/hadoop/hadoop-2.8.2/etc/hadoop:/hadoop/hadoop-2.8.2/etc/hadoop:/hadoop/hadoop-2.8.2/share/hadoop/common/lib/*:/hadoop/hadoop-2.8.2/share/hadoop/common/*:/hadoop/hadoop-2.8.2/share/hadoop/hdfs:/hadoop/hadoop-2.8.2/share/hadoop/hdfs/lib/*:/hadoop/hadoop-2.8.2/share/hadoop/hdfs/*:/hadoop/hadoop-2.8.2/share/hadoop/yarn/lib/*:/hadoop/hadoop-2.8.2/share/hadoop/yarn/*:/hadoop/hadoop-2.8.2/share/hadoop/mapreduce/lib/*:/hadoop/hadoop-2.8.2/share/hadoop/mapreduce/*:/contrib/capacity-scheduler/*.jar:/contrib/capacity-scheduler/*.jar:/hadoop/hadoop-2.8.2/share/hadoop/yarn/*:/hadoop/hadoop-2.8.2/share/hadoop/yarn/lib/*:/hadoop/hadoop-2.8.2/etc/hadoop/nm-config/log4j.properties org.apache.hadoop.yarn.server.nodemanager.NodeManager
hadoop 11077 0.0 0.0 112660 968 pts/0 S+ 21:40 0:00 grep --color=auto nodemanager
9 启动jobhistory(查看job状态）
[hadoop@hadoop02 sbin]$ ./mr-jobhistory-daemon.sh start historyserver
starting historyserver, logging to /hadoop/hadoop-2.8.2/logs/mapred-hadoop-historyserver-hadoop02.out
[hadoop@hadoop02 sbin]$
10 查看HDFS信息
[hadoop@hadoop02 bin]$ hdfs dfsadmin -report
Configured Capacity: 97679564800 (90.97 GB)
Present Capacity: 87752962048 (81.73 GB)
DFS Remaining: 87752953856 (81.73 GB)
DFS Used: 8192 (8 KB)
DFS Used%: 0.00%
Under replicated blocks: 0
Blocks with corrupt replicas: 0
Missing blocks: 0
Missing blocks (with replication factor 1): 0
Pending deletion blocks: 0
-------------------------------------------------
Live datanodes (2):
Name: 192.168.169.101:50010 (hadoop01)
Hostname: hadoop01
Decommission Status : Normal
Configured Capacity: 48839782400 (45.49 GB)
DFS Used: 4096 (4 KB)
Non DFS Used: 4984066048 (4.64 GB)
DFS Remaining: 43855712256 (40.84 GB)
DFS Used%: 0.00%
DFS Remaining%: 89.80%
Configured Cache Capacity: 0 (0 B)
Cache Used: 0 (0 B)
Cache Remaining: 0 (0 B)
Cache Used%: 100.00%
Cache Remaining%: 0.00%
Xceivers: 1
Last contact: Sun Nov 05 22:22:53 CST 2017
Name: 192.168.169.103:50010 (hadoop03)
Hostname: hadoop03
Decommission Status : Normal
Configured Capacity: 48839782400 (45.49 GB)
DFS Used: 4096 (4 KB)
Non DFS Used: 4942536704 (4.60 GB)
DFS Remaining: 43897241600 (40.88 GB)
DFS Used%: 0.00%
DFS Remaining%: 89.88%
Configured Cache Capacity: 0 (0 B)
Cache Used: 0 (0 B)
Cache Remaining: 0 (0 B)
Cache Used%: 100.00%
Cache Remaining%: 0.00%
Xceivers: 1
Last contact: Sun Nov 05 22:22:53 CST 2017
如展示结果如下所示：