scripts/conf/confignode-env.sh - iotdb - Git at Google


            
            #!/bin/bash

            
            #

            
            # 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.

            
            #


            # You can set ConfigNode memory size, example '2G' or '2048M'

            
            # If the MEMORY_SIZE environment variable is already set, its value will be used.

            
            MEMORY_SIZE=${MEMORY_SIZE:-}


            # You can put your env variable here

            
            # export JAVA_HOME=$JAVA_HOME


            # Set max number of open files

            
            max_num=$(ulimit -n)

            
            if [ $max_num -le 65535 ]; then

            
                ulimit -n 65535

            
                if [ $? -ne 0 ]; then

            
                    echo "Warning: Failed to set max number of files to be 65535, maybe you need to use 'sudo ulimit -n 65535' to set it when you use iotdb ConfigNode in production environments."

            
                fi

            
            fi


            # Set somaxconn to a better value to avoid meaningless connection reset issues when the system is under high load.

            
            # The original somaxconn will be set back when the system reboots.

            
            # For more detail, see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19f92a030ca6d772ab44b22ee6a01378a8cb32d4

            
            SOMAXCONN=65535

            
            case "$(uname)" in

            
                Linux)

            
                    somaxconn=$(sysctl -n net.core.somaxconn)

            
                    if [ "$somaxconn" -lt $SOMAXCONN ]; then

            
                        echo "WARN:"

            
                        echo "WARN: the value of net.core.somaxconn (=$somaxconn) is too small, please set it to a larger value using the following command."

            
                        echo "WARN:     sudo sysctl -w net.core.somaxconn=$SOMAXCONN"

            
                        echo "WARN: The original net.core.somaxconn value will be set back when the os reboots."

            
                        echo "WARN:"

            
                    fi

            
                ;;

            
                FreeBSD | Darwin)

            
                    somaxconn=$(sysctl -n kern.ipc.somaxconn)

            
                    if [ "$somaxconn" -lt $SOMAXCONN ]; then

            
                        echo "WARN:"

            
                        echo "WARN: the value of kern.ipc.somaxconn (=$somaxconn) is too small, please set it to a larger value using the following command."

            
                        echo "WARN:     sudo sysctl -w kern.ipc.somaxconn=$SOMAXCONN"

            
                        echo "WARN: The original kern.ipc.somaxconn value will be set back when the os reboots."

            
                        echo "WARN:"

            
                    fi

            
                ;;

            
            esac


            # whether we allow enable heap dump files

            
            IOTDB_ALLOW_HEAP_DUMP="true"


            get_cn_system_dir() {

            
                local config_file="$1"

            
                local cn_system_dir=""


                cn_system_dir=`sed '/^cn_system_dir=/!d;s/.*=//' ${CONFIGNODE_CONF}/${config_file} | tail -n 1`


                if [ -z "$cn_system_dir" ]; then

            
                    echo ""

            
                    return 0

            
                fi


                if [[ "$cn_system_dir" == /* ]]; then

            
                    echo "$cn_system_dir"

            
                else

            
                    echo "$CONFIGNODE_HOME/$cn_system_dir"

            
                fi

            
            }


            if [ -f "${CONFIGNODE_CONF}/iotdb-system.properties" ]; then

            
              	heap_dump_dir=$(get_cn_system_dir "iotdb-system.properties")

            
            else

            
              	heap_dump_dir=$(get_cn_system_dir "iotdb-confignode.properties")

            
            fi


            if [ -z "$heap_dump_dir" ]; then

            
              	heap_dump_dir="$CONFIGNODE_HOME/data/confignode/system"

            
            fi


            if [ ! -d "$heap_dump_dir" ]; then

            
              	mkdir -p "$heap_dump_dir"

            
            fi


            # find java in JAVA_HOME

            
            if [ -n "$JAVA_HOME" ]; then

            
                for java in "$JAVA_HOME"/bin/amd64/java "$JAVA_HOME"/bin/java; do

            
                    if [ -x "$java" ]; then

            
                        JAVA="$java"

            
                        break

            
                    fi

            
                done

            
            else

            
                JAVA=java

            
            fi


            if [ -z "$JAVA" ] ; then

            
                echo Unable to find java executable. Check JAVA_HOME and PATH environment variables.  > /dev/stderr

            
                exit 1;

            
            fi


            # Determine the sort of JVM we'll be running on.

            
            java_ver_output=`"$JAVA" -version 2>&1`

            
            jvmver=`echo "$java_ver_output" | grep '[openjdk|java] version' | awk -F'"' 'NR==1 {print $2}' | cut -d\- -f1`

            
            JVM_VERSION=${jvmver%_*}

            
            version_arr=(${JVM_VERSION//./ })

            
            if [ "${version_arr[0]}" = "1" ] ; then

            
                MAJOR_VERSION=${version_arr[1]}

            
            else

            
                MAJOR_VERSION=${version_arr[0]}

            
            fi


            if [ "$MAJOR_VERSION" -lt 17 ] ; then

            
                echo "IoTDB requires Java 17 or later."

