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  • Nutch安装指南

    转自:http://user.qzone.qq.com/281032878/blog/1362131478#!app=2&via=QZ.HashRefresh&pos=1362131478
    Nutch相关框架安装使用最佳指南(原创)
    一、nutch1.2
     步骤和二大同小异,在步骤 5、配置构建路径 中需要多两个操作:在左部Package Explorer的 nutch1.2文件夹上单击右键 > Build Path > Configure Build Path...   >  选中Source选项 > Default output folder:修改nutch1.2/bin为nutch1.2/_bin,在左部Package Explorer的 nutch1.2文件夹下的bin文件夹上单击右键 > Team > 还原
     二中黄色背景部分是版本号的差异,红色部分是1.2版本没有的,绿色部分是不一样的地方,如下:
     1、Add JARs... >  nutch1.2 > lib ,选中所有的.jar文件 > OK
     2、crawl-urlfilter.txt
     3、将crawl -urlfilter.txt.template改名为crawl -urlfilter.txt
     4、修改crawl-urlfilter.txt,将 
    # accept hosts in MY.DOMAIN.NAME
    +^http://([a-z0-9]*\.)*MY.DOMAIN.NAME/
    # skip everything else
    -.
     5、cd /home/ysc/workspace/nutch1.2
     nutch1.2是一个完整的搜索引擎,nutch1.5.1只是一个爬虫。nutch1.2可以把索引提交给SOLR,也可以直接生成LUCENE索引,nutch1.5.1则只能把索引提交给SOLR:
     1、cd /home/ysc
     2、wget http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-7/v7.0.29/bin/apache-tomcat-7.0.29.tar.gz
     3、tar -xvf apache-tomcat-7.0.29.tar.gz
     4、在左部Package Explorer的 nutch1.2文件夹下的build.xml文件上单击右键 > Run As > Ant Build... > 选中war target > Run
     5、cd /home/ysc/workspace/nutch1.2/build
     6、unzip nutch-1.2.war -d nutch-1.2
     7、cp -r nutch-1.2 /home/ysc/apache-tomcat-7.0.29/webapps
     8、vi /home/ysc/apache-tomcat-7.0.29/webapps/nutch-1.2/WEB-INF/classes/nutch-site.xml
     加入以下配置:
     <property>
      <name>searcher.dir</name>
      <value>/home/ysc/workspace/nutch1.2/data</value>
      <description>
      Path to root of crawl.  This directory is searched (in
      order) for either the file search-servers.txt, containing a list of
      distributed search servers, or the directory "index" containing
      merged indexes, or the directory "segments" containing segment
      indexes.
      </description>
    </property>
    9、vi /home/ysc/apache-tomcat-7.0.29/conf/server.xml

    <Connector port="8080" protocol="HTTP/1.1"
                   connectionTimeout="20000"
                   redirectPort="8443"/>
    改为
    <Connector port="8080" protocol="HTTP/1.1"
                   connectionTimeout="20000"
                   redirectPort="8443" URIEncoding="utf-8"/>
    10、cd /home/ysc/apache-tomcat-7.0.29/bin
    11、./startup.sh
    12、访问:http://localhost:8080/nutch-1.2/
    关于nutch1.2更多的BUG修复及资料,请参看我在CSDN发布的资源:http://download.csdn.net/user/yangshangchuan
    二、nutch1.5.1
    1、下载并解压eclipse(集成开发环境)
     下载地址:http://www.eclipse.org/downloads/,下载Eclipse IDE for Java EE Developers
    2、安装Subclipse插件(SVN客户端)
     插件地址:http://subclipse.tigris.org/update_1.8.x
    3、安装IvyDE插件(下载依赖Jar)
     插件地址:http://www.apache.org/dist/ant/ivyde/updatesite/
    4、签出代码
     File > New > Project > SVN > 从SVN 检出项目
     创建新的资源库位置 > URL:https://svn.apache.org/repos/asf/nutch/tags/release-1.5.1/ > 选中URL > Finish
     弹出New Project向导,选择Java Project > Next,输入Project name:nutch1.5.1 > Finish
    5、配置构建路径
     在左部Package Explorer的 nutch1.5.1文件夹上单击右键 > Build Path > Configure Build Path...   
