hadoop，zookeeper，hbase安装需要修改的配置

#在文件最后添加
export JAVA_HOME=/home/software/jdk1.7
export PATH=$PATH:$JAVA_HOME/bin
#刷新配置
source /etc/profile

export JAVA_HOME=/home/software/jdk1.7

<configuration>
    <!-- 指定HDFS老大（namenode）的通信地址 -->
<property>
    <name>fs.defaultFS</name>
    <value>hdfs://locahost:9000</value>
</property>
    <!-- 指定hadoop运行时产生文件的存储路径 -->
<property>
        <name>hadoop.tmp.dir</name>
        <value>/cloud/hadoop/tmp</value>
</property>
</configuration>

<!-- 设置hdfs副本数量 -->
<property>
    <name>dfs.replication</name>
    <value>1</value>
</property>

<configuration>
<!-- 通知框架MR使用YARN -->
<property>
    <name>mapreduce.framework.name</name>
    <value>yarn</value>
</property>
</configuration>

<configuration>
<!-- reducer取数据的方式是mapreduce_shuffle -->
<property>
    <name>yarn.nodemanager.aux-services</name>
    <value>mapreduce_shuffle</value>
</property>
<property>
    <name>yarn.resourcemanager.hostname</name>
    <value>localhost</value>
</property>
</configuration>

source /etc/profile
start-all.sh
或者：
先启动HDFS
sbin/start-dfs.sh
再启动YARN
sbin/start-yarn.sh

hdfs管理界面：http://localhost:50070  
MR的管理界面：http://localhost:8088

tickTime=2000   //客户端与服务器的心跳时间
dataDir=/usr/myapp/zookeeper-3.4.5/data
dataLogDir=/usr/myapp/zookeeper-3.4.5/logs
clientPort=2181
initLimit=5
syncLimit=2
server.1=dev-hadoop4:2888:3888
server.2=dev-hadoop5:2888:3888
server.3=dev-hadoop6:2888:3888

./zkServer.sh start
./zkServer.sh stop
./zkServer.sh restart
./zkServer.sh status

<configuration>
  ...
  <property>
    <name>hbase.rootdir</name>
    <value>hdfs://namenode.example.org:9000/hbase</value>
    <description>The directory shared by RegionServers.
    </description>
  </property>
  <property>
    <name>hbase.cluster.distributed</name>
    <value>true</value>
    <description>The mode the cluster will be in. Possible values are
      false: standalone and pseudo-distributed setups with managed Zookeeper
      true: fully-distributed with unmanaged Zookeeper Quorum (see hbase-env.sh)
    </description>
  </property>
  ...
</configuration>

dev-hadoop4
dev-hadoop5
dev-hadoop6

启动HBase集群：
bin/start-hbase.sh
单独启动一个HMaster进程：
bin/hbase-daemon.sh start master
单独停止一个HMaster进程：
bin/hbase-daemon.sh stop master
单独启动一个HRegionServer进程：
bin/hbase-daemon.sh start regionserver
单独停止一个HRegionServer进程：
bin/hbase-daemon.sh stop regionserver

cluster.name: elasticsearch_production  //集群名字
node.name: elasticsearch_005_data    //节点名字
path.data: /path/to/data1,/path/to/data2   //数据存放位置
path.logs: /path/to/logs               //插件存放位置
path.plugins: /path/to/plugins      //日志存放位置
discovery.zen.minimum_master_nodes: 2   //最小主节点数，可防止脑裂，默认为集群机器数/2 + 1
gateway.recover_after_nodes: 8  //集群恢复方面的配置，包括下面两个参数
gateway.expected_nodes: 10
gateway.recover_after_time: 5m
discovery.zen.ping.unicast.hosts: ["host1", "host2:port"]   //最好使用单播代替组播

./bin/elasticsearch