            
                exit 1;

            
            fi


            illegal_access_params=""

            
            #GC log path has to be defined here because it needs to access CONFIGNODE_HOME

            
            # See description of https://bugs.openjdk.java.net/browse/JDK-8046148 for details about the syntax

            
            # The following is the equivalent to -XX:+PrintGCDetails -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=10M

            
            echo "$CONFIGNODE_JMX_OPTS" | grep -q "^-[X]log:gc"

            
            if [ "$?" = "1" ] ; then # [X] to prevent ccm from replacing this line

            
                # only add -Xlog:gc if it's not mentioned in jvm-server.options file

            
                mkdir -p ${CONFIGNODE_HOME}/logs

            
                if [ "$#" -ge "1" -a "$1" == "printgc" ]; then

            
                    CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xlog:gc=info,heap*=info,age*=info,safepoint=info,promotion*=info:file=${CONFIGNODE_HOME}/logs/gc.log:time,uptime,pid,tid,level:filecount=10,filesize=10485760"

            
                fi

            
            fi

            
            # Add argLine for Java 17 and above, due to [JEP 396: Strongly Encapsulate JDK Internals by Default] (https://openjdk.java.net/jeps/396)

            
            illegal_access_params="$illegal_access_params --add-opens=java.base/java.util.concurrent=ALL-UNNAMED"

            
            illegal_access_params="$illegal_access_params --add-opens=java.base/java.lang=ALL-UNNAMED"

            
            illegal_access_params="$illegal_access_params --add-opens=java.base/java.util=ALL-UNNAMED"

            
            illegal_access_params="$illegal_access_params --add-opens=java.base/java.nio=ALL-UNNAMED"

            
            illegal_access_params="$illegal_access_params --add-opens=java.base/java.io=ALL-UNNAMED"

            
            illegal_access_params="$illegal_access_params --add-opens=java.base/java.net=ALL-UNNAMED"


            # ConfigNode: suggest 30% of system memory (3/10), cap at 8 GB.

            
            calculate_memory_sizes 3 10 8192


            # on heap memory size

            
            #ON_HEAP_MEMORY="2G"

            
            # off heap memory size

            
            #OFF_HEAP_MEMORY="512M"


            # configure JVM memory with setting environment variable of CONFIGNODE_JMX_OPTS

            
            if [[ "$CONFIGNODE_JMX_OPTS" =~ -Xmx ]];then

            
                item_arr=(${CONFIGNODE_JMX_OPTS})

            
                for item in ${item_arr[@]};do

            
                    if [[ -n "$item" ]]; then

            
                        if [[ "$item" =~ -Xmx ]]; then

            
                            ON_HEAP_MEMORY=${item#*mx}

            
                        elif [[ "$item" =~ -XX:MaxDirectMemorySize= ]]; then

            
                            OFF_HEAP_MEMORY=${item#*=}

            
                        fi

            
                    fi

            
                done

            
            fi


            if [ "${OFF_HEAP_MEMORY%"G"}" != "$OFF_HEAP_MEMORY" ]

            
            then

            
                off_heap_memory_size_in_mb=`expr ${OFF_HEAP_MEMORY%"G"} "*" 1024`

            
            else

            
                off_heap_memory_size_in_mb=`expr ${OFF_HEAP_MEMORY%"M"}`

            
            fi


            # threads number of io

            
            IO_THREADS_NUMBER="100"

            
            # Max cached buffer size, Note: unit can only be B!

            
            # which equals OFF_HEAP_MEMORY / IO_THREADS_NUMBER

            
            MAX_CACHED_BUFFER_SIZE=`expr $off_heap_memory_size_in_mb \* 1024 \* 1024 / $IO_THREADS_NUMBER`


            #true or false

            
            #DO NOT FORGET TO MODIFY THE PASSWORD FOR SECURITY (${CONFIGNODE_CONF}/jmx.password and ${CONFIGNODE_CONF}/jmx.access)

            
            #If you want to connect JMX Service by network in local machine, such as nodeTool.sh will try to connect 127.0.0.1:31999, please set JMX_LOCAL to false.

