• 最新Hadoop-2.7.2+hbase-1.2.0+zookeeper-3.4.8 HA高可用集群配置安装


    Ip

     主机名

    程序

    进程

    192.168.128.11

    h1

    Jdk

    Hadoop

    hbase

    Namenode

    DFSZKFailoverController

    Hamster

    192.168.128.12

    h2

    Jdk

    Hadoop

    hbase

    Namenode

    DFSZKFailoverController

    Hamster

    192.168.128.13

    h3

    Jdk

    Hadoop

    resourceManager

    192.168.128.14

    h4

    Jdk

    Hadoop

    resourceManager

    192.168.128.15

    h5

    Jdk

    Hadoop

    Zookeeper

    Hbase

    Datanode

    nodeManager

    JournalNode

    QuorumPeerMain

    HRegionServer

    192.168.128.16

    h6

    Jdk

    Hadoop

    Zookeeper

    Hbase

    Datanode

    nodeManager

    JournalNode

    QuorumPeerMain

    HRegionServer

    192.168.128.17

    h7

    Jdk

    Hadoop

    Zookeeper

    hbase

    Datanode

    nodeManager

    JournalNode

    QuorumPeerMain

    HRegionServer

    关于准备工作  我这里就不一一写出来了,总结一下有主机名,ip,主机名和ip的映射关系,防火墙,ssh免密码,jdk的安装及环境变量的设置。

    安装zookeeper到 h5、h6、h7上面

    修改 /home/zookeeper-3.4.8/conf的zoo_sample.cfg

    cp zoo_sample.cfg zoo.cfg

    # The number of milliseconds of each tick

    tickTime=2000

    # The number of ticks that the initial

    # synchronization phase can take

    initLimit=10

    # The number of ticks that can pass between

    # sending a request and getting an acknowledgement

    syncLimit=5

    # the directory where the snapshot is stored.

    # do not use /tmp for storage, /tmp here is just

    # example sakes.

    dataDir=/home/zookeeper-3.4.8/data

    # the port at which the clients will connect

    clientPort=2181

    # the maximum number of client connections.

    # increase this if you need to handle more clients

    #maxClientCnxns=60

    #

    # Be sure to read the maintenance section of the

    # administrator guide before turning on autopurge.

    #

    # http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance

    #

    # The number of snapshots to retain in dataDir

    #autopurge.snapRetainCount=3

    # Purge task interval in hours

    # Set to "0" to disable auto purge feature

    #autopurge.purgeInterval=1

    server.1=h5:2888:3888

    server.2=h6:2888:3888

    server.3=h7:2888:3888

    创建 data文件夹  和在里面  创建文件myid  并写入数字1

    touch data/myid

    echo 1 > data/myid

    拷贝整个zookeeper到另外两个节点上

    scp -r /home/zookeeper-3.4.8  h6:/home/

    scp -r /home/zookeeper-3.4.8  h7:/home/

    其他两个节点的myid  修改为 2  3

    安装hadoop

    /home/hadoop-2.7.2/etc/Hadoop

    hadoop-env.sh:

    export JAVA_HOME=/home/jdk

    core-site.xml:

     

    <configuration>

    <!-- 指定hdfs的nameservice为masters -->

    <property>

    <name>fs.defaultFS</name>

    <value>hdfs://masters</value>

    </property>

    <!-- 指定hadoop临时目录 -->

    <property>

    <name>hadoop.tmp.dir</name>

    <value>/home/hadoop-2.7.2/tmp</value>

    </property>

    <!-- 指定zookeeper地址 -->

    <property>

    <name>ha.zookeeper.quorum</name>

    <value>h5:2181,h6:2181,h7:2181</value>

    </property>

    </configuration>

    hdfs-site.xml:

     

