小雪崩 发表于 2018-10-28 13:03:43

Linux系统下pid与pid文件及Hadoop更改pid文件存储位置

$ mkdir -p /opt/software/hadoop-2.8.1/pids  $ jps
  10512 ResourceManager
  8018 Jps
  10004 SecondaryNameNode
  9655 NameNode
  9806 DataNode
  10623 NodeManager
  $ cd /opt/software/hadoop-2.8.1/sbin/
  $ ./stop-dfs.sh
  $ ./stop-yarn.sh
  $ vi hadoop-daemon.sh
  HADOOP_PID_DIR=/opt/software/hadoop-2.8.1/pids
  $ vi yarn-daemon.sh
  YARN_PID_DIR=/opt/software/hadoop-2.8.1/pids
  $ ./start-dfs.sh
  $ ./start-yarn.sh
  $ jps
  9201 SecondaryNameNode
  9425 ResourceManager
  9540 NodeManager
  9828 Jps
  8852 NameNode
  8973 DataNode
  #发现pid存储在新的位置
  $ cd /opt/software/hadoop-2.8.1/pids/
  $ ll
  total 20
  -rw-rw-r-- 1 hadoop hadoop 5 May 22 20:14 hadoop-hadoop-datanode.pid
  -rw-rw-r-- 1 hadoop hadoop 5 May 22 20:14 hadoop-hadoop-namenode.pid
  -rw-rw-r-- 1 hadoop hadoop 5 May 22 20:14 hadoop-hadoop-secondarynamenode.pid
  -rw-rw-r-- 1 hadoop hadoop 5 May 22 20:15 yarn-hadoop-nodemanager.pid
  -rw-rw-r-- 1 hadoop hadoop 5 May 22 20:15 yarn-hadoop-resourcemanager.pid

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