            
            JMX_LOCAL="true"


            JMX_PORT="32000"

            
            #only take effect when the jmx_local=false

            
            #You need to change this IP as a public IP if you want to remotely connect IoTDB ConfigNode by JMX.

            
            # 0.0.0.0 is not allowed

            
            JMX_IP="127.0.0.1"


            if [ ${JMX_LOCAL} = "false" ]; then

            
              echo "setting remote JMX..."

            
              #you may have no permission to run chmod. If so, contact your system administrator.

            
              chmod 600 ${CONFIGNODE_CONF}/jmx.password

            
              chmod 600 ${CONFIGNODE_CONF}/jmx.access

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.port=$JMX_PORT"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.rmi.port=$JMX_PORT"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djava.rmi.server.randomIDs=true"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.ssl=false"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.authenticate=true"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.password.file=${CONFIGNODE_CONF}/jmx.password"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.access.file=${CONFIGNODE_CONF}/jmx.access"

            
              CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djava.rmi.server.hostname=$JMX_IP"

            
            else

            
              echo "setting local JMX..."

            
            fi


            CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Diotdb.jmx.local=$JMX_LOCAL"

            
            if [[ ! "$CONFIGNODE_JMX_OPTS" =~ -Xms ]]; then CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xms${ON_HEAP_MEMORY}"; fi

            
            if [[ ! "$CONFIGNODE_JMX_OPTS" =~ -Xmx ]]; then CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xmx${ON_HEAP_MEMORY}"; fi

            
            if [[ ! "$CONFIGNODE_JMX_OPTS" =~ -XX:MaxDirectMemorySize ]]; then CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:MaxDirectMemorySize=${OFF_HEAP_MEMORY}"; fi

            
            CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djdk.nio.maxCachedBufferSize=${MAX_CACHED_BUFFER_SIZE}"

            
            CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:+CrashOnOutOfMemoryError"

            
            CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dsun.jnu.encoding=UTF-8 -Dfile.encoding=UTF-8"


            # Append tsfile locale option populated by Maven at package time

            
            # (see conf/iotdb-common.sh; empty in default build, "-Dtsfile.locale=zh" under with-zh-locale).

            
            if [ -n "$TSFILE_LOCALE_JVM_OPT" ]; then

            
                CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS $TSFILE_LOCALE_JVM_OPT"

            
            fi


            # if you want to dump the heap memory while OOM happening, you can use the following command, remember to replace ${heap_dump_dir}/confignode_heapdump.hprof with your own file path and the folder where this file is located needs to be created in advance

            
            #CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${heap_dump_dir}/confignode_heapdump.hprof"


            echo "ConfigNode on heap memory size = ${ON_HEAP_MEMORY}B, off heap memory size = ${OFF_HEAP_MEMORY}B"

            
            echo "If you want to change this configuration, please check conf/confignode-env.sh."
	#!/bin/bash
	#
	# 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.
	#

	# You can set ConfigNode memory size, example '2G' or '2048M'
	# If the MEMORY_SIZE environment variable is already set, its value will be used.
	MEMORY_SIZE=${MEMORY_SIZE:-}

	# You can put your env variable here
	# export JAVA_HOME=$JAVA_HOME

	# Set max number of open files
	max_num=$(ulimit -n)
	if [ $max_num -le 65535 ]; then
	ulimit -n 65535
	if [ $? -ne 0 ]; then
	echo "Warning: Failed to set max number of files to be 65535, maybe you need to use 'sudo ulimit -n 65535' to set it when you use iotdb ConfigNode in production environments."
	fi
	fi

	# Set somaxconn to a better value to avoid meaningless connection reset issues when the system is under high load.
	# The original somaxconn will be set back when the system reboots.
	# For more detail, see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19f92a030ca6d772ab44b22ee6a01378a8cb32d4
	SOMAXCONN=65535
	case "$(uname)" in
	Linux)
	somaxconn=$(sysctl -n net.core.somaxconn)
	if [ "$somaxconn" -lt $SOMAXCONN ]; then
	echo "WARN:"
	echo "WARN: the value of net.core.somaxconn (=$somaxconn) is too small, please set it to a larger value using the following command."
	echo "WARN: sudo sysctl -w net.core.somaxconn=$SOMAXCONN"
	echo "WARN: The original net.core.somaxconn value will be set back when the os reboots."
	echo "WARN:"
	fi
	;;
	FreeBSD \| Darwin)
	somaxconn=$(sysctl -n kern.ipc.somaxconn)
	if [ "$somaxconn" -lt $SOMAXCONN ]; then
	echo "WARN:"
	echo "WARN: the value of kern.ipc.somaxconn (=$somaxconn) is too small, please set it to a larger value using the following command."
	echo "WARN: sudo sysctl -w kern.ipc.somaxconn=$SOMAXCONN"
	echo "WARN: The original kern.ipc.somaxconn value will be set back when the os reboots."
	echo "WARN:"
	fi
	;;
	esac

