| # |
| # 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. |
| |
| # Set Ozone-specific environment variables here. |
| |
| # Enable core dump when crash in C++ |
| ulimit -c unlimited |
| |
| # Many of the options here are built from the perspective that users |
| # may want to provide OVERWRITING values on the command line. |
| # For example: |
| # |
| # JAVA_HOME=/usr/java/testing ozone fs -ls |
| # |
| # Therefore, the vast majority (BUT NOT ALL!) of these defaults |
| # are configured for substitution and not append. If append |
| # is preferable, modify this file accordingly. |
| |
| ### |
| # Generic settings |
| ### |
| |
| # Technically, the only required environment variable is JAVA_HOME. |
| # All others are optional. However, the defaults are probably not |
| # preferred. Many sites configure these options outside of Ozone, |
| # such as in /etc/profile.d |
| |
| # The java implementation to use. By default, this environment |
| # variable is REQUIRED on ALL platforms except OS X! |
| # export JAVA_HOME= |
| |
| # Location of Ozone. By default, Ozone will attempt to determine |
| # this location based upon its execution path. |
| # export OZONE_HOME= |
| |
| # Location of Ozone's configuration information. i.e., where this |
| # file is living. If this is not defined, Ozone will attempt to |
| # locate it based upon its execution path. |
| # |
| # NOTE: It is recommend that this variable not be set here but in |
| # /etc/profile.d or equivalent. Some options (such as |
| # --config) may react strangely otherwise. |
| # |
| # export OZONE_CONF_DIR=${OZONE_HOME}/etc/hadoop |
| |
| # The maximum amount of heap to use (Java -Xmx). If no unit |
| # is provided, it will be converted to MB. Daemons will |
| # prefer any Xmx setting in their respective _OPT variable. |
| # There is no default; the JVM will autoscale based upon machine |
| # memory size. |
| # export OZONE_HEAPSIZE_MAX= |
| |
| # The minimum amount of heap to use (Java -Xms). If no unit |
| # is provided, it will be converted to MB. Daemons will |
| # prefer any Xms setting in their respective _OPT variable. |
| # There is no default; the JVM will autoscale based upon machine |
| # memory size. |
| # export OZONE_HEAPSIZE_MIN= |
| |
| # Extra Java runtime options for all Ozone commands. We don't support |
| # IPv6 yet/still, so by default the preference is set to IPv4. |
| # export OZONE_OPTS="-Djava.net.preferIPv4Stack=true" |
| # For Kerberos debugging, an extended option set logs more information |
| # export OZONE_OPTS="-Djava.net.preferIPv4Stack=true -Dsun.security.krb5.debug=true -Dsun.security.spnego.debug" |
| |
| # Some parts of the shell code may do special things dependent upon |
| # the operating system. We have to set this here. See the next |
| # section as to why.... |
| export OZONE_OS_TYPE=${OZONE_OS_TYPE:-$(uname -s)} |
| |
| # Extra Java runtime options for some Ozone commands |
| # and clients (e.g., ozone sh). These get appended to OZONE_OPTS for |
| # such commands. In most cases, this should be left empty and |
| # let users supply it on the command line. |
| # export OZONE_CLIENT_OPTS="" |
| |
| # |
| # A note about classpaths. |
| # |
| # By default, Apache Ozone overrides Java's CLASSPATH |
| # environment variable. It is configured such |
| # that it starts out blank with new entries added after passing |
| # a series of checks (file/dir exists, not already listed aka |
| # de-deduplication). During de-deduplication, wildcards and/or |
| # directories are *NOT* expanded to keep it simple. Therefore, |
| # if the computed classpath has two specific mentions of |
| # awesome-methods-1.0.jar, only the first one added will be seen. |
| # If two directories are in the classpath that both contain |
| # awesome-methods-1.0.jar, then Java will pick up both versions. |
| |
| # An additional, custom CLASSPATH. Site-wide configs should be |
| # handled via the shellprofile functionality, utilizing the |
| # ozone_add_classpath function for greater control and much |
| # harder for apps/end-users to accidentally override. |
| # Similarly, end users should utilize ${HOME}/.ozonerc . |
| # This variable should ideally only be used as a short-cut, |
| # interactive way for temporary additions on the command line. |
| # export OZONE_CLASSPATH="/some/cool/path/on/your/machine" |
| |
| # Should OZONE_CLASSPATH be first in the official CLASSPATH? |
| # export OZONE_USER_CLASSPATH_FIRST="yes" |
| |
| # If OZONE_USE_CLIENT_CLASSLOADER is set, OZONE_CLASSPATH and |
| # OZONE_USER_CLASSPATH_FIRST are ignored. |
| # export OZONE_USE_CLIENT_CLASSLOADER=true |
| |
| ### |
| # Options for remote shell connectivity |
| ### |
| |
| # There are some optional components of ozone that allow for |
| # command and control of remote hosts. For example, |
| # start-ozone.sh will attempt to bring up all OMs, SCMs, DNs, etc. |
| |
| # Options to pass to SSH when one of the "log into a host and |
| # start/stop daemons" scripts is executed |
| # export OZONE_SSH_OPTS="-o BatchMode=yes -o StrictHostKeyChecking=no -o ConnectTimeout=10s" |
| |
| # The built-in ssh handler will limit itself to 10 simultaneous connections. |
| # For pdsh users, this sets the fanout size ( -f ) |
| # Change this to increase/decrease as necessary. |
| # export OZONE_SSH_PARALLEL=10 |
