HBase

# Set environment variables here.

      # The java implementation to use. Java 1.6 required.

      export JAVA_HOME={{java64_home}}

      # HBase Configuration directory

      export HBASE_CONF_DIR=${HBASE_CONF_DIR:-{{hbase_conf_dir}}}

      # Extra Java CLASSPATH elements. Optional.

      export HBASE_CLASSPATH=${HBASE_CLASSPATH}

      # The maximum amount of heap to use, in MB. Default is 1000.

      # export HBASE_HEAPSIZE=1000

        {% if java_version == 8 %}

        # For Java version  8

        export SERVER_GC_OPTS="-verbose:gc -XX:-PrintGCCause -XX:+PrintAdaptiveSizePolicy -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:{{log_dir}}/gc.log-`date +'%Y%m%d%H%M'` -XX:+PrintHeapAtGC -XX:+PrintGCApplicationStoppedTime -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution"

        {% else %}

        # For Java 11 and above

        export SERVER_GC_OPTS="-Xlog:gc*,gc+heap=info,gc+age=debug:file={{log_dir}}/gc.log-`date +'%Y%m%d%H%M'`:time,uptime:filecount=10,filesize=200M -XX:+UseG1GC"

        {% endif %}

      # Extra Java runtime options.

      export HBASE_OPTS="-Xms1g -Xmx2g -XX:+UseG1GC -XX:MaxGCPauseMillis=100 -XX:-ResizePLAB -XX:ErrorFile={{log_dir}}/hs_err_pid%p.log -Djava.io.tmpdir={{java_io_tmpdir}}"

      export HBASE_MASTER_OPTS="-Xms1g -Xmx2g -XX:+UseG1GC"

      # Uncomment below to enable java garbage collection logging.

      # export HBASE_OPTS="$HBASE_OPTS -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:$HBASE_HOME/logs/gc-hbase.log"

      # Uncomment and adjust to enable JMX exporting

      # See jmxremote.password and jmxremote.access in $JRE_HOME/lib/management to configure remote password access.

      # More details at: http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html

      #

      # export HBASE_JMX_BASE="-Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false"

      # If you want to configure BucketCache, specify '-XX: MaxDirectMemorySize=' with proper direct memory size

      # export HBASE_THRIFT_OPTS="$HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10103"

      # export HBASE_ZOOKEEPER_OPTS="$HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10104"

      # File naming hosts on which HRegionServers will run. $HBASE_HOME/conf/regionservers by default.

      export HBASE_REGIONSERVERS=${HBASE_CONF_DIR}/regionservers

      # Extra ssh options. Empty by default.

      # export HBASE_SSH_OPTS="-o ConnectTimeout=1 -o SendEnv=HBASE_CONF_DIR"

      # Where log files are stored. $HBASE_HOME/logs by default.

      export HBASE_LOG_DIR={{log_dir}}

      # A string representing this instance of hbase. $USER by default.

      # export HBASE_IDENT_STRING=$USER

      # The scheduling priority for daemon processes. See 'man nice'.

      # export HBASE_NICENESS=10

      # The directory where pid files are stored. /tmp by default.

      export HBASE_PID_DIR={{pid_dir}}

      # Seconds to sleep between slave commands. Unset by default. This

      # can be useful in large clusters, where, e.g., slave rsyncs can

      # otherwise arrive faster than the master can service them.

      # export HBASE_SLAVE_SLEEP=0.1

      # Tell HBase whether it should manage its own instance of Zookeeper or not.

      export HBASE_MANAGES_ZK=false

      # JDK depended options

      JDK_DEPENDED_OPTS="-XX:ReservedCodeCacheSize=256m"

      # Set common JVM configuration

      export HBASE_OPTS="$HBASE_OPTS $JDK_DEPENDED_OPTS"

      export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS $JDK_DEPENDED_OPTS"

      export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS $JDK_DEPENDED_OPTS"

      export PHOENIX_QUERYSERVER_OPTS="$PHOENIX_QUERYSERVER_OPTS $JDK_DEPENDED_OPTS"

      # Add Kerberos authentication-related configuration

      {% if security_enabled %}

      export HBASE_OPTS="$HBASE_OPTS -Djava.security.auth.login.config={{client_jaas_config_file}} {{zk_security_opts}}"

      export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS -Djava.security.auth.login.config={{master_jaas_config_file}} -Djavax.security.auth.useSubjectCredsOnly=false"

      export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -Djava.security.auth.login.config={{regionserver_jaas_config_file}} -Djavax.security.auth.useSubjectCredsOnly=false"

      export PHOENIX_QUERYSERVER_OPTS="$PHOENIX_QUERYSERVER_OPTS -Djava.security.auth.login.config={{queryserver_jaas_config_file}}"

      {% endif %}

      # HBase off-heap MaxDirectMemorySize

      export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS {% if hbase_max_direct_memory_size %} -XX:MaxDirectMemorySize={{hbase_max_direct_memory_size}}m {% endif %}"

      export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS {% if hbase_max_direct_memory_size %} -XX:MaxDirectMemorySize={{hbase_max_direct_memory_size}}m {% endif %}"