	# whether we allow enable heap dump files
	IOTDB_ALLOW_HEAP_DUMP="true"

	get_cn_system_dir() {
	local config_file="$1"
	local cn_system_dir=""

	cn_system_dir=`sed '/^cn_system_dir=/!d;s/.*=//' ${CONFIGNODE_CONF}/${config_file} \| tail -n 1`

	if [ -z "$cn_system_dir" ]; then
	echo ""
	return 0
	fi

	if [[ "$cn_system_dir" == /* ]]; then
	echo "$cn_system_dir"
	else
	echo "$CONFIGNODE_HOME/$cn_system_dir"
	fi
	}

	if [ -f "${CONFIGNODE_CONF}/iotdb-system.properties" ]; then
	heap_dump_dir=$(get_cn_system_dir "iotdb-system.properties")
	else
	heap_dump_dir=$(get_cn_system_dir "iotdb-confignode.properties")
	fi

	if [ -z "$heap_dump_dir" ]; then
	heap_dump_dir="$CONFIGNODE_HOME/data/confignode/system"
	fi

	if [ ! -d "$heap_dump_dir" ]; then
	mkdir -p "$heap_dump_dir"
	fi

	# find java in JAVA_HOME
	if [ -n "$JAVA_HOME" ]; then
	for java in "$JAVA_HOME"/bin/amd64/java "$JAVA_HOME"/bin/java; do
	if [ -x "$java" ]; then
	JAVA="$java"
	break
	fi
	done
	else
	JAVA=java
	fi

	if [ -z "$JAVA" ] ; then
	echo Unable to find java executable. Check JAVA_HOME and PATH environment variables. > /dev/stderr
	exit 1;
	fi

	# Determine the sort of JVM we'll be running on.
	java_ver_output=`"$JAVA" -version 2>&1`
	jvmver=`echo "$java_ver_output" \| grep '[openjdk\|java] version' \| awk -F'"' 'NR==1 {print $2}' \| cut -d\- -f1`
	JVM_VERSION=${jvmver%_*}
	version_arr=(${JVM_VERSION//./ })
	if [ "${version_arr[0]}" = "1" ] ; then
	MAJOR_VERSION=${version_arr[1]}
	else
	MAJOR_VERSION=${version_arr[0]}
	fi

	if [ "$MAJOR_VERSION" -lt 17 ] ; then
	echo "IoTDB requires Java 17 or later."
	exit 1;
	fi

	illegal_access_params=""
	#GC log path has to be defined here because it needs to access CONFIGNODE_HOME
	# See description of https://bugs.openjdk.java.net/browse/JDK-8046148 for details about the syntax
	# The following is the equivalent to -XX:+PrintGCDetails -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=10M
	echo "$CONFIGNODE_JMX_OPTS" \| grep -q "^-[X]log:gc"
	if [ "$?" = "1" ] ; then # [X] to prevent ccm from replacing this line
	# only add -Xlog:gc if it's not mentioned in jvm-server.options file
	mkdir -p ${CONFIGNODE_HOME}/logs
	if [ "$#" -ge "1" -a "$1" == "printgc" ]; then
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xlog:gc=info,heap=info,age=info,safepoint=info,promotion*=info:file=${CONFIGNODE_HOME}/logs/gc.log:time,uptime,pid,tid,level:filecount=10,filesize=10485760"
	fi
	fi
	# Add argLine for Java 17 and above, due to [JEP 396: Strongly Encapsulate JDK Internals by Default] (https://openjdk.java.net/jeps/396)
	illegal_access_params="$illegal_access_params --add-opens=java.base/java.util.concurrent=ALL-UNNAMED"
	illegal_access_params="$illegal_access_params --add-opens=java.base/java.lang=ALL-UNNAMED"
	illegal_access_params="$illegal_access_params --add-opens=java.base/java.util=ALL-UNNAMED"
	illegal_access_params="$illegal_access_params --add-opens=java.base/java.nio=ALL-UNNAMED"
	illegal_access_params="$illegal_access_params --add-opens=java.base/java.io=ALL-UNNAMED"
	illegal_access_params="$illegal_access_params --add-opens=java.base/java.net=ALL-UNNAMED"


