Hadoop搭建分布式后在主节点JPS查看不到有JobTracker进程
问题在于主节点找不到JobTracker进程
主节点:
[root@hadoop logs]# jps
3204 Jps
2729 NameNode
2888 SecondaryNameNode
父节点1:
[root@hadoop1 local]# jps
2741 TaskTracker
2686 DataNode
2827 Jps
父节点2:
[root@hadoop2 ~]# source /etc/profile
[root@hadoop2 ~]# jps
2614 DataNode
2670 TaskTracker
2756 Jps
mapred-site.xml的设置明明说明jobTracker的运行节点在hadoop(主节点)
<configuration>
<property>
<name>mapred.job.tracker</name>
<value>hadoop:9001</value>
<description>change your own hostname</description>
</property>
</configuration>
问题在于主节点找不到JobTracker进程