| |
| # Filename which contains all of the hosts for any remote execution |
| # helper scripts # such as workers.sh, start-ozone.sh, etc. |
| # export OZONE_WORKERS="${OZONE_CONF_DIR}/workers" |
| |
| ### |
| # Options for all daemons |
| ### |
| # |
| |
| # |
| # Many options may also be specified as Java properties. It is |
| # very common, and in many cases, desirable, to hard-set these |
| # in daemon _OPTS variables. Where applicable, the appropriate |
| # Java property is also identified. Note that many are re-used |
| # or set differently in certain contexts (e.g., secure vs |
| # non-secure) |
| # |
| |
| # Where (primarily) daemon log files are stored. |
| # ${OZONE_HOME}/logs by default. |
| # Java property: hadoop.log.dir |
| # export OZONE_LOG_DIR=${OZONE_HOME}/logs |
| |
| # A string representing this instance of Ozone. $USER by default. |
| # This is used in writing log and pid files, so keep that in mind! |
| # Java property: hadoop.id.str |
| # export OZONE_IDENT_STRING=$USER |
| |
| # How many seconds to pause after stopping a daemon |
| # export OZONE_STOP_TIMEOUT=5 |
| |
| # Where pid files are stored. /tmp by default. |
| # export OZONE_PID_DIR=/tmp |
| |
| # Default log4j setting for interactive commands |
| # Java property: hadoop.root.logger |
| # export OZONE_ROOT_LOGGER=INFO,console |
| |
| # Default log4j setting for daemons spawned explicitly by |
| # --daemon option of ozone command. |
| # Java property: hadoop.root.logger |
| # export OZONE_DAEMON_ROOT_LOGGER=INFO,RFA |
| |
| # Default log level and output location for security-related messages. |
| # You will almost certainly want to change this on a per-daemon basis via |
| # the Java property (i.e., -Dhadoop.security.logger=foo). |
| # Java property: hadoop.security.logger |
| # export OZONE_SECURITY_LOGGER=INFO,NullAppender |
| |
| # Default process priority level |
| # Note that sub-processes will also run at this level! |
| # export OZONE_NICENESS=0 |
| |
| # Default name for the service level authorization file |
| # Java property: hadoop.policy.file |
| # export OZONE_POLICYFILE="hadoop-policy.xml" |
| |
| # |
| # NOTE: this is not used by default! <----- |
| # You can define variables right here and then re-use them later on. |
| # For example, it is common to use the same garbage collection settings |
| # for all the daemons. So one could define: |
| # |
| # export OZONE_GC_SETTINGS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps" |
| # |
| # .. and then use it when setting OZONE_OM_OPTS, etc. below |
| |
| ### |
| # Secure/privileged execution |
| ### |
| |
| # |
| # Out of the box, Ozone uses jsvc from Apache Commons to launch daemons |
| # on privileged ports. This functionality can be replaced by providing |
| # custom functions. See ozone-functions.sh for more information. |
| # |
| |
| # The jsvc implementation to use. Jsvc is required to run secure datanodes |
| # that bind to privileged ports to provide authentication of data transfer |
| # protocol. Jsvc is not required if SASL is configured for authentication of |
| # data transfer protocol using non-privileged ports. |
| # export JSVC_HOME=/usr/bin |
| |
| # |
| # This directory contains pids for secure and privileged processes. |
| #export OZONE_SECURE_PID_DIR=${OZONE_PID_DIR} |
| |
| # |
| # This directory contains the logs for secure and privileged processes. |
| # Java property: hadoop.log.dir |
| # export OZONE_SECURE_LOG=${OZONE_LOG_DIR} |
| |
| # |
| # When running a secure daemon, the default value of OZONE_IDENT_STRING |
| # ends up being a bit bogus. Therefore, by default, the code will |
| # replace OZONE_IDENT_STRING with OZONE_xx_SECURE_USER. If one wants |
| # to keep OZONE_IDENT_STRING untouched, then uncomment this line. |
| # export OZONE_SECURE_IDENT_PRESERVE="true" |
| |
| ### |
| # Ozone Manager specific parameters |
| ### |
| # Specify the JVM options to be used when starting the Ozone Manager. |
| # These options will be appended to the options specified as OZONE_OPTS |
| # and therefore may override any similar flags set in OZONE_OPTS |
| # |
| # export OZONE_OM_OPTS="" |
| |
| ### |
| # Ozone DataNode specific parameters |
| ### |
| # Specify the JVM options to be used when starting Ozone DataNodes. |
| # These options will be appended to the options specified as OZONE_OPTS |
| # and therefore may override any similar flags set in OZONE_OPTS |
| # |
| # export OZONE_DATANODE_OPTS="" |
| |
| ### |
| # HDFS StorageContainerManager specific parameters |
| ### |
| # Specify the JVM options to be used when starting the HDFS Storage Container Manager. |
| # These options will be appended to the options specified as OZONE_OPTS |
| # and therefore may override any similar flags set in OZONE_OPTS |
| # |
| # export OZONE_SCM_OPTS="" |
| |
| ### |
| # Advanced Users Only! |
| ### |
| |
| # |
| # When building Ozone, one can add the class paths to the commands |
| # via this special env var: |
| # export OZONE_ENABLE_BUILD_PATHS="true" |
| |
| # |
| # To prevent accidents, shell commands be (superficially) locked |
| # to only allow certain users to execute certain subcommands. |
| # It uses the format of (command)_(subcommand)_USER. |
| # |
| # For example, to limit who can execute the om command, |
| # export OZONE_OM_USER=ozone |