	# ConfigNode: suggest 30% of system memory (3/10), cap at 8 GB.
	calculate_memory_sizes 3 10 8192

	# on heap memory size
	#ON_HEAP_MEMORY="2G"
	# off heap memory size
	#OFF_HEAP_MEMORY="512M"

	# configure JVM memory with setting environment variable of CONFIGNODE_JMX_OPTS
	if [[ "$CONFIGNODE_JMX_OPTS" =~ -Xmx ]];then
	item_arr=(${CONFIGNODE_JMX_OPTS})
	for item in ${item_arr[@]};do
	if [[ -n "$item" ]]; then
	if [[ "$item" =~ -Xmx ]]; then
	ON_HEAP_MEMORY=${item#*mx}
	elif [[ "$item" =~ -XX:MaxDirectMemorySize= ]]; then
	OFF_HEAP_MEMORY=${item#*=}
	fi
	fi
	done
	fi


	if [ "${OFF_HEAP_MEMORY%"G"}" != "$OFF_HEAP_MEMORY" ]
	then
	off_heap_memory_size_in_mb=`expr ${OFF_HEAP_MEMORY%"G"} "*" 1024`
	else
	off_heap_memory_size_in_mb=`expr ${OFF_HEAP_MEMORY%"M"}`
	fi

	# threads number of io
	IO_THREADS_NUMBER="100"
	# Max cached buffer size, Note: unit can only be B!
	# which equals OFF_HEAP_MEMORY / IO_THREADS_NUMBER
	MAX_CACHED_BUFFER_SIZE=`expr $off_heap_memory_size_in_mb \* 1024 \* 1024 / $IO_THREADS_NUMBER`

	#true or false
	#DO NOT FORGET TO MODIFY THE PASSWORD FOR SECURITY (${CONFIGNODE_CONF}/jmx.password and ${CONFIGNODE_CONF}/jmx.access)
	#If you want to connect JMX Service by network in local machine, such as nodeTool.sh will try to connect 127.0.0.1:31999, please set JMX_LOCAL to false.
	JMX_LOCAL="true"

	JMX_PORT="32000"
	#only take effect when the jmx_local=false
	#You need to change this IP as a public IP if you want to remotely connect IoTDB ConfigNode by JMX.
	# 0.0.0.0 is not allowed
	JMX_IP="127.0.0.1"

	if [ ${JMX_LOCAL} = "false" ]; then
	echo "setting remote JMX..."
	#you may have no permission to run chmod. If so, contact your system administrator.
	chmod 600 ${CONFIGNODE_CONF}/jmx.password
	chmod 600 ${CONFIGNODE_CONF}/jmx.access
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.port=$JMX_PORT"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.rmi.port=$JMX_PORT"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djava.rmi.server.randomIDs=true"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.ssl=false"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.authenticate=true"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.password.file=${CONFIGNODE_CONF}/jmx.password"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dcom.sun.management.jmxremote.access.file=${CONFIGNODE_CONF}/jmx.access"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djava.rmi.server.hostname=$JMX_IP"
	else
	echo "setting local JMX..."
	fi

	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Diotdb.jmx.local=$JMX_LOCAL"
	if [[ ! "$CONFIGNODE_JMX_OPTS" =~ -Xms ]]; then CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xms${ON_HEAP_MEMORY}"; fi
	if [[ ! "$CONFIGNODE_JMX_OPTS" =~ -Xmx ]]; then CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Xmx${ON_HEAP_MEMORY}"; fi
	if [[ ! "$CONFIGNODE_JMX_OPTS" =~ -XX:MaxDirectMemorySize ]]; then CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:MaxDirectMemorySize=${OFF_HEAP_MEMORY}"; fi
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Djdk.nio.maxCachedBufferSize=${MAX_CACHED_BUFFER_SIZE}"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:+CrashOnOutOfMemoryError"
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -Dsun.jnu.encoding=UTF-8 -Dfile.encoding=UTF-8"

	# Append tsfile locale option populated by Maven at package time
	# (see conf/iotdb-common.sh; empty in default build, "-Dtsfile.locale=zh" under with-zh-locale).
	if [ -n "$TSFILE_LOCALE_JVM_OPT" ]; then
	CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS $TSFILE_LOCALE_JVM_OPT"
	fi

	# if you want to dump the heap memory while OOM happening, you can use the following command, remember to replace ${heap_dump_dir}/confignode_heapdump.hprof with your own file path and the folder where this file is located needs to be created in advance
	#CONFIGNODE_JMX_OPTS="$CONFIGNODE_JMX_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=${heap_dump_dir}/confignode_heapdump.hprof"

	echo "ConfigNode on heap memory size = ${ON_HEAP_MEMORY}B, off heap memory size = ${OFF_HEAP_MEMORY}B"
	echo "If you want to change this configuration, please check conf/confignode-env.sh."