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From ka...@apache.org
Subject [19/50] [abbrv] hadoop git commit: HADOOP-10950. rework heap management vars (John Smith via aw)
Date Mon, 15 Dec 2014 18:36:10 GMT
HADOOP-10950. rework heap management vars (John Smith via aw)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/a7c6c710
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/a7c6c710
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/a7c6c710

Branch: refs/heads/YARN-2139
Commit: a7c6c710b2366cea1b7c24e3a2cd46be1eb0f05b
Parents: 44870dc
Author: Allen Wittenauer <aw@apache.org>
Authored: Wed Dec 10 13:37:32 2014 -0800
Committer: Allen Wittenauer <aw@apache.org>
Committed: Wed Dec 10 13:37:32 2014 -0800

----------------------------------------------------------------------
 hadoop-common-project/hadoop-common/CHANGES.txt |  2 +
 .../hadoop-common/src/main/bin/hadoop           |  2 -
 .../src/main/bin/hadoop-functions.sh            | 36 +++++++++++-----
 .../hadoop-common/src/main/bin/rcc              |  2 -
 .../hadoop-common/src/main/conf/hadoop-env.sh   | 15 ++++++-
 .../main/conf/hadoop-user-functions.sh.example  |  7 ----
 .../hadoop-hdfs/src/main/bin/hdfs               |  1 -
 hadoop-mapreduce-project/bin/mapred             |  3 +-
 hadoop-mapreduce-project/conf/mapred-env.sh     | 17 ++++----
 hadoop-yarn-project/hadoop-yarn/bin/yarn        | 14 ++++---
 .../hadoop-yarn/conf/yarn-env.sh                | 44 +++++++-------------
 11 files changed, 73 insertions(+), 70 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-common-project/hadoop-common/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 6242cee..7310dd4 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -11,6 +11,8 @@ Trunk (Unreleased)
 
     HADOOP-9902. Shell script rewrite (aw)
 
+    HADOOP-10950. rework heap management vars (John Smith via aw)
+
   NEW FEATURES
 
     HADOOP-9629. Support Windows Azure Storage - Blob as a file system in Hadoop.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-common-project/hadoop-common/src/main/bin/hadoop
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop b/hadoop-common-project/hadoop-common/src/main/bin/hadoop
index 9df2c7d..be38382 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop
@@ -183,8 +183,6 @@ esac
 hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS"
 HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}"
 
-hadoop_add_param HADOOP_OPTS Xmx "${JAVA_HEAP_MAX}"
-
 hadoop_finalize
 hadoop_java_exec "${COMMAND}" "${CLASS}" "$@"
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
index 2b56634..3e353d9 100644
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
@@ -162,7 +162,6 @@ function hadoop_basic_init
   HADOOP_ROOT_LOGGER=${HADOOP_ROOT_LOGGER:-${HADOOP_LOGLEVEL},console}
   HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_DAEMON_ROOT_LOGGER:-${HADOOP_LOGLEVEL},RFA}
   HADOOP_SECURITY_LOGGER=${HADOOP_SECURITY_LOGGER:-INFO,NullAppender}
-  HADOOP_HEAPSIZE=${HADOOP_HEAPSIZE:-1024}
   HADOOP_SSH_OPTS=${HADOOP_SSH_OPTS:-"-o BatchMode=yes -o StrictHostKeyChecking=no -o ConnectTimeout=10s"}
   HADOOP_SECURE_LOG_DIR=${HADOOP_SECURE_LOG_DIR:-${HADOOP_LOG_DIR}}
   HADOOP_SECURE_PID_DIR=${HADOOP_SECURE_PID_DIR:-${HADOOP_PID_DIR}}
@@ -597,15 +596,6 @@ function hadoop_java_setup
     hadoop_error "ERROR: $JAVA is not executable."
     exit 1
   fi
-  # shellcheck disable=SC2034
-  JAVA_HEAP_MAX=-Xmx1g
-  HADOOP_HEAPSIZE=${HADOOP_HEAPSIZE:-1024}
-  
-  # check envvars which might override default args
-  if [[ -n "$HADOOP_HEAPSIZE" ]]; then
-    # shellcheck disable=SC2034
-    JAVA_HEAP_MAX="-Xmx${HADOOP_HEAPSIZE}m"
-  fi
 }
 
 function hadoop_finalize_libpaths
@@ -617,6 +607,31 @@ function hadoop_finalize_libpaths
   fi
 }
 