    <configuration>

    <!--指定hdfs的nameservice为masters,需要和core-site.xml中的保持一致 -->

            <property>

                    <name>dfs.nameservices</name>

                    <value>masters</value>

            </property>

            <!-- h1下面有两个NameNode,分别是h1,h2 -->

            <property>

                    <name>dfs.ha.namenodes.masters</name>

                    <value>h1,h2</value>

            </property>

            <!-- h1的RPC通信地址 -->

            <property>

                    <name>dfs.namenode.rpc-address.masters.h1</name>

                    <value>h1:9000</value>

            </property>

            <!-- h1的http通信地址 -->

            <property>

                    <name>dfs.namenode.http-address.masters.h1</name>

                    <value>h1:50070</value>

            </property>

            <!-- h2的RPC通信地址 -->

            <property>

                    <name>dfs.namenode.rpc-address.masters.h2</name>

                    <value>h2:9000</value>

            </property>

            <!-- h2的http通信地址 -->

            <property>

                    <name>dfs.namenode.http-address.masters.h2</name>

                    <value>h2:50070</value>

            </property>

            <!-- 指定NameNode的元数据在JournalNode上的存放位置 -->

            <property>

                    <name>dfs.namenode.shared.edits.dir</name>

                    <value>qjournal://h5:8485;h6:8485;h7:8485/masters</value>

            </property>

            <!-- 指定JournalNode在本地磁盘存放数据的位置 -->

            <property>

                    <name>dfs.journalnode.edits.dir</name>

                    <value>/home/hadoop-2.7.2/journal</value>

            </property>

            <!-- 开启NameNode失败自动切换 -->

            <property>

                    <name>dfs.ha.automatic-failover.enabled</name>

                    <value>true</value>

            </property>

            <!-- 配置失败自动切换实现方式 -->

            <property>

                    <name>dfs.client.failover.proxy.provider.masters</name>

                    <value>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</value>

            </property>

            <!-- 配置隔离机制方法,多个机制用换行分割,即每个机制暂用一行-->

            <property>

                    <name>dfs.ha.fencing.methods</name>

                    <value>

                            sshfence

                            shell(/bin/true)

                    </value>

            </property>

            <!-- 使用sshfence隔离机制时需要ssh免登陆 -->

            <property>

                    <name>dfs.ha.fencing.ssh.private-key-files</name>

                    <value>/root/.ssh/id_rsa</value>

            </property>

            <!-- 配置sshfence隔离机制超时时间 -->

            <property>

                    <name>dfs.ha.fencing.ssh.connect-timeout</name>

                    <value>30000</value>

            </property>

    </configuration>

    mapred-site.xml:

    <configuration>

    <!-- 指定mr框架为yarn方式 -->

    <property>

    <name>mapreduce.framework.name</name>

    <value>yarn</value>

    </property>

    </configuration>

    yarn-site.xml:

    <configuration>

     

    <!-- 开启RM高可靠 -->

            <property>

                    <name>yarn.resourcemanager.ha.enabled</name>

                    <value>true</value>

            </property>

            <!-- 指定RM的cluster id -->

            <property>

                    <name>yarn.resourcemanager.cluster-id</name>

                    <value>RM_HA_ID</value>

            </property>

            <!-- 指定RM的名字 -->

            <property>

                    <name>yarn.resourcemanager.ha.rm-ids</name>

                    <value>rm1,rm2</value>

            </property>

            <!-- 分别指定RM的地址 -->

            <property>

                    <name>yarn.resourcemanager.hostname.rm1</name>

                    <value>h3</value>

            </property>

            <property>

                    <name>yarn.resourcemanager.hostname.rm2</name>

                    <value>h4</value>

            </property>

            <property>

                    <name>yarn.resourcemanager.recovery.enabled</name>

                    <value>true</value>

            </property>

            

            <property>

                    <name>yarn.resourcemanager.store.class</name>

                    <value>org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore</value>

            </property>

            <!-- 指定zk集群地址 -->

            <property>

                    <name>yarn.resourcemanager.zk-address</name>

                    <value>h5:2181,h6:2181,h7:2181</value>

            </property>

            <property>

                    <name>yarn.nodemanager.aux-services</name>

                    <value>mapreduce_shuffle</value>

            </property>

    </configuration>

    Slaves:

    h5

    h6

    h7

     

