Tez

# Tez specific configuration

export TEZ_CONF_DIR={{config_dir}}

​

{% if java_version == 8 %}

# Java 8 JVM options

export tez.am.launch.cmd-opts="-XX:+PrintGCDetails -verbose:gc -XX:+PrintGCTimeStamps -XX:+UseNUMA -XX:+UseG1GC -XX:+ResizeTLAB{{heap_dump_opts}}"

export tez.task.launch.cmd-opts="-XX:+PrintGCDetails -verbose:gc -XX:+PrintGCTimeStamps -XX:+UseNUMA -XX:+UseG1GC -XX:+ResizeTLAB{{heap_dump_opts}}"

{% elif java_version == 11 %}

export tez.am.launch.cmd-opts="-Xlog:gc*:file={{gc_log_path}}/tez_am_gc.log:time,uptime,level,tags:filecount=10,filesize=10M -XX:+UseNUMA -XX:+UseG1GC -XX:+ResizeTLAB{{heap_dump_opts}}"

export tez.task.launch.cmd-opts="-Xlog:gc*:file={{gc_log_path}}/tez_task_gc.log:time,uptime,level,tags:filecount=10,filesize=10M -XX:+UseNUMA -XX:+UseG1GC -XX:+ResizeTLAB{{heap_dump_opts}}"

{% else %}

# For Java 11+

export tez.am.launch.cmd-opts="-Xlog:gc*:file={{gc_log_path}}/tez_am_gc.log:time,uptime,level,tags:filecount=10,filesize=10M -XX:+UseNUMA -XX:+UseG1GC -XX:+ResizeTLAB{{heap_dump_opts}} {{jvm_flags}}"

export tez.task.launch.cmd-opts="-Xlog:gc*:file={{gc_log_path}}/tez_task_gc.log:time,uptime,level,tags:filecount=10,filesize=10M -XX:+UseNUMA -XX:+UseG1GC -XX:+ResizeTLAB{{heap_dump_opts}} {{jvm_flags}}"

{% endif %}

​

# Set HADOOP_HOME to point to a specific hadoop install directory

export HADOOP_HOME=${HADOOP_HOME:-{{hadoop_home}}}

​

# The java implementation to use.

export JAVA_HOME={{java64_home}}

-server -Djava.net.preferIPv4Stack=true -Dodp.version=${odp.version}{% if java_version|int > 11 %} {{jvm_flags}}{% endif %}

--add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.nio=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED