hadoop-env.sh
上传用户:quxuerui
上传日期:2018-01-08
资源大小:41811k
文件大小:2k
- # Set Hadoop-specific environment variables here.
- # The only required environment variable is JAVA_HOME. All others are
- # optional. When running a distributed configuration it is best to
- # set JAVA_HOME in this file, so that it is correctly defined on
- # remote nodes.
- # The java implementation to use. Required.
- # export JAVA_HOME=/usr/lib/j2sdk1.5-sun
- # Extra Java CLASSPATH elements. Optional.
- # export HADOOP_CLASSPATH=
- # The maximum amount of heap to use, in MB. Default is 1000.
- # export HADOOP_HEAPSIZE=2000
- # Extra Java runtime options. Empty by default.
- # export HADOOP_OPTS=-server
- # Command specific options appended to HADOOP_OPTS when specified
- export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_NAMENODE_OPTS"
- export HADOOP_SECONDARYNAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_SECONDARYNAMENODE_OPTS"
- export HADOOP_DATANODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_DATANODE_OPTS"
- export HADOOP_BALANCER_OPTS="-Dcom.sun.management.jmxremote $HADOOP_BALANCER_OPTS"
- export HADOOP_JOBTRACKER_OPTS="-Dcom.sun.management.jmxremote $HADOOP_JOBTRACKER_OPTS"
- # export HADOOP_TASKTRACKER_OPTS=
- # The following applies to multiple commands (fs, dfs, fsck, distcp etc)
- # export HADOOP_CLIENT_OPTS
- # Extra ssh options. Empty by default.
- # export HADOOP_SSH_OPTS="-o ConnectTimeout=1 -o SendEnv=HADOOP_CONF_DIR"
- # Where log files are stored. $HADOOP_HOME/logs by default.
- # export HADOOP_LOG_DIR=${HADOOP_HOME}/logs
- # File naming remote slave hosts. $HADOOP_HOME/conf/slaves by default.
- # export HADOOP_SLAVES=${HADOOP_HOME}/conf/slaves
- # host:path where hadoop code should be rsync'd from. Unset by default.
- # export HADOOP_MASTER=master:/home/$USER/src/hadoop
- # Seconds to sleep between slave commands. Unset by default. This
- # can be useful in large clusters, where, e.g., slave rsyncs can
- # otherwise arrive faster than the master can service them.
- # export HADOOP_SLAVE_SLEEP=0.1
- # The directory where pid files are stored. /tmp by default.
- # export HADOOP_PID_DIR=/var/hadoop/pids
- # A string representing this instance of hadoop. $USER by default.
- # export HADOOP_IDENT_STRING=$USER
- # The scheduling priority for daemon processes. See 'man nice'.
- # export HADOOP_NICENESS=10