Hadoop JPS 进程名无法显示

1.jps无法查看进程名:

2897 ExecutorLauncher
16994 CoarseGrainedExecutorBackend
17044 QuorumPeerMain
6932 NameNode
16966 CoarseGrainedExecutorBackend
6503 DataNode
27735 -- process information unavailable
7641 NodeManager
26761 CoarseGrainedExecutorBackend
10106 CoarseGrainedExecutorBackend
1899 Jps
16779 CoarseGrainedExecutorBackend


解决:
1.有人说删除/tmp下的hsper开头文件,我没有,怕影响进程


2.切换用户进行jps,问题解决

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