    > 选中Source选项 > 选择src > Remove > Add Folder... > 选择src/bin, src/java, src/test 和 src/testresources(对于插件,需要选中src/plugin目录下的每一个插件目录下的src/java , src/test文件夹) > OK
     切换到Libraries选项 > 
     Add Class Folder... > 选中nutch1.5.1/conf > OK
     Add JARs... >  需要选中src/plugin目录下的每一个插件目录下的lib目录下的jar文件 > OK
     Add Library... > IvyDE Managed Dependencies > Next > Main > Ivy File > Browse > ivy/ivy.xml > Finish
     切换到Order and Export选项>
     选中conf > Top
    6、执行ANT
     在左部Package Explorer的 nutch1.5.1文件夹下的build.xml文件上单击右键 > Run As > Ant Build
     在左部Package Explorer的 nutch1.5.1文件夹上单击右键 > Refresh
     在左部Package Explorer的 nutch1.5.1文件夹上单击右键 > Build Path > Configure Build Path...   >  选中Libraries选项 > Add Class Folder... >  选中build > OK
    7、修改配置文件nutch-site.xml 和regex-urlfilter.txt
     将nutch-site.xml.template改名为nutch-site.xml
     将regex-urlfilter.txt.template改名为regex-urlfilter.txt
     在左部Package Explorer的 nutch1.5.1文件夹上单击右键 > Refresh
     将如下配置项加入文件nutch-site.xml:
    <property>
      <name>http.agent.name</name>
      <value>nutch</value>
    </property>
    <property>
      <name>http.content.limit</name>
      <value>-1</value>
    </property>
     修改regex-urlfilter.txt,将 
    # accept anything else 
    +.
     替换为:
    +^http://([a-z0-9]*\.)*news.163.com/ 
    -.
    8、开发调试
     在左部Package Explorer的 nutch1.5.1文件夹上单击右键 > New > Folder > Folder name: urls
     在刚新建的urls目录下新建一个文本文件url,文本内容为:http://news.163.com
     打开src/java下的org.apache.nutch.crawl.Crawl.java类,单击右键Run As > Run Configurations > Arguments > 在Program arguments输入框中输入: urls -dir data -depth 3 > Run
     在需要调试的地方打上断点Debug As > Java Applicaton
    9、查看结果
     查看segments目录:
     打开src/java下的org.apache.nutch.segment.SegmentReader.java类
     单击右键Run As > Java Applicaton,控制台会输出该命令的使用方法
     单击右键Run As > Run Configurations > Arguments > 在Program arguments输入框中输入: -dump data/segments/*  data/segments/dump
     用文本编辑器打开文件data/segments/dump/dump查看segments中存储的信息
     查看crawldb目录:
     打开src/java下的org.apache.nutch.crawl.CrawlDbReader.java类
     单击右键Run As > Java Applicaton,控制台会输出该命令的使用方法
     单击右键Run As > Run Configurations > Arguments > 在Program arguments输入框中输入: data/crawldb -stats
     控制台会输出 crawldb统计信息
     查看linkdb目录:
     打开src/java下的org.apache.nutch.crawl.LinkDbReader.java类
     单击右键Run As > Java Applicaton,控制台会输出该命令的使用方法
     单击右键Run As > Run Configurations > Arguments > 在Program arguments输入框中输入: data/linkdb -dump data/linkdb_dump
     用文本编辑器打开文件data/linkdb_dump/part-00000查看linkdb中存储的信息
    10、全网分步骤抓取
     在左部Package Explorer的 nutch1.5.1文件夹下的build.xml文件上单击右键 > Run As > Ant Build
     cd  /home/ysc/workspace/nutch1.5.1/runtime/local
     #准备URL列表
     wget http://rdf.dmoz.org/rdf/content.rdf.u8.gz
     gunzip content.rdf.u8.gz
     mkdir dmoz