    然后 拷贝到其他节点

    scp -r hadoop-2.7.2 h2:/home/    等等

    这个地方说明一下  yarn 的HA  是在  h3和h4  上面

    启动顺序

    ###注意:严格按照下面的步骤

    1. 启动zookeeper集群

    [root@h6 ~]# cd /home/zookeeper-3.4.8/bin/

    [root@h6 bin]# ./zkServer.sh start

    H5  h6  h7  都一样

    [root@h6 bin]# ./zkServer.sh status

    查看状态

    1. 启动journalnode

    [root@h5 bin]# cd /home/hadoop-2.7.2/sbin/

    [root@h5 sbin]# ./hadoop-daemons.sh start journalnode

    h5: starting journalnode, logging to /home/hadoop-2.7.2/logs/hadoop-root-journalnode-h5.out

    h7: starting journalnode, logging to /home/hadoop-2.7.2/logs/hadoop-root-journalnode-h7.out

    h6: starting journalnode, logging to /home/hadoop-2.7.2/logs/hadoop-root-journalnode-h6.out

    [root@h5 sbin]# jps

    2420 JournalNode

    2309 QuorumPeerMain

    2461 Jps

    [root@h5 sbin]# ^C

    1. 格式化HDFS

    在h1上执行命令:

    hdfs namenode -format

    格式化后会在根据core-site.xml中的hadoop.tmp.dir配置生成个文件

    拷贝tmp 到 h2

    [root@h1 hadoop-2.7.2]# scp -r tmp/ h2:/home/hadoop-2.7.2/

    4. 格式化ZK(在h1上执行即可)

    [root@h1 hadoop-2.7.2]# hdfs zkfc -formatZK

    5. 启动HDFS(在h1上执行)

    [root@h1 hadoop-2.7.2]# sbin/start-dfs.sh

    16/02/25 05:01:14 WARN hdfs.DFSUtil: Namenode for ns1 remains unresolved for ID null.  Check your hdfs-site.xml file to ensure namenodes are configured properly.

    16/02/25 05:01:14 WARN hdfs.DFSUtil: Namenode for ns2 remains unresolved for ID null.  Check your hdfs-site.xml file to ensure namenodes are configured properly.

    16/02/25 05:01:14 WARN hdfs.DFSUtil: Namenode for ns3 remains unresolved for ID null.  Check your hdfs-site.xml file to ensure namenodes are configured properly.

    Starting namenodes on [h1 h2 masters masters masters]

    masters: ssh: Could not resolve hostname masters: Name or service not known

    masters: ssh: Could not resolve hostname masters: Name or service not known

    masters: ssh: Could not resolve hostname masters: Name or service not known

    h2: starting namenode, logging to /home/hadoop-2.7.2/logs/hadoop-root-namenode-h2.out

    h1: starting namenode, logging to /home/hadoop-2.7.2/logs/hadoop-root-namenode-h1.out

    h5: starting datanode, logging to /home/hadoop-2.7.2/logs/hadoop-root-datanode-h5.out

    h7: starting datanode, logging to /home/hadoop-2.7.2/logs/hadoop-root-datanode-h7.out

    h6: starting datanode, logging to /home/hadoop-2.7.2/logs/hadoop-root-datanode-h6.out

    Starting journal nodes [h5 h6 h7]

    h5: journalnode running as process 2420. Stop it first.

    h6: journalnode running as process 2885. Stop it first.

    h7: journalnode running as process 2896. Stop it first.

