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Support running Yarn with JDK 17 #305

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merged 1 commit into from
Dec 13, 2024
Merged

Support running Yarn with JDK 17 #305

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11 changes: 11 additions & 0 deletions bin/impl/install/hadoop.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -63,5 +63,16 @@ $SED "s#YARN_NM_CPU_VCORES#$YARN_NM_CPU_VCORES#g" "$hadoop_conf/yarn-site.xml"
} >> "$hadoop_conf/hadoop-env.sh"
[[ $HADOOP_VERSION =~ ^2\..*$ ]] && echo "export YARN_LOG_DIR=$HADOOP_LOG_DIR" >> "$hadoop_conf/yarn-env.sh"

# Yarn requires extra JVM args to start with Java 17+
jver=$("$JAVA_HOME"/bin/java -version 2>&1 | grep version | cut -f2 -d'"' | cut -f1 -d.)

if [[ $jver -gt 11 ]]; then
echo "Setting yarn JVM args for java $jver"
{
echo "export YARN_RESOURCEMANAGER_OPTS=\"--add-opens java.base/java.lang=ALL-UNNAMED\""
echo "export YARN_NODEMANAGER_OPTS=\"--add-opens java.base/java.lang=ALL-UNNAMED\""
} >> "$hadoop_conf/yarn-env.sh"
fi

true
# hadoop.sh
8 changes: 1 addition & 7 deletions bin/impl/run/hadoop.sh
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Expand Up @@ -27,13 +27,7 @@ trap 'echo "[ERROR] Error occurred at $BASH_SOURCE:$LINENO command: $BASH_COMMAN

"$HADOOP_HOME"/bin/hdfs namenode -format
"$HADOOP_HOME"/sbin/start-dfs.sh
# Yarn won't start on newer versions of Java
jver=$("$JAVA_HOME"/bin/java -version 2>&1 | grep version | cut -f2 -d'"' | cut -f1 -d.)
if [[ $jver -gt 11 ]]; then
echo "Skipping yarn because it doesn't start on Java $jver"
else
"$HADOOP_HOME"/sbin/start-yarn.sh
fi
"$HADOOP_HOME"/sbin/start-yarn.sh

namenode_port=9870
if [[ $HADOOP_VERSION =~ ^2\..*$ ]]; then
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