     bin/nutch org.apache.nutch.tools.DmozParser content.rdf.u8 -subset 5000 > dmoz/url
     #注入URL
     bin/nutch inject crawl/crawldb dmoz
     #生成抓取列表
     bin/nutch generate crawl/crawldb crawl/segments
     #第一次抓取
     s1=`ls -d crawl/segments/2* | tail -1`
     echo $s1
     #抓取网页
     bin/nutch fetch $s1
     #解析网页
     bin/nutch parse $s1
     #更新URL状态
     bin/nutch updatedb crawl/crawldb $s1
     #第二次抓取
     bin/nutch generate crawl/crawldb crawl/segments -topN 1000
     s2=`ls -d crawl/segments/2* | tail -1`
     echo $s2
     bin/nutch fetch $s2
     bin/nutch parse $s2
     bin/nutch updatedb crawl/crawldb $s2
     #第三次抓取
     bin/nutch generate crawl/crawldb crawl/segments -topN 1000
     s3=`ls -d crawl/segments/2* | tail -1`
     echo $s3
     bin/nutch fetch $s3
     bin/nutch parse $s3
     bin/nutch updatedb crawl/crawldb $s3
     #生成反向链接库
     bin/nutch invertlinks crawl/linkdb -dir crawl/segments
    11、索引和搜索
     cd  /home/ysc/ 
     wget http://mirror.bjtu.edu.cn/apache/lucene/solr/3.6.1/apache-solr-3.6.1.tgz
     tar -xvf apache-solr-3.6.1.tgz
     cd apache-solr-3.6.1 /example
     
     NUTCH_RUNTIME_HOME=/home/ysc/workspace/nutch1.5.1/runtime/local
     APACHE_SOLR_HOME=/home/ysc/apache-solr-3.6.1
     cp ${NUTCH_RUNTIME_HOME}/conf/schema.xml ${APACHE_SOLR_HOME}/example/solr/conf/
     如果需要把网页内容存储到索引中,则修改 schema.xml文件中的
     <field name="content" type="text" stored="false" indexed="true"/>
     为
     <field name="content" type="text" stored="true" indexed="true"/>
     修改${APACHE_SOLR_HOME}/example/solr/conf/solrconfig.xml,将里面的<str name="df">text</str>都替换为<str name="df">content</str>
     把${APACHE_SOLR_HOME}/example/solr/conf/schema.xml中的 <schema name="nutch" version="1.5.1">修改为<schema name="nutch" version="1.5">
     #启动SOLR服务器
     java -jar start.jar
     cd  /home/ysc/workspace/nutch1.5.1/runtime/local
     #提交索引
     bin/nutch solrindex http://127.0.0.1:8983/solr/ crawl/crawldb -linkdb crawl/linkdb crawl/segments/*
     执行完整crawl:
     bin/nutch crawl urls -dir data -depth 2 -topN 100 -solr http://127.0.0.1:8983/solr/
     使用以下命令分页查看所有索引的文档:
     http://127.0.0.1:8983/solr/select/?q=*%3A*&version=2.2&start=0&rows=10&indent=on
     标题包含“网易”的文档:
     http://127.0.0.1:8983/solr/select/?q=title%3A%E7%BD%91%E6%98%93&version=2.2&start=0&rows=10&indent=on
    12、查看索引信息
     cd  /home/ysc/
     wget http://luke.googlecode.com/files/lukeall-3.5.0.jar
     java -jar lukeall-3.5.0.jar 
     Path: /home/ysc/apache-solr-3.6.1/example/solr/data
    13、配置SOLR的中文分词
     cd  /home/ysc/
     wget http://mmseg4j.googlecode.com/files/mmseg4j-1.8.5.zip
     unzip mmseg4j-1.8.5.zip -d  mmseg4j-1.8.5
     
     APACHE_SOLR_HOME=/home/ysc/apache-solr-3.6.1