+function hadoop_finalize_hadoop_heap
+{
+  if [[ -n "${HADOOP_HEAPSIZE_MAX}" ]]; then
+    if [[ "${HADOOP_HEAPSIZE_MAX}" =~ ^[0-9]+$ ]]; then
+      HADOOP_HEAPSIZE_MAX="${HADOOP_HEAPSIZE_MAX}m"
+    fi
+    hadoop_add_param HADOOP_OPTS Xmx "-Xmx${HADOOP_HEAPSIZE_MAX}"
+  fi
+
+  # backwards compatibility
+  if [[ -n "${HADOOP_HEAPSIZE}" ]]; then
+    if [[ "${HADOOP_HEAPSIZE}" =~ ^[0-9]+$ ]]; then
+      HADOOP_HEAPSIZE="${HADOOP_HEAPSIZE}m"
+    fi
+    hadoop_add_param HADOOP_OPTS Xmx "-Xmx${HADOOP_HEAPSIZE}"
+  fi
+
+  if [[ -n "${HADOOP_HEAPSIZE_MIN}" ]]; then
+    if [[ "${HADOOP_HEAPSIZE_MIN}" =~ ^[0-9]+$ ]]; then
+      HADOOP_HEAPSIZE_MIN="${HADOOP_HEAPSIZE_MIN}m"
+    fi
+    hadoop_add_param HADOOP_OPTS Xms "-Xms${HADOOP_HEAPSIZE_MIN}"
+  fi
+}
+
 #
 # fill in any last minute options that might not have been defined yet
 #
@@ -646,6 +661,7 @@ function hadoop_finalize
   # override of CONF dirs and more
   hadoop_finalize_classpath
   hadoop_finalize_libpaths
+  hadoop_finalize_hadoop_heap
   hadoop_finalize_hadoop_opts
 }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-common-project/hadoop-common/src/main/bin/rcc
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/rcc b/hadoop-common-project/hadoop-common/src/main/bin/rcc
index 7425353..512fc2c 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/rcc
+++ b/hadoop-common-project/hadoop-common/src/main/bin/rcc
@@ -37,7 +37,5 @@ CLASS='org.apache.hadoop.record.compiler.generated.Rcc'
 hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS"
 HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}"
 
-hadoop_add_param HADOOP_OPTS Xmx "${JAVA_HEAP_MAX}"
-
 hadoop_finalize
 hadoop_java_exec rcc "${CLASS}" "$@"

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh b/hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh
index ed9382b..588b02a 100644
--- a/hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh
+++ b/hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh
@@ -64,8 +64,19 @@
 # path.
 # export HADOOP_CONF_DIR=$HADOOP_PREFIX/etc/hadoop
 
-# The maximum amount of heap to use, in MB. Default is 1024.
-# export HADOOP_HEAPSIZE=1024
+# 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 HADOOP_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 HADOOP_HEAPSIZE_MIN=
 
 # Extra Java runtime options for all Hadoop commands. We don't support
 # IPv6 yet/still, so by default the preference is set to IPv4.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-common-project/hadoop-common/src/main/conf/hadoop-user-functions.sh.example
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/conf/hadoop-user-functions.sh.example
b/hadoop-common-project/hadoop-common/src/main/conf/hadoop-user-functions.sh.example
index 7699c40..b2f78f8 100644
--- a/hadoop-common-project/hadoop-common/src/main/conf/hadoop-user-functions.sh.example
+++ b/hadoop-common-project/hadoop-common/src/main/conf/hadoop-user-functions.sh.example
@@ -84,11 +84,4 @@
 #    echo "ERROR: ${JAVA} is not executable." 1>&2
 #    exit 1
 #  fi
-#  JAVA_HEAP_MAX=-Xmx1g
-#  HADOOP_HEAPSIZE=${HADOOP_HEAPSIZE:-128}
-#
-#  # check envvars which might override default args
-#  if [[ -n "$HADOOP_HEAPSIZE" ]]; then
-#    JAVA_HEAP_MAX="-Xmx${HADOOP_HEAPSIZE}m"
-#  fi
 #}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs b/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
index ee666f3..8140f18 100755
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
@@ -273,7 +273,6 @@ if [[ "${HADOOP_DAEMON_MODE}" != "default" ]]; then
   fi
 fi
 
-hadoop_add_param HADOOP_OPTS Xmx "${JAVA_HEAP_MAX}"
 hadoop_finalize
 
 if [[ -n "${supportdaemonization}" ]]; then

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-mapreduce-project/bin/mapred
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/bin/mapred b/hadoop-mapreduce-project/bin/mapred
index 667777a..9f28471 100755
--- a/hadoop-mapreduce-project/bin/mapred
+++ b/hadoop-mapreduce-project/bin/mapred
@@ -95,7 +95,7 @@ case ${COMMAND} in
     hadoop_debug "Appending HADOOP_JOB_HISTORYSERVER_OPTS onto HADOOP_OPTS"
     HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_JOB_HISTORYSERVER_OPTS}"
     if [ -n "${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}" ]; then
-      JAVA_HEAP_MAX="-Xmx${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}m"
+      HADOOP_HEAPSIZE_MAX="${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}"
     fi
     HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_JHS_LOGGER:-$HADOOP_DAEMON_ROOT_LOGGER}
   ;;
@@ -147,7 +147,6 @@ if [[  "${HADOOP_DAEMON_MODE}" != "default" ]]; then
   HADOOP_LOGFILE="hadoop-${HADOOP_IDENT_STRING}-${COMMAND}-${HOSTNAME}.log"
 fi
 
