| # 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. |
| |
| # Set environment variables here. |
| |
| # This script sets variables multiple times over the course of starting an hbase process, |
| # so try to keep things idempotent unless you want to take an even deeper look |
| # into the startup scripts (bin/hbase, etc.) |
| |
| # The java implementation to use. Java 1.6 required. |
| # export JAVA_HOME=/usr/java/jdk1.6.0/ |
| |
| # Extra Java CLASSPATH elements. Optional. |
| # export HBASE_CLASSPATH= |
| |
| # The maximum amount of heap to use, in MB. Default is 1000. |
| # export HBASE_HEAPSIZE=1000 |
| |
| # Extra Java runtime options. |
| # Below are what we set by default. May only work with SUN JVM. |
| # For more on why as well as other possible settings, |
| # see http://wiki.apache.org/hadoop/PerformanceTuning |
| export HBASE_OPTS="-XX:+UseConcMarkSweepGC" |
| |
| # Uncomment below to enable java garbage collection logging for the server-side processes |
| # this enables basic gc logging for the server processes to the .out file |
| # export SERVER_GC_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps $HBASE_GC_OPTS" |
| |
| # this enables gc logging using automatic GC log rolling. Only applies to jdk 1.6.0_34+ and 1.7.0_2+. Either use this set of options or the one above |
| # export SERVER_GC_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=1 -XX:GCLogFileSize=512M $HBASE_GC_OPTS" |
| |
| # Uncomment below to enable java garbage collection logging for the client processes in the .out file. |
| # export CLIENT_GC_OPTS="-verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps $HBASE_GC_OPTS" |
| |
| # Uncomment below (along with above GC logging) to put GC information in its own logfile (will set HBASE_GC_OPTS). |
| # This applies to both the server and client GC options above |
| # export HBASE_USE_GC_LOGFILE=true |
| |
| |
| # Uncomment below if you intend to use the EXPERIMENTAL off heap cache. |
| # export HBASE_OPTS="$HBASE_OPTS -XX:MaxDirectMemorySize=" |
| # Set hbase.offheapcache.percentage in hbase-site.xml to a nonzero value. |
| |
| |
| # Uncomment and adjust to enable JMX exporting |
| # See jmxremote.password and jmxremote.access in $JRE_HOME/lib/management to configure remote password access. |
| # More details at: http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html |
| # |
| # export HBASE_JMX_BASE="-Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false" |
| # export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10101" |
| # export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10102" |
| # export HBASE_THRIFT_OPTS="$HBASE_THRIFT_OPTS $HBASE_JMX_BASE -Dcom.sun.management.jmxremote.port=10103" |
| # export HBASE_ZOOKEEPER_OPTS="$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_HOME}/conf/regionservers |
| |
| # File naming hosts on which backup HMaster will run. $HBASE_HOME/conf/backup-masters by default. |
| # export HBASE_BACKUP_MASTERS=${HBASE_HOME}/conf/backup-masters |
| |
| # Extra ssh options. Empty by default. |
| # export HBASE_SSH_OPTS="-o ConnectTimeout=1 -o SendEnv=HBASE_CONF_DIR" |
| |
| # Where log files are stored. $HBASE_HOME/logs by default. |
| # export HBASE_LOG_DIR=${HBASE_HOME}/logs |
| |
| # Enable remote JDWP debugging of major HBase processes. Meant for Core Developers |
| # export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8070" |
| # export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8071" |
| # export HBASE_THRIFT_OPTS="$HBASE_THRIFT_OPTS -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8072" |
| # export HBASE_ZOOKEEPER_OPTS="$HBASE_ZOOKEEPER_OPTS -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8073" |
| |
| # 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=/var/hadoop/pids |
| |
| # 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 it's own instance of Zookeeper or not. |
| # export HBASE_MANAGES_ZK=true |