     mkdir $APACHE_SOLR_HOME/example/solr/lib
     mkdir $APACHE_SOLR_HOME/example/solr/dic
     cp mmseg4j-1.8.5/mmseg4j-all-1.8.5.jar $APACHE_SOLR_HOME/example/solr/lib
     cp mmseg4j-1.8.5/data/*.dic $APACHE_SOLR_HOME/example/solr/dic
     
     将${APACHE_SOLR_HOME}/example/solr/conf/schema.xml文件中的
     <tokenizer class="solr.WhitespaceTokenizerFactory"/>
     和
     <tokenizer class="solr.StandardTokenizerFactory"/>
     替换为
     <tokenizer class="com.chenlb.mmseg4j.solr.MMSegTokenizerFactory" mode="complex" dicPath="/home/ysc/apache-solr-3.6.1/example/solr/dic"/>
     
     #重新启动SOLR服务器
     java -jar start.jar
     #重建索引,演示在开发环境中如何操作
     打开src/java下的org.apache.nutch.indexer.solr.SolrIndexer.java类
     单击右键Run As > Java Applicaton,控制台会输出该命令的使用方法
     单击右键Run As > Run Configurations > Arguments > 在Program arguments输入框中输入: http://127.0.0.1:8983/solr/ ; data/crawldb -linkdb  data/linkdb  data/segments/*
     使用luke重新打开索引就会发现分词起作用了
    三、nutch2.0
     nutch2.0和二中的nutch1.5.1的步骤相同,但在8、开发调试之前需要做以下配置:
     在左部Package Explorer的 nutch2.0文件夹上单击右键 > New > Folder > Folder name: data并指定数据存储方式,选如下之一:
     1、使用mysql作为数据存储
      1)、在nutch2.0/conf/nutch-site.xml中加入如下配置:
     <property>
      <name>storage.data.store.class</name>
      <value>org.apache.gora.sql.store.SqlStore</value>
    </property>
      2)、将nutch2.0/conf/gora.properties文件中的  
      gora.sqlstore.jdbc.driver=org.hsqldb.jdbc.JDBCDriver
    gora.sqlstore.jdbc.url=jdbc:hsqldb:hsql://localhost/nutchtest
    gora.sqlstore.jdbc.user=sa
    gora.sqlstore.jdbc.password=
      修改为
      gora.sqlstore.jdbc.driver=com.mysql.jdbc.Driver
    gora.sqlstore.jdbc.url=jdbc:mysql://127.0.0.1:3306/nutch2
    gora.sqlstore.jdbc.user=root
    gora.sqlstore.jdbc.password=ROOT
      3)、打开nutch2.0/ivy/ivy.xml中的mysql-connector-java依赖
      4)、sudo apt-get install mysql-server
     2、使用hbase作为数据存储
      1)、在nutch2.0/conf/nutch-site.xml中加入如下配置:
     <property>
      <name>storage.data.store.class</name>
      <value>org.apache.gora.hbase.store.HBaseStore</value>
    </property>
      2)、打开nutch2.0/ivy/ivy.xml中的gora-hbase依赖
      3)、cd /home/ysc
      4)、wget http://mirror.bit.edu.cn/apache/hbase/hbase-0.90.5/hbase-0.90.5.tar.gz
      5)、tar -xvf hbase-0.90.5.tar.gz
      6)、vi  hbase-0.90.5/conf/hbase-site.xml
       加入以下配置:
      <property>
        <name>hbase.rootdir</name>
        <value>file:///home/ysc/hbase-0.90.5-database</value>
      </property>
    7)、hbase-0.90.5/bin/start-hbase.sh
    8)、将/home/ysc/hbase-0.90.5/hbase-0.90.5.jar加入开发环境eclipse的build path
    四、配置SSH
     三台机器 devcluster01, devcluster02, devcluster03,分别在每一台机器上面执行如下操作:
     1、sudo vi /etc/hosts
     加入以下配置:
     192.168.1.1 devcluster01
     192.168.1.2 devcluster02
     192.168.1.3 devcluster03
     2、安装SSH服务:
      sudo apt-get install openssh-server
     3、(有提示的时候回车键确认)
      ssh-keygen -t rsa
      该命令会在用户主目录下创建 .ssh 目录,并在其中创建两个文件:id_rsa 私钥文件。是基于 RSA 算法创建。该私钥文件要妥善保管,不要泄漏。id_rsa.pub 公钥文件。和 id_rsa 文件是一对儿,该文件作为公钥文件,可以公开。
     4、cp .ssh/id_rsa.pub .ssh/authorized_keys
     把 三台机器 devcluster01, devcluster02, devcluster03 的文件/home/ysc/.ssh/authorized_keys的内容复制出来合并成一个文件并替换每一台机器上的/home/ysc/.ssh/authorized_keys文件
     在devcluster01上面执行时,以下两条命令的主机为02和03
     在devcluster02上面执行时,以下两条命令的主机为01和03
     在devcluster03上面执行时,以下两条命令的主机为01和02
     5、ssh-copy-id -i .ssh/id_rsa.pub ysc@ devcluster02
     6、ssh-copy-id -i .ssh/id_rsa.pub ysc@ devcluster03
     以上两条命令实际上是将 .ssh/id_rsa.pub 公钥文件追加到远程主机 server 的 user 主目录下的 .ssh/authorized_keys 文件中。
    五、安装Hadoop Cluster(伪分布式运行模式)并运行Nutch
     步骤和四大同小异,只需要1台机器 devcluster01,所以黄色背景部分全部设置为devcluster01,不需要第11步
    六、安装Hadoop Cluster(分布式运行模式)并运行Nutch
     三台机器 devcluster01, devcluster02, devcluster03(vi /etc/hostname)
     使用用户ysc登陆 devcluster01:
     1、cd /home/ysc
     2、wget http://mirrors.tuna.tsinghua.edu.cn/apache/hadoop/common/hadoop-1.1.1/hadoop-1.1.1-bin.tar.gz
     3、tar -xvf hadoop-1.1.1-bin.tar.gz
     4、cd  hadoop-1.1.1
     5、vi conf/masters
      替换内容为 :
      devcluster01
     6、vi conf/slaves
      替换内容为 :
      devcluster02
      devcluster03
     7、vi conf/core-site.xml
      加入配置:
      <property>
        <name>fs.default.name</name>
        <value>hdfs://devcluster01:9000</value>
        <description>
           Where to find the Hadoop Filesystem through the network. 
           Note 9000 is not the default port.
           (This is slightly changed from previous versions which didnt have "hdfs")
        </description>
      </property>
        <property> 
         <name>hadoop.security.authorization</name> 
          <value>true</value> 
        </property>
    编辑conf/hadoop-policy.xml
     8、vi conf/hdfs-site.xml
      加入配置:
    <property>
      <name>dfs.name.dir</name>
      <value>/home/ysc/dfs/filesystem/name</value>
    </property>
    <property>
      <name>dfs.data.dir</name>
      <value>/home/ysc/dfs/filesystem/data</value>
    </property>
    <property>
      <name>dfs.replication</name>
      <value>1</value>
    </property> 
    <property>
      <name>dfs.block.size</name>
      <value>671088640</value>
      <description>The default block size for new files.</description>
    </property>
     9、vi conf/mapred-site.xml
      加入配置:
    <property>
      <name>mapred.job.tracker</name>
      <value>devcluster01:9001</value>
      <description>
        The host and port that the MapReduce job tracker runs at. If 
        "local", then jobs are run in-process as a single map and 
        reduce task.
        Note 9001 is not the default port.