-hadoop_add_param HADOOP_OPTS Xmx "${JAVA_HEAP_MAX}"
 hadoop_finalize
 
 if [[ -n "${supportdaemonization}" ]]; then

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-mapreduce-project/conf/mapred-env.sh
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/conf/mapred-env.sh b/hadoop-mapreduce-project/conf/mapred-env.sh
index 8a4b372..4088ceb 100644
--- a/hadoop-mapreduce-project/conf/mapred-env.sh
+++ b/hadoop-mapreduce-project/conf/mapred-env.sh
@@ -52,17 +52,14 @@
 # Job History Server specific parameters
 ###
 
-# Specify the max heapsize for the Job History Server using a numerical value
-# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set
-# the value to 1000.
-# This value will be overridden by an Xmx setting specified in either
-# MAPRED_OPTS, HADOOP_OPTS, and/or HADOOP_JOB_HISTORYSERVER_OPTS.
-# If not specified, the default value will be picked from either HADOOP_HEAPSIZE
-# or the built-in default.
-#
-#export HADOOP_JOB_HISTORYSERVER_HEAPSIZE=1000
+# 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 either YARN_OPTS,
+# HADOOP_OPTS, and/or HADOOP_JOB_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 ResourceManager.
+# Specify the JVM options to be used when starting the HistoryServer.
 # These options will be appended to the options specified as YARN_OPTS
 # and therefore may override any similar flags set in YARN_OPTS
 #export HADOOP_JOB_HISTORYSERVER_OPTS=

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-yarn-project/hadoop-yarn/bin/yarn
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/bin/yarn b/hadoop-yarn-project/hadoop-yarn/bin/yarn
index dfa27e4..760d8e6 100644
--- a/hadoop-yarn-project/hadoop-yarn/bin/yarn
+++ b/hadoop-yarn-project/hadoop-yarn/bin/yarn
@@ -117,8 +117,9 @@ case "${COMMAND}" in
     CLASS='org.apache.hadoop.yarn.server.nodemanager.NodeManager'
     hadoop_debug "Append YARN_NODEMANAGER_OPTS onto YARN_OPTS"
     YARN_OPTS="${YARN_OPTS} ${YARN_NODEMANAGER_OPTS}"
+    # Backwards compatibility
     if [[ -n "${YARN_NODEMANAGER_HEAPSIZE}" ]]; then
-      JAVA_HEAP_MAX="-Xmx${YARN_NODEMANAGER_HEAPSIZE}m"
+      HADOOP_HEAPSIZE_MAX="${YARN_NODEMANAGER_HEAPSIZE}"
     fi
   ;;
   proxyserver)
@@ -126,8 +127,9 @@ case "${COMMAND}" in
     CLASS='org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer'
     hadoop_debug "Append YARN_PROXYSERVER_OPTS onto YARN_OPTS"
     YARN_OPTS="${YARN_OPTS} ${YARN_PROXYSERVER_OPTS}"
+    # Backwards compatibility
     if [[ -n "${YARN_PROXYSERVER_HEAPSIZE}" ]]; then
-      JAVA_HEAP_MAX="-Xmx${YARN_PROXYSERVER_HEAPSIZE}m"
+      HADOOP_HEAPSIZE_MAX="${YARN_PROXYSERVER_HEAPSIZE}"
     fi
   ;;
   queue)
@@ -140,8 +142,9 @@ case "${COMMAND}" in
     CLASS='org.apache.hadoop.yarn.server.resourcemanager.ResourceManager'
     YARN_OPTS="${YARN_OPTS} ${YARN_RESOURCEMANAGER_OPTS}"
     hadoop_debug "Append YARN_RESOURCEMANAGER_OPTS onto YARN_OPTS"
+    # Backwards compatibility
     if [[ -n "${YARN_RESOURCEMANAGER_HEAPSIZE}" ]]; then
-      JAVA_HEAP_MAX="-Xmx${YARN_RESOURCEMANAGER_HEAPSIZE}m"
+      HADOOP_HEAPSIZE_MAX="${YARN_RESOURCEMANAGER_HEAPSIZE}"
     fi
   ;;
   rmadmin)
@@ -154,8 +157,9 @@ case "${COMMAND}" in
     CLASS='org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer'
     hadoop_debug "Append YARN_TIMELINESERVER_OPTS onto YARN_OPTS"
     YARN_OPTS="${YARN_OPTS} ${YARN_TIMELINESERVER_OPTS}"
+    # Backwards compatibility
     if [[ -n "${YARN_TIMELINESERVER_HEAPSIZE}" ]]; then
-      JAVA_HEAP_MAX="-Xmx${YARN_TIMELINESERVER_HEAPSIZE}m"
+      HADOOP_HEAPSIZE_MAX="${YARN_TIMELINESERVER_HEAPSIZE}"
     fi
   ;;
   sharedcachemanager)
@@ -196,8 +200,6 @@ if [[  "${HADOOP_DAEMON_MODE}" != "default" ]]; then
   HADOOP_LOGFILE="hadoop-${HADOOP_IDENT_STRING}-${COMMAND}-${HOSTNAME}.log"
 fi
 
