source: hadoop-0.18.3/debian/conf/hadoop-env.sh @ 177

Last change on this file since 177 was 50, checked in by jazz, 16 years ago
  • Initial unstable package rule for hadoop 0.18.3
File size: 2.2 KB
Line 
1# Set Hadoop-specific environment variables here.
2
3# The only required environment variable is JAVA_HOME.  All others are
4# optional.  When running a distributed configuration it is best to
5# set JAVA_HOME in this file, so that it is correctly defined on
6# remote nodes.
7
8# The java implementation to use.  Required.
9export JAVA_HOME=/usr/lib/jvm/java-6-sun
10export HADOOP_HOME=/opt/hadoop
11export HADOOP_CONF_DIR=$HADOOP_HOME/conf
12
13# Extra Java CLASSPATH elements.  Optional.
14# export HADOOP_CLASSPATH=
15
16# The maximum amount of heap to use, in MB. Default is 1000.
17# export HADOOP_HEAPSIZE=2000
18
19# Extra Java runtime options.  Empty by default.
20# export HADOOP_OPTS=-server
21
22# Command specific options appended to HADOOP_OPTS when specified
23export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_NAMENODE_OPTS"
24export HADOOP_SECONDARYNAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_SECONDARYNAMENODE_OPTS"
25export HADOOP_DATANODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_DATANODE_OPTS"
26export HADOOP_BALANCER_OPTS="-Dcom.sun.management.jmxremote $HADOOP_BALANCER_OPTS"
27export HADOOP_JOBTRACKER_OPTS="-Dcom.sun.management.jmxremote $HADOOP_JOBTRACKER_OPTS"
28# export HADOOP_TASKTRACKER_OPTS=
29# The following applies to multiple commands (fs, dfs, fsck, distcp etc)
30# export HADOOP_CLIENT_OPTS
31
32# Extra ssh options.  Empty by default.
33# export HADOOP_SSH_OPTS="-o ConnectTimeout=1 -o SendEnv=HADOOP_CONF_DIR"
34
35# Where log files are stored.  $HADOOP_HOME/logs by default.
36export HADOOP_LOG_DIR=/var/log/hadoop
37
38# File naming remote slave hosts.  $HADOOP_HOME/conf/slaves by default.
39# export HADOOP_SLAVES=${HADOOP_HOME}/conf/slaves
40
41# host:path where hadoop code should be rsync'd from.  Unset by default.
42# export HADOOP_MASTER=master:/home/$USER/src/hadoop
43
44# Seconds to sleep between slave commands.  Unset by default.  This
45# can be useful in large clusters, where, e.g., slave rsyncs can
46# otherwise arrive faster than the master can service them.
47# export HADOOP_SLAVE_SLEEP=0.1
48
49# The directory where pid files are stored. /tmp by default.
50# export HADOOP_PID_DIR=/var/hadoop/pids
51
52# A string representing this instance of hadoop. $USER by default.
53# export HADOOP_IDENT_STRING=$USER
54
55# The scheduling priority for daemon processes.  See 'man nice'.
56# export HADOOP_NICENESS=10
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