      </description>
    </property>
    <property>
      <name>mapred.reduce.tasks.speculative.execution</name>
      <value>false</value>
      <description>If true, then multiple instances of some reduce tasks 
                   may be executed in parallel.</description>
    </property>
    <property>
      <name>mapred.map.tasks.speculative.execution</name>
      <value>false</value>
      <description>If true, then multiple instances of some map tasks 
                   may be executed in parallel.</description>
    </property>
    <property> 
      <name>mapred.child.java.opts</name>
      <value>-Xmx2000m</value>
    </property>
    <property> 
      <name>mapred.tasktracker.map.tasks.maximum</name>
      <value>4</value>
      <description>
        the core number of host
      </description>
    </property>
    <property> 
      <name>mapred.map.tasks</name>
      <value>4</value>
    </property>
    <property> 
      <name>mapred.tasktracker.reduce.tasks.maximum</name>
      <value>4</value>
        <description>
        define mapred.map tasks to be number of slave hosts.the best number is the  number of slave hosts plus the core numbers of per host
        </description> 
    </property>
    <property> 
      <name>mapred.reduce.tasks</name>
      <value>4</value>
      <description>
        define mapred.reduce tasks to be number of slave hosts.the best number is the  number of slave hosts plus the core numbers of per host
      </description> 
    </property>
    <property>
      <name>mapred.output.compression.type</name>
      <value>BLOCK</value>
      <description>If the job outputs are to compressed as SequenceFiles, how should they be compressed? Should be one of NONE, RECORD or BLOCK.
      </description>
    </property>
    <property>
      <name>mapred.output.compress</name>
      <value>true</value>
      <description>Should the job outputs be compressed?
      </description>
    </property>
    <property>
      <name>mapred.compress.map.output</name>
      <value>true</value>
      <description>Should the outputs of the maps be compressed before being                sent across the network. Uses SequenceFile compression.
      </description>
    </property>
    <property>
      <name>mapred.system.dir</name>
      <value>/home/ysc/mapreduce/system</value>
    </property>
    <property>
      <name>mapred.local.dir</name>
      <value>/home/ysc/mapreduce/local</value>
    </property>
     10、vi conf/hadoop-env.sh
      追加:
    export JAVA_HOME=/home/ysc/jdk1.7.0_05
      export HADOOP_HEAPSIZE=2000
      #替换掉默认的垃圾回收器,因为默认的垃圾回收器在多线程环境下会有更多的wait等待
      export HADOOP_OPTS="-server -Xmn256m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70"
     11、复制HADOOP文件
      scp -r /home/ysc/hadoop-1.1.1 ysc@devcluster02:/home/ysc/hadoop-1.1.1
      scp -r /home/ysc/hadoop-1.1.1 ysc@devcluster03:/home/ysc/hadoop-1.1.1
     12、sudo vi /etc/profile
      追加并重启系统:
      export PATH=/home/ysc/hadoop-1.1.1/bin:$PATH
     13、格式化名称节点并启动集群
      hadoop namenode -format
      start-all.sh
     14、cd /home/ysc/workspace/nutch1.5.1/runtime/deploy
      mkdir urls
      echo http://news.163.com > urls/url
      hadoop dfs -put urls urls
      bin/nutch crawl urls -dir data -depth 2 -topN 100 
     15、访问 http://localhost:50030 可以查看 JobTracker 的运行状态。访问 http://localhost:50060 可以查看 TaskTracker 的运行状态。访问 http://localhost:50070 可以查看 NameNode 以及整个分布式文件系统的状态,浏览分布式文件系统中的文件以及 log 等
     16、通过stop-all.sh停止集群
     17、如果NameNode和SecondaryNameNode不在同一台机器上,则在SecondaryNameNode的conf/hdfs-site.xml文件中加入配置:
       <property>
         <name>dfs.http.address</name>
         <value>namenode:50070</value>
       </property>
    七、配置Ganglia监控Hadoop集群和HBase集群
     1、服务器端(安装到master devcluster01上)
      1)、ssh devcluster01