-hadoop_add_param HADOOP_OPTS Xmx "${JAVA_HEAP_MAX}"
-
 # Add YARN custom options to comamnd line in case someone actaully 
 # used these.
 #

http://git-wip-us.apache.org/repos/asf/hadoop/blob/a7c6c710/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh b/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
index 3d3a036..fdf601f 100644
--- a/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
+++ b/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
@@ -49,15 +49,12 @@
 # Resource Manager specific parameters
 ###
 
-# Specify the max heapsize for the ResourceManager using a numerical value
-# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set
-# the value to 1000.
+# Specify the max heapsize for the ResourceManager.  If no units are
+# given, it will be assumed to be in MB.
 # This value will be overridden by an Xmx setting specified in either YARN_OPTS,
 # HADOOP_OPTS, and/or YARN_RESOURCEMANAGER_OPTS.
-# If not specified, the default value will be picked from either HADOOP_HEAPSIZE
-# or the built-in default.
-#
-#export YARN_RESOURCEMANAGER_HEAPSIZE=1000
+# Default is the same as HADOOP_HEAPSIZE_MAX
+#export YARN_RESOURCEMANAGER_HEAPSIZE=
 
 # Specify the JVM options to be used when starting the ResourceManager.
 # These options will be appended to the options specified as YARN_OPTS
@@ -83,15 +80,12 @@
 # Node Manager specific parameters
 ###
 
-# Specify the max Heapsize for the NodeManager using a numerical value
-# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set
-# the value to 1000.
+# Specify the max heapsize for the NodeManager.  If no units are
+# given, it will be assumed to be in MB.
 # This value will be overridden by an Xmx setting specified in either YARN_OPTS,
 # HADOOP_OPTS, and/or YARN_NODEMANAGER_OPTS.
-# If not specified, the default value will be picked from either HADOOP_HEAPSIZE
-# or the built-in default.
-#
-#export YARN_NODEMANAGER_HEAPSIZE=1000
+# Default is the same as HADOOP_HEAPSIZE_MAX.
+#export YARN_NODEMANAGER_HEAPSIZE=
 
 # Specify the JVM options to be used when starting the NodeManager.
 # These options will be appended to the options specified as YARN_OPTS
@@ -105,15 +99,12 @@
 # TimeLineServer specifc parameters
 ###
 
-# Specify the max Heapsize for the timeline server using a numerical value
-# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set
-# the value to 1000.
+# Specify the max heapsize for the timelineserver.  If no units are
+# given, it will be assumed to be in MB.
 # This value will be overridden by an Xmx setting specified in either YARN_OPTS,
 # HADOOP_OPTS, and/or YARN_TIMELINESERVER_OPTS.
-# If not specified, the default value will be picked from either HADOOP_HEAPSIZE
-# or the built-in default.
-#
-#export YARN_TIMELINESERVER_HEAPSIZE=1000
+# Default is the same as HADOOP_HEAPSIZE_MAX.
+#export YARN_TIMELINE_HEAPSIZE=
 
 # Specify the JVM options to be used when starting the TimeLineServer.
 # These options will be appended to the options specified as YARN_OPTS
@@ -127,15 +118,12 @@
 # Web App Proxy Server specifc parameters
 ###
 
-# Specify the max Heapsize for the proxy server using a numerical value
-# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set
-# the value to 1000.
+# Specify the max heapsize for the web app proxy server.  If no units are
+# given, it will be assumed to be in MB.
 # This value will be overridden by an Xmx setting specified in either YARN_OPTS,
 # HADOOP_OPTS, and/or YARN_PROXYSERVER_OPTS.
-# If not specified, the default value will be picked from either HADOOP_HEAPSIZE
-# or the built-in default.
-#
-#export YARN_PROXYSERVER_HEAPSIZE=1000
+# Default is the same as HADOOP_HEAPSIZE_MAX.
+#export YARN_PROXYSERVER_HEAPSIZE=
 
 # Specify the JVM options to be used when starting the proxy server.
 # These options will be appended to the options specified as YARN_OPTS


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