[root@master ~]# jps
74963 -- process information unavailable
78678 Jps
[root@master ~]# cd /tmp/hsperfdata_redhat/			# redhat为启动该java进程的用户ps -ef | grep $pid查找
[root@master hsperfdata_redhat]# ll
total 32
-rw------- 1 redhat redhat 32768 Sep 27 15:42 74963
[root@master hsperfdata_redhat]# rm -rf 74963 
[root@master hsperfdata_redhat]# jps
78785 Jps