      2)、useradd ganglia -g ganglia
      3)、sudo apt-get install  ganglia-monitor ganglia-webfront gmetad
       //补充:在Ubuntu10.04上,ganglia-webfront这个package名字叫ganglia-webfrontend
       //如果install出错,则运行sudo apt-get update,如果update出错,则删除出错路径
      4)、vi /etc/ganglia/gmond.conf
       先找到setuid = yes,改成setuid =no; 
       在找到cluster块中的name,改成name =”hadoop-cluster”;
      5)、sudo apt-get install rrdtool
      6)、vi /etc/ganglia/gmetad.conf
       在这个配置文件中增加一些datasource,即其他2个被监控的节点,增加以下内容: 
       data_source “hadoop-cluster” devcluster01:8649 devcluster02:8649 devcluster03:8649
       gridname "Hadoop"
     2、数据源端(安装到所有slaves上)
      1)、ssh devcluster02
       useradd ganglia -g ganglia
       sudo apt-get install  ganglia-monitor
       useradd ganglia -g ganglia
      2)、ssh devcluster03
       useradd ganglia -g ganglia
       sudo apt-get install  ganglia-monitor
       useradd ganglia -g ganglia
      3)、ssh devcluster01
       scp /etc/ganglia/gmond.conf devcluster02:/etc/ganglia/gmond.conf
       scp /etc/ganglia/gmond.conf devcluster03:/etc/ganglia/gmond.conf
     3、配置WEB
      1)、ssh devcluster01
      2)、sudo ln -s /usr/share/ganglia-webfrontend /var/www/ganglia
      3)、vi /etc/apache2/apache2.conf
       添加:
       ServerName devcluster01
     4、重启服务
      1)、ssh devcluster02
       sudo /etc/init.d/ganglia-monitor restart
       ssh devcluster03
       sudo /etc/init.d/ganglia-monitor restart
      2)、ssh devcluster01
       sudo /etc/init.d/ganglia-monitor restart
       sudo /etc/init.d/gmetad restart
       sudo /etc/init.d/apache2 restart
     5、访问页面
      http:// devcluster01/ganglia
     6、集成hadoop
      1)、ssh devcluster01
      2)、cd /home/ysc/hadoop-1.1.1
      3)、vi conf/hadoop-metrics2.properties
      # 大于0.20以后的版本用ganglia31  *.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31
      *.sink.ganglia.period=10
      # default for supportsparse is false
      *.sink.ganglia.supportsparse=true
     *.sink.ganglia.slope=jvm.metrics.gcCount=zero,jvm.metrics.memHeapUsedM=both
     *.sink.ganglia.dmax=jvm.metrics.threadsBlocked=70,jvm.metrics.memHeapUsedM=40
      #广播IP地址,这是缺省的,统一设该值(只能用组播地址239.2.11.71)
      namenode.sink.ganglia.servers=239.2.11.71:8649
      datanode.sink.ganglia.servers=239.2.11.71:8649
      jobtracker.sink.ganglia.servers=239.2.11.71:8649
      tasktracker.sink.ganglia.servers=239.2.11.71:8649
      maptask.sink.ganglia.servers=239.2.11.71:8649
      reducetask.sink.ganglia.servers=239.2.11.71:8649
      dfs.class=org.apache.hadoop.metrics.ganglia.GangliaContext31
      dfs.period=10
      dfs.servers=239.2.11.71:8649
      mapred.class=org.apache.hadoop.metrics.ganglia.GangliaContext31
      mapred.period=10
      mapred.servers=239.2.11.71:8649
      jvm.class=org.apache.hadoop.metrics.ganglia.GangliaContext31
      jvm.period=10
      jvm.servers=239.2.11.71:8649
      4)、scp conf/hadoop-metrics2.properties root@devcluster02:/home/ysc/hadoop-1.1.1/conf/hadoop-metrics2.properties
      5)、scp conf/hadoop-metrics2.properties root@devcluster03:/home/ysc/hadoop-1.1.1/conf/hadoop-metrics2.properties
      6)、stop-all.sh
      7)、start-all.sh
     7、集成hbase
      1)、ssh devcluster01
      2)、cd /home/ysc/hbase-0.92.2
      3)、vi conf/hadoop-metrics.properties(只能用组播地址239.2.11.71)
       hbase.extendedperiod = 3600
       hbase.class=org.apache.hadoop.metrics.ganglia.GangliaContext31
       hbase.period=10
       hbase.servers=239.2.11.71:8649
       jvm.class=org.apache.hadoop.metrics.ganglia.GangliaContext31
       jvm.period=10
       jvm.servers=239.2.11.71:8649
       rpc.class=org.apache.hadoop.metrics.ganglia.GangliaContext31
       rpc.period=10
       rpc.servers=239.2.11.71:8649
      4)、scp conf/hadoop-metrics.properties root@devcluster02:/home/ysc/ hbase-0.92.2/conf/hadoop-metrics.properties