    Starting ZK Failover Controllers on NN hosts [h1 h2 masters masters masters]

    masters: ssh: Could not resolve hostname masters: Name or service not known

    masters: ssh: Could not resolve hostname masters: Name or service not known

    masters: ssh: Could not resolve hostname masters: Name or service not known

    h2: starting zkfc, logging to /home/hadoop-2.7.2/logs/hadoop-root-zkfc-h2.out

    h1: starting zkfc, logging to /home/hadoop-2.7.2/logs/hadoop-root-zkfc-h1.out

    [root@h1 hadoop-2.7.2]#

    6. 启动YARN(是在h3上执行start-yarn.sh,把namenode和resourcemanager分开是因为性能问题,因为他们都要占用大量资源,所以把他们分开了,他们分开了就要分别在不同的机器上启动)

    [root@h3 sbin]# ./start-yarn.sh

    [root@h4 sbin]# ./yarn-daemons.sh start resourcemanager

    验证:

    http://192.168.128.11:50070

    Overview 'h1:9000' (active)

    http://192.168.128.12:50070

    Overview 'h2:9000' (standby)

    上传文件

    [root@h4 bin]# hadoop fs -put /etc/profile /profile

    [root@h4 bin]# hadoop fs -ls

    ls: `.': No such file or directory

    [root@h4 bin]# hadoop fs -ls /

    Found 1 items

    -rw-r--r--   3 root supergroup       1814 2016-02-26 19:08 /profile

    [root@h4 bin]#

    杀死h1

    [root@h1 sbin]# jps

    2480 NameNode

    2868 Jps

    2775 DFSZKFailoverController

    [root@h1 sbin]# kill -9 2480

    [root@h1 sbin]# jps

    2880 Jps

    2775 DFSZKFailoverController

    [root@h1 sbin]# hadoop fs -ls /

    Found 1 items

    -rw-r--r--   3 root supergroup       1814 2016-02-26 19:08 /profile

    此时 h2  变为active

    手动启动 h1的 namenode

    [root@h1 sbin]# ./hadoop-daemon.sh start namenode

    starting namenode, logging to /home/hadoop-2.7.2/logs/hadoop-root-namenode-h1.out

    [root@h1 sbin]# hadoop jar /home/hadoop-2.7.2/s

    观察  h1 状态为standby

    验证yarn

    [root@h1 sbin]# hadoop jar /home/hadoop-2.7.2/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.2.jar wordcount /profile /out

    16/02/26 19:14:23 INFO input.FileInputFormat: Total input paths to process : 1

    16/02/26 19:14:23 INFO mapreduce.JobSubmitter: number of splits:1

    16/02/26 19:14:23 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1456484773347_0001

    16/02/26 19:14:24 INFO impl.YarnClientImpl: Submitted application application_1456484773347_0001

    16/02/26 19:14:24 INFO mapreduce.Job: The url to track the job: http://h3:8088/proxy/application_1456484773347_0001/

    16/02/26 19:14:24 INFO mapreduce.Job: Running job: job_1456484773347_0001

    16/02/26 19:14:49 INFO mapreduce.Job: Job job_1456484773347_0001 running in uber mode : false

    16/02/26 19:14:49 INFO mapreduce.Job:  map 0% reduce 0%

    16/02/26 19:15:05 INFO mapreduce.Job:  map 100% reduce 0%

    16/02/26 19:15:22 INFO mapreduce.Job:  map 100% reduce 100%

    16/02/26 19:15:23 INFO mapreduce.Job: Job job_1456484773347_0001 completed successfully

