hbase/bin/hbase-config.sh

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#
#/**
# * Copyright 2007 The Apache Software Foundation
# *
# * 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.
# */
# included in all the hbase scripts with source command
# should not be executable directly
# also should not be passed any arguments, since we need original $*
# Modelled after $HADOOP_HOME/bin/hadoop-env.sh.
# resolve links - "${BASH_SOURCE-$0}" may be a softlink
this="${BASH_SOURCE-$0}"
while [ -h "$this" ]; do
ls=`ls -ld "$this"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '.*/.*' > /dev/null; then
this="$link"
else
this=`dirname "$this"`/"$link"
fi
done
# convert relative path to absolute path
bin=`dirname "$this"`
script=`basename "$this"`
bin=`cd "$bin">/dev/null; pwd`
this="$bin/$script"
# the root of the hbase installation
if [ -z "$HBASE_HOME" ]; then
export HBASE_HOME=`dirname "$this"`/..
fi
#check to see if the conf dir or hbase home are given as an optional arguments
while [ $# -gt 1 ]
do
if [ "--config" = "$1" ]
then
shift
confdir=$1
shift
HBASE_CONF_DIR=$confdir
elif [ "--hosts" = "$1" ]
then
shift
hosts=$1
shift
HBASE_REGIONSERVERS=$hosts
else
# Presume we are at end of options and break
break
fi
done
# Allow alternate hbase conf dir location.
HBASE_CONF_DIR="${HBASE_CONF_DIR:-$HBASE_HOME/conf}"
# List of hbase regions servers.
HBASE_REGIONSERVERS="${HBASE_REGIONSERVERS:-$HBASE_CONF_DIR/regionservers}"
# List of hbase secondary masters.
HBASE_BACKUP_MASTERS="${HBASE_BACKUP_MASTERS:-$HBASE_CONF_DIR/backup-masters}"
# Thrift JMX opts
if [[ -n "$HBASE_JMX_OPTS" && -z "$HBASE_THRIFT_JMX_OPTS" ]]; then
HBASE_THRIFT_JMX_OPTS="$HBASE_JMX_OPTS -Dcom.sun.management.jmxremote.port=10103"
fi
# Thrift opts
if [ -z "$HBASE_THRIFT_OPTS" ]; then
export HBASE_THRIFT_OPTS="$HBASE_THRIFT_JMX_OPTS"
fi
# REST JMX opts
if [[ -n "$HBASE_JMX_OPTS" && -z "$HBASE_REST_JMX_OPTS" ]]; then
HBASE_REST_JMX_OPTS="$HBASE_JMX_OPTS -Dcom.sun.management.jmxremote.port=10105"
fi
# REST opts
if [ -z "$HBASE_REST_OPTS" ]; then
export HBASE_REST_OPTS="$HBASE_REST_JMX_OPTS"
fi
# Source the hbase-env.sh. Will have JAVA_HOME defined.
# HBASE-7817 - Source the hbase-env.sh only if it has not already been done. HBASE_ENV_INIT keeps track of it.
if [ -z "$HBASE_ENV_INIT" ] && [ -f "${HBASE_CONF_DIR}/hbase-env.sh" ]; then
. "${HBASE_CONF_DIR}/hbase-env.sh"
export HBASE_ENV_INIT="true"
fi
# Set default value for regionserver uid if not present
if [ -z "$HBASE_REGIONSERVER_UID" ]; then
HBASE_REGIONSERVER_UID="hbase"
fi
# Verify if hbase has the mlock agent
if [ "$HBASE_REGIONSERVER_MLOCK" = "true" ]; then
MLOCK_AGENT="$HBASE_HOME/native/libmlockall_agent.so"
if [ ! -f "$MLOCK_AGENT" ]; then
cat 1>&2 <<EOF
Unable to find mlockall_agent, hbase must be compiled with -Pnative
EOF
exit 1
fi
HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -agentpath:$MLOCK_AGENT=user=$HBASE_REGIONSERVER_UID"
fi
# Newer versions of glibc use an arena memory allocator that causes virtual
# memory usage to explode. Tune the variable down to prevent vmem explosion.
export MALLOC_ARENA_MAX=${MALLOC_ARENA_MAX:-4}
# Now having JAVA_HOME defined is required
if [ -z "$JAVA_HOME" ]; then
cat 1>&2 <<EOF
+======================================================================+
| Error: JAVA_HOME is not set and Java could not be found |
+----------------------------------------------------------------------+
| Please download the latest Sun JDK from the Sun Java web site |
| > http://java.sun.com/javase/downloads/ < |
| |
| HBase requires Java 1.6 or later. |
| NOTE: This script will find Sun Java whether you install using the |
| binary or the RPM based installer. |
+======================================================================+
EOF
exit 1
fi