hadoop/hadoop-mapreduce-project/conf/mapred-env.sh
Allen Wittenauer 58ed4fa544 HADOOP-13341. Deprecate HADOOP_SERVERNAME_OPTS; replace with (command)_(subcommand)_OPTS
This commit includes the following changes:

	HADOOP-13356. Add a function to handle command_subcommand_OPTS
	HADOOP-13355. Handle HADOOP_CLIENT_OPTS in a function
	HADOOP-13554. Add an equivalent of hadoop_subcmd_opts for secure opts
	HADOOP-13562. Change hadoop_subcommand_opts to use only uppercase
	HADOOP-13358. Modify HDFS to use hadoop_subcommand_opts
	HADOOP-13357. Modify common to use hadoop_subcommand_opts
	HADOOP-13359. Modify YARN to use hadoop_subcommand_opts
	HADOOP-13361. Modify hadoop_verify_user to be consistent with hadoop_subcommand_opts (ie more granularity)
	HADOOP-13564. modify mapred to use hadoop_subcommand_opts
	HADOOP-13563. hadoop_subcommand_opts should print name not actual content during debug
	HADOOP-13360. Documentation for HADOOP_subcommand_OPTS

This closes apache/hadoop#126
2016-09-12 11:10:00 -07:00

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
## THIS FILE ACTS AS AN OVERRIDE FOR hadoop-env.sh FOR ALL
## WORK DONE BY THE mapred AND RELATED COMMANDS.
##
## Precedence rules:
##
## mapred-env.sh > hadoop-env.sh > hard-coded defaults
##
## MAPRED_xyz > HADOOP_xyz > hard-coded defaults
##
###
# Job History Server specific parameters
###
# Specify the max heapsize for the JobHistoryServer. If no units are
# given, it will be assumed to be in MB.
# This value will be overridden by an Xmx setting specified in HADOOP_OPTS,
# and/or MAPRED_HISTORYSERVER_OPTS.
# Default is the same as HADOOP_HEAPSIZE_MAX.
#export HADOOP_JOB_HISTORYSERVER_HEAPSIZE=
# Specify the JVM options to be used when starting the HistoryServer.
# These options will be appended to the options specified as HADOOP_OPTS
# and therefore may override any similar flags set in HADOOP_OPTS
#export MAPRED_HISTORYSERVER_OPTS=
# Specify the log4j settings for the JobHistoryServer
# Java property: hadoop.root.logger
#export HADOOP_JHS_LOGGER=INFO,RFA