    16/02/26 19:15:23 INFO mapreduce.Job: Counters: 49

            File System Counters

                    FILE: Number of bytes read=2099

                    FILE: Number of bytes written=243781

                    FILE: Number of read operations=0

                    FILE: Number of large read operations=0

                    FILE: Number of write operations=0

                    HDFS: Number of bytes read=1901

                    HDFS: Number of bytes written=1470

                    HDFS: Number of read operations=6

                    HDFS: Number of large read operations=0

                    HDFS: Number of write operations=2

            Job Counters

                    Launched map tasks=1

                    Launched reduce tasks=1

                    Data-local map tasks=1

                    Total time spent by all maps in occupied slots (ms)=13014

                    Total time spent by all reduces in occupied slots (ms)=13470

                    Total time spent by all map tasks (ms)=13014

                    Total time spent by all reduce tasks (ms)=13470

                    Total vcore-milliseconds taken by all map tasks=13014

                    Total vcore-milliseconds taken by all reduce tasks=13470

                    Total megabyte-milliseconds taken by all map tasks=13326336

                    Total megabyte-milliseconds taken by all reduce tasks=13793280

            Map-Reduce Framework

                    Map input records=80

                    Map output records=256

                    Map output bytes=2588

                    Map output materialized bytes=2099

                    Input split bytes=87

                    Combine input records=256

                    Combine output records=156

                    Reduce input groups=156

                    Reduce shuffle bytes=2099

                    Reduce input records=156

                    Reduce output records=156

                    Spilled Records=312

                    Shuffled Maps =1

                    Failed Shuffles=0

                    Merged Map outputs=1

                    GC time elapsed (ms)=395

                    CPU time spent (ms)=4100

                    Physical memory (bytes) snapshot=298807296

                    Virtual memory (bytes) snapshot=4201771008

                    Total committed heap usage (bytes)=138964992

            Shuffle Errors

                    BAD_ID=0

                    CONNECTION=0

                    IO_ERROR=0

                    WRONG_LENGTH=0

                    WRONG_MAP=0

                    WRONG_REDUCE=0

            File Input Format Counters

                    Bytes Read=1814

            File Output Format Counters

                    Bytes Written=1470

    [root@h1 sbin]# hadoop fs -ls /

    Found 3 items

    drwxr-xr-x   - root supergroup          0 2016-02-26 19:15 /out

    -rw-r--r--   3 root supergroup       1814 2016-02-26 19:08 /profile

    drwx------   - root supergroup          0 2016-02-26 19:14 /tmp

    [root@h1 sbin]#

    Hadoop ha  集群搭建完成

    安装hbase

    hbase-env.sh:

    export JAVA_HOME=/home/jdk

    export HBASE_MANAGES_ZK=false

    hbase-site.xml:

    <configuration>

    <property>

    <name>hbase.rootdir</name>

    <value>hdfs://h1:9000/hbase</value>

    </property>

    <property>

    <name>hbase.cluster.distributed</name>

    <value>true</value>

    </property>

     

    <property>

    <name>hbase.master</name>

    <value>h1:60000</value>

    </property>

     <property>

     <name>hbase.master.port</name>

     <value>60000</value>

     <description>The port master should bind to.</description>

     </property>

     

     

    <property>

    <name>hbase.zookeeper.quorum</name>

    <value>h5,h6,h7</value>

    </property>

    <property>

    <name>dfs.replication</name>

    <value>3</value>

    </property>

    </configuration>

    注意:$HBASE_HOME/conf/hbase-site.xml的hbase.rootdir的主机和端口号与$HADOOP_HOME/conf/core-site.xml的fs.default.name的主机和端口号一致

    Regionservers:内容为:

    h5

    h6

    h7

    复制到h2  h5,h6,h7上面

    整个启动顺序

    按照上面启动hadoop  ha  的顺序  先启动好

    然后在h1,h2上启动hbase

    ./start-hbase.sh

    测试进入 hbase

    [root@h1 bin]# hbase shell

    SLF4J: Class path contains multiple SLF4J bindings.

    SLF4J: Found binding in [jar:file:/home/hbase-1.2.0/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]

    SLF4J: Found binding in [jar:file:/home/hadoop-2.7.2/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]

    SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

    SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]

    HBase Shell; enter 'help<RETURN>' for list of supported commands.

    Type "exit<RETURN>" to leave the HBase Shell

    Version 1.2.0, r25b281972df2f5b15c426c8963cbf77dd853a5ad, Thu Feb 18 23:01:49 CST 2016

    hbase(main):001:0> esit

    NameError: undefined local variable or method `esit' for #<Object:0x7ad1caa2>

    hbase(main):002:0> exit

    至此全部结束。

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  • 原文地址:https://www.cnblogs.com/weir2011/p/5220807.html
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