YARN-env
Update the Java 11 flags as mentioned below.
Update 1
Update the YARN Java 11 flags as shown below.
File location: Log into the Ambari UI and navigate to YARN → Configs → Advanced→ Advanced yarn-hbase-env → hbase-env template.
export SERVER_GC_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:{{yarn_hbase_log_dir}}/gc.log-`date +'%Y%m%d%H%M'`"Replace it with the updated code block below.
{% if java_version == 8 %} # For Java 8 export SERVER_GC_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:{{yarn_hbase_log_dir}}/gc.log-`date +'%Y%m%d%H%M'`" {% else %} # For Java 11 and above export SERVER_GC_OPTS="-Xlog:gc*,gc+heap=debug,gc+phases=debug:file={{yarn_hbase_log_dir}}/gc.log-`date +'%Y%m%d%H%M'`:time,level,tags" {% endif %}Update 2
Update the Java 11 flags as shown below.
- File Location: Log into the Ambari UI and navigate to YARN → Configs → Advanced → Advanced yarn-hbase-env → hbase-env template.
export HBASE_OPTS="$HBASE_OPTS -XX:+UseConcMarkSweepGC -XX:ErrorFile=$HBASE_LOG_DIR/hs_err_pid%p.log -Djava.io.tmpdir={{yarn_hbase_java_io_tmpdir}}"export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS -Xmx{{yarn_hbase_master_heapsize}} $JDK_DEPENDED_OPTS"export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -XX:CMSInitiatingOccupancyFraction=70 -XX:ReservedCodeCacheSize=256m -Xms{{yarn_hbase_regionserver_heapsize}} -Xmx{{yarn_hbase_regionserver_heapsize}} $JDK_DEPENDED_OPTS"Replace it with the updated code block below.
{% if java_version == 8 %} # For Java 8 export HBASE_OPTS="$HBASE_OPTS -XX:+UseConcMarkSweepGC -XX:ErrorFile=$HBASE_LOG_DIR/hs_err_pid%p.log -Djava.io.tmpdir={{yarn_hbase_java_io_tmpdir}}" export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -XX:CMSInitiatingOccupancyFraction=70 -XX:ReservedCodeCacheSize=256m -Xms{{yarn_hbase_regionserver_heapsize}} -Xmx{{yarn_hbase_regionserver_heapsize}} $JDK_DEPENDED_OPTS" {% else %} # For Java 11 and above export HBASE_OPTS="$HBASE_OPTS -XX:+UseG1GC -XX:ErrorFile=$HBASE_LOG_DIR/hs_err_pid%p.log -Djava.io.tmpdir={{yarn_hbase_java_io_tmpdir}}" export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -XX:InitiatingHeapOccupancyPercent=70 -XX:ReservedCodeCacheSize=256m -Xms{{yarn_hbase_regionserver_heapsize}} -Xmx{{yarn_hbase_regionserver_heapsize}} $JDK_DEPENDED_OPTS" {% endif %} export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS -Xmx{{yarn_hbase_master_heapsize}} $JDK_DEPENDED_OPTS"Update 3
Remove the following from yarn configurations:
spark_shufflefromyarn.nodemanager.aux-services
Update 4
Remove the following from Custom yarn-site:
yarn.nodemanager.aux-services.spark2_shuffle.classyarn.nodemanager.aux-services.spark2_shuffle.classpathyarn.nodemanager.aux-services.spark_shuffle.classpathyarn.nodemanager.aux-services.spark_shuffle.class
Remove all these configurations and save it.
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