内容简介:hbase高可用集群部署(cdh)
一、概要
本文记录hbase高可用集群部署过程,在部署hbase之前需要事先部署好hadoop集群,因为hbase的数据需要存放在hdfs上,hadoop集群的部署后续会有一篇文章记录,本文假设hadoop集群已经部署好,分布式hbase集群需要依赖zk,并且zk可以是hbase自己托管的也可以是我们自己单独搭建的,这里我们使用自己单独搭建的zk集群,我们的hadoop集群是用的cdh的发行版,所以hbase也会使用cdh的源。
二、环境
1、软件版本
centos6
zookeeper-3.4.5+cdh5.9.0+98-1.cdh5.9.0.p0.30.el6.x86_64
hadoop-2.6.0+cdh5.9.0+1799-1.cdh5.9.0.p0.30.el6.x86_64
hbase-1.2.0+cdh5.9.0+205-1.cdh5.9.0.p0.30.el6.x86_64
2、角色
a、zk集群
10.10.20.64:2181 10.10.40.212:2181 10.10.102.207:2181
b、hbase
10.10.40.212 HMaster 10.10.20.64 HMaster 10.10.10.114 HRegionServer 10.10.40.169 HRegionServer 10.10.30.174 HRegionServer
三、部署
1、配置cdh的yum源
vim /etc/yum.repos.d/cloudera-cdh.repo [cloudera-cdh5] # Packages for Cloudera's Distribution for Hadoop, Version 5.4.4, on RedHat or CentOS 6 x86_64 name=Cloudera's Distribution for Hadoop, Version 5.4.8 baseurl=http://archive.cloudera.com/cdh5/redhat/6/x86_64/cdh/5.9.0/ gpgkey=http://archive.cloudera.com/cdh5/redhat/6/x86_64/cdh/RPM-GPG-KEY-cloudera gpgcheck=1 [cloudera-gplextras5b2] # Packages for Cloudera's GPLExtras, Version 5.4.4, on RedHat or CentOS 6 x86_64 name=Cloudera's GPLExtras, Version 5.4.8 baseurl=http://archive.cloudera.com/gplextras5/redhat/6/x86_64/gplextras/5.9.0/ gpgkey=http://archive.cloudera.com/gplextras5/redhat/6/x86_64/gplextras/RPM-GPG-KEY-cloudera gpgcheck=1
2、安装zk集群(所有zk节点都操作)
1、安装
yum -y install zookeeper zookeeper-server
b、配置
vim /etc/zookeeper/conf/zoo.cfg tickTime=2000 initLimit=10 syncLimit=5 dataDir=/data/lib/zookeeper clientPort=2181 maxClientCnxns=0 server.1=10.10.20.64.inveno.com:2888:3888 server.2=10.10.40.212.inveno.com:2888:3888 server.3=10.10.102.207.inveno.com:2888:3888 autopurge.snapRetainCount=3 autopurge.purgeInterval=1
mkdir -p /data/lib/zookeeper #建zk的dir目录
echo 1 >/data/lib/zookeeper/myid #10.10.20.64上操作 echo 2 >/data/lib/zookeeper/myid #10.10.40.212上操作 echo 3 >/data/lib/zookeeper/myid #10.10.102.207上操作
c、启动服务
/etc/init.d/zookeeper-server start
3、安装配置hbase集群
a、安装
yum -y install hbase hbase-master #HMaster节点操作 yum -y install hbase hbase-regionserver #HRegionServer节点操作
b、配置(所有base节点操作)
vim /etc/hbase/conf/hbase-site.xml <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> <configuration> <property> <name>hbase.zookeeper.quorum</name> <value>10.10.20.64:2181,10.10.40.212:2181,10.10.102.207:2181</value> </property> <property> <name>hbase.zookeeper.property.clientPort</name> <value>2181</value> </property> <property> <name>hbase.zookeeper.property.dataDir</name> <value>/data/lib/zookeeper/</value> </property> <property> <name>hbase.rootdir</name> <value>hdfs://mycluster:8020/hbase</value> </property> <property> <name>hbase.cluster.distributed</name> <value>true</value> <description>集群的模式,分布式还是单机模式,如果设置成false的话,HBase进程和Zookeeper进程在同一个JVM进程 </description> </property> </configuration>
echo "export HBASE_MANAGES_ZK=false" >>/etc/hbase/conf/hbase-env.sh #设置hbase使用独立的zk集群
vim /etc/hbase/conf/regionservers ip-10-10-30-174.ec2.internal ip-10-10-10-114.ec2.internal ip-10-10-40-169.ec2.internal #添加HRegionServer的主机名到regionservers,我没有在/etc/hosts下做主机名的映射,直接用了ec2的默认主机名
c、启动服务
/etc/init.d/hbase-master start #HMaster节点操作 /etc/init.d/hbase-regionserver start #HRegionServer节点操作
4、验证
a、验证基本功能
[root@ip-10-10-20-64 ~]# hbase shell 2017-05-10 16:31:20,225 INFO [main] Configuration.deprecation: hadoop.native.lib is deprecated. Instead, use io.native.lib.available HBase Shell; enter 'help<RETURN>' for list of supported commands. Type "exit<RETURN>" to leave the HBase Shell Version 1.2.0-cdh5.9.0, rUnknown, Fri Oct 21 01:19:47 PDT 2016 hbase(main):001:0> status 1 active master, 1 backup masters, 3 servers, 0 dead, 1.3333 average load hbase(main):002:0> list TABLE test test1 2 row(s) in 0.0330 seconds => ["test", "test1"] hbase(main):003:0> describe 'test' Table test is ENABLED test COLUMN FAMILIES DESCRIPTION {NAME => 'id', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERSIO NS => '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION_SCOPE => '0'} {NAME => 'name', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERS IONS => '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION_SCOPE => '0'} {NAME => 'text', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'FALSE', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERS IONS => '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION_SCOPE => '0'} 3 row(s) in 0.1150 seconds hbase(main):004:0>
b、验证HA功能
1、hbase默认的web管理端口是60010,两个HMaster谁先启动谁就是主active节点,10.10.40.212先启动,10.10.20.64后启动,web截图如下:
2、停止10.10.40.212的HMaster进程,查看10.10.20.64是否会提升为master
/etc/init.d/hbase-master stop
以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,也希望大家多多支持 码农网
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