用户登录
用户注册

分享至

impala 安装部署

  • 作者: 神器一百九十毫米
  • 来源: 51数据库
  • 2020-10-03
一、Impala简介
Cloudera Impala对你存储在Apache Hadoop在HDFS,HBase的数据提供直接查询互动的SQL。除了像Hive使用相同的统一存储平台,Impala也使用相同的元数据,SQL语法(Hive SQL),ODBC驱动程序和用户界面(Hue Beeswax)。Impala还提供了一个熟悉的面向批量或实时查询和统一平台。
二、Impala安装
1.安装要求
(1)软件要求

Red Hat Enterprise Linux (RHEL)/CentOS 6.2 (64-bit)
CDH 4.1.0 or later
Hive
MySQL

(2)硬件要求
在Join查询过程中需要将数据集加载内存中进行计算,因此对安装Impalad的内存要求较高。
2、安装准备

(1)操作系统版本查看
>more/etc/issue
CentOSrelease 6.2 (Final)
Kernel \ron an \m
(2)机器准备
10.28.169.112mr5
10.28.169.113mr6
10.28.169.114mr7
10.28.169.115mr8

各机器安装角色
mr5:NameNode、ResourceManager、SecondaryNameNode、Hive、impala-state-store
mr6、mr7、mr8:DataNode、NodeManager、impalad
(3)用户准备
在各个机器上新建用户hadoop,并打通ssh
(4)软件准备
到cloudera官网下载:
Hadoop:
hadoop-2.0.0-cdh4.1.2.tar.gz
hive:
hive-0.9.0-cdh4.1.2.tar.gz
impala:
impala-0.3-1.p0.366.el6.x86_64.rpm
impala-debuginfo-0.3-1.p0.366.el6.x86_64.rpm
impala-server-0.3-1.p0.366.el6.x86_64.rpm
impala-shell-0.3-1.p0.366.el6.x86_64.rpm
impala依赖包下载:

4、hadoop-2.0.0-cdh4.1.2安装

(1)安装包准备
hadoop用户登录到mr5机器,将hadoop-2.0.0-cdh4.1.2.tar.gz上传到/home/hadoop/目录下并解压:
tar zxvf hadoop-2.0.0-cdh4.1.2.tar.gz
(2)配置环境变量
修改mr5机器hadoop用户主目录/home/hadoop/下的.bash_profile环境变量:
exportJAVA_HOME=/usr/jdk1.6.0_30
exportJAVA_BIN=${JAVA_HOME}/bin
exportCLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_OPTS="-Djava.library.path=/usr/local/lib-server -Xms1024m -Xmx2048m -XX:MaxPermSize=256m -Djava.awt.headless=true-Dsun.net.client.defaultReadTimeout=600
00-Djmagick.systemclassloader=no -Dnetworkaddress.cache.ttl=300-Dsun.net.inetaddr.ttl=300"
exportHADOOP_HOME=/home/hadoop/hadoop-2.0.0-cdh4.1.2
exportHADOOP_PREFIX=$HADOOP_HOME
exportHADOOP_MAPRED_HOME=${HADOOP_HOME}
exportHADOOP_COMMON_HOME=${HADOOP_HOME}
exportHADOOP_HDFS_HOME=${HADOOP_HOME}
exportHADOOP_YARN_HOME=${HADOOP_HOME}
export PATH=$PATH:${JAVA_HOME}/bin:${HADOOP_HOME}/bin:${HADOOP_HOME}/sbin
exportJAVA_HOME JAVA_BIN PATH CLASSPATH JAVA_OPTS
exportHADOOP_LIB=${HADOOP_HOME}/lib
exportHADOOP_CONF_DIR=${HADOOP_HOME}/etc/hadoop
(3)修改配置文件
在机器mr5上hadoop用户登录修改hadoop的配置文件(配置文件目录:hadoop-2.0.0-cdh4.1.2/etc/hadoop)
(1)、slaves :
添加以下节点
mr6
mr7
mr8

(2)、hadoop-env.sh :
增加以下环境变量
exportJAVA_HOME=/usr/jdk1.6.0_30
exportHADOOP_HOME=/home/hadoop/hadoop-2.0.0-cdh4.1.2
exportHADOOP_PREFIX=${HADOOP_HOME}
export HADOOP_MAPRED_HOME=${HADOOP_HOME}
exportHADOOP_COMMON_HOME=${HADOOP_HOME}
exportHADOOP_HDFS_HOME=${HADOOP_HOME}
exportHADOOP_YARN_HOME=${HADOOP_HOME}
exportPATH=$PATH:${JAVA_HOME}/bin:${HADOOP_HOME}/bin:${HADOOP_HOME}/sbin
exportJAVA_HOME JAVA_BIN PATH CLASSPATH JAVA_OPTS
exportHADOOP_LIB=${HADOOP_HOME}/lib
exportHADOOP_CONF_DIR=${HADOOP_HOME}/etc/hadoop

(3)、core-site.xml :

fs.default.name
hdfs://mr5:9000
The name of the defaultfile system.Either the literal string "local" or a host:port forNDFS.
true

io.native.lib.available
true

hadoop.tmp.dir
/home/hadoop/tmp
A base for other temporarydirectories.

(4)、hdfs-site.xml :

dfs.namenode.name.dir
file:/home/hadoop/dfsdata/name
Determines where on thelocal filesystem the DFS name node should store the name table.If this is acomma-delimited list of directories,then name table is replicated in all of thedirectories,for redundancy.
true

dfs.datanode.data.dir
file:/home/hadoop/dfsdata/data
Determines where on thelocal filesystem an DFS data node should store its blocks.If this is acomma-delimited list of directories,then data will be stored in all nameddirectories,typically on different devices.Directories that do not exist areignored.

true

dfs.replication
3

dfs.permission
false

(5)、mapred-site.xml:

mapreduce.framework.name
yarn

mapreduce.job.tracker
hdfs://mr5:9001
true

mapreduce.task.io.sort.mb
512

mapreduce.task.io.sort.factor
100

mapreduce.reduce.shuffle.parallelcopies
50

mapreduce.cluster.temp.dir
file:/home/hadoop/mapreddata/system
true

mapreduce.cluster.local.dir
file:/home/hadoop/mapreddata/local
true

(6)、yarn-env.sh :
增加以下环境变量
exportJAVA_HOME=/usr/jdk1.6.0_30
exportHADOOP_HOME=/home/hadoop/hadoop-2.0.0-cdh4.1.2
exportHADOOP_PREFIX=${HADOOP_HOME}
exportHADOOP_MAPRED_HOME=${HADOOP_HOME}
exportHADOOP_COMMON_HOME=${HADOOP_HOME}
exportHADOOP_HDFS_HOME=${HADOOP_HOME}
exportHADOOP_YARN_HOME=${HADOOP_HOME}
exportPATH=$PATH:${JAVA_HOME}/bin:${HADOOP_HOME}/bin:${HADOOP_HOME}/sbin
exportJAVA_HOME JAVA_BIN PATH CLASSPATH JAVA_OPTS
exportHADOOP_LIB=${HADOOP_HOME}/lib
exportHADOOP_CONF_DIR=${HADOOP_HOME}/etc/hadoop

(7)、yarn-site.xml:

yarn.resourcemanager.address
mr5:8080

yarn.resourcemanager.scheduler.address
mr5:8081

yarn.resourcemanager.resource-tracker.address
mr5:8082

yarn.nodemanager.aux-services
mapreduce.shuffle

yarn.nodemanager.aux-services.mapreduce.shuffle.class
org.apache.hadoop.mapred.ShuffleHandler

yarn.nodemanager.local-dirs
file:/home/hadoop/nmdata/local
thelocal directories used by the nodemanager

yarn.nodemanager.log-dirs
file:/home/hadoop/nmdata/log
thedirectories used by Nodemanagers as log directories

(4)拷贝到其他节点
(1)、在mr5上配置完第2步和第3步后,压缩hadoop-2.0.0-cdh4.1.2
rm hadoop-2.0.0-cdh4.1.2.tar.gz
tar zcvf hadoop-2.0.0-cdh4.1.2.tar.gz hadoop-2.0.0-cdh4.1.2

然后将hadoop-2.0.0-cdh4.1.2.tar.gz远程拷贝到mr6、mr7、mr8机器上
scp/home/hadoop/hadoop-2.0.0-cdh4.1.2.tar.gz hadoop@mr6:/home/hadoop/
scp/home/hadoop/hadoop-2.0.0-cdh4.1.2.tar.gz hadoop@mr7:/home/hadoop/
scp/home/hadoop/hadoop-2.0.0-cdh4.1.2.tar.gz hadoop@mr8:/home/hadoop/

(2)、将mr5机器上hadoop用户的配置环境的文件.bash_profile远程拷贝到mr6、mr7、mr8机器上
scp/home/hadoop/.bash_profile hadoop@mr6:/home/hadoop/
scp/home/hadoop/.bash_profile hadoop@mr7:/home/hadoop/
scp/home/hadoop/.bash_profile hadoop@mr8:/home/hadoop/
拷贝完成后,在mr5、mr6、mr7、mr8机器的/home/hadoop/目录下执行
source.bash_profile
使得环境变量生效
(5)启动hdfs和yarn
以上步骤都执行完成后,用hadoop用户登录到mr5机器依次执行:
hdfsnamenode -format
start-dfs.sh
start-yarn.sh
通过jps命令查看:
mr5成功启动了NameNode、ResourceManager、SecondaryNameNode进程;
mr6、mr7、mr8成功启动了DataNode、NodeManager进程。
(6)验证成功状态
通过以下方式查看节点的健康状态和作业的执行情况:
浏览器访问(本地需要配置hosts)

5、hive-0.9.0-cdh4.1.2安装

(1)安装包准备
使用hadoop用户上传hive-0.9.0-cdh4.1.2到mr5机器的/home/hadoop/目录下并解压:
tar zxvf hive-0.9.0-cdh4.1.2

(2)配置环境变量
在.bash_profile添加环境变量:
exportHIVE_HOME=/home/hadoop/hive-0.9.0-cdh4.1.2
exportPATH=$PATH:${JAVA_HOME}/bin:${HADOOP_HOME}/bin:${HADOOP_HOME}/sbin:${HIVE_HOME}/bin
exportHIVE_CONF_DIR=$HIVE_HOME/conf
exportHIVE_LIB=$HIVE_HOME/lib

添加完后执行以下命令使得环境变量生效:
..bash_profile

(3)修改配置文件
修改hive配置文件(配置文件目录:hive-0.9.0-cdh4.1.2/conf/)
在hive-0.9.0-cdh4.1.2/conf/目录下新建hive-site.xml文件,并添加以下配置信息:

hive.metastore.local
true

javax.jdo.option.ConnectionURL
jdbc:mysql://10.28.169.61:3306/hive_impala?createDatabaseIfNotExist=true

javax.jdo.option.ConnectionDriverName
com.mysql.jdbc.Driver

javax.jdo.option.ConnectionUserName
hadoop

javax.jdo.option.ConnectionPassword
123456

hive.security.authorization.enabled
false

hive.security.authorization.createtable.owner.grants
ALL

hive.querylog.location
${user.home}/hive-logs/querylog



  c++速度快啊.是java的10倍以上
软件
前端设计
程序设计
Java相关