      5)、scp conf/hadoop-metrics.properties root@devcluster03:/home/ysc/ hbase-0.92.2/conf/hadoop-metrics.properties
      6)、stop-hbase.sh
      7)、start-hbase.sh
    八、Hadoop配置Snappy压缩
     1、wget http://snappy.googlecode.com/files/snappy-1.0.5.tar.gz
     2、tar -xzvf snappy-1.0.5.tar.gz
     3、cd snappy-1.0.5
     4、./configure
     5、make
     6、make install
     7、scp /usr/local/lib/libsnappy* devcluster01:/home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64/
     scp /usr/local/lib/libsnappy* devcluster02:/home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64/
     scp /usr/local/lib/libsnappy* devcluster03:/home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64/
     8、vi /etc/profile
      追加:
      export LD_LIBRARY_PATH=/home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64
     9、修改mapred-site.xml
      <property>
        <name>mapred.output.compression.type</name>
        <value>BLOCK</value>
        <description>If the job outputs are to compressed as SequenceFiles, how should
            they be compressed? Should be one of NONE, RECORD or BLOCK.
        </description>
      </property>
      <property>
        <name>mapred.output.compress</name>
        <value>true</value>
        <description>Should the job outputs be compressed?
        </description>
      </property>
      <property>
        <name>mapred.compress.map.output</name>
        <value>true</value>
        <description>Should the outputs of the maps be compressed before being
            sent across the network. Uses SequenceFile compression.
        </description>
      </property>
      <property>
        <name>mapred.map.output.compression.codec</name>
        <value>org.apache.hadoop.io.compress.SnappyCodec</value>
        <description>If the map outputs are compressed, how should they be 
            compressed?
        </description>
      </property>
      <property>
        <name>mapred.output.compression.codec</name>
        <value>org.apache.hadoop.io.compress.SnappyCodec</value>
        <description>If the job outputs are compressed, how should they be compressed?
        </description>
      </property>
    九、Hadoop配置Lzo压缩 
     1、wget http://www.oberhumer.com/opensource/lzo/download/lzo-2.06.tar.gz
     2、tar -zxvf lzo-2.06.tar.gz
     3、cd lzo-2.06
     4、./configure --enable-shared
     5、make
     6、make install
     7、scp /usr/local/lib/liblzo2.* devcluster01:/lib/x86_64-linux-gnu
     scp /usr/local/lib/liblzo2.* devcluster02:/lib/x86_64-linux-gnu
     scp /usr/local/lib/liblzo2.* devcluster03:/lib/x86_64-linux-gnu
     8、wget http://hadoop-gpl-compression.apache-extras.org.codespot.com/files/hadoop-gpl-compression-0.1.0-rc0.tar.gz
     9、tar -xzvf hadoop-gpl-compression-0.1.0-rc0.tar.gz
     10、cd hadoop-gpl-compression-0.1.0
     11、cp lib/native/Linux-amd64-64/* /home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64/
     12、cp hadoop-gpl-compression-0.1.0.jar /home/ysc/hadoop-1.1.1/lib/(这里hadoop集群的版本要和compression使用的版本一致)
     13、scp -r /home/ysc/hadoop-1.1.1/lib devcluster02:/home/ysc/hadoop-1.1.1/
     scp -r /home/ysc/hadoop-1.1.1/lib devcluster03:/home/ysc/hadoop-1.1.1/
     14、vi /etc/profile
      追加:
      export LD_LIBRARY_PATH=/home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64
     15、修改core-site.xml
      <property>
        <name>io.compression.codecs</name>
        <value>com.hadoop.compression.lzo.LzoCodec,org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec,org.apache.hadoop.io.compress.SnappyCodec</value>
        <description>A list of the compression codec classes that can be used 
            for compression/decompression.</description>
      </property>
      <property>
        <name>io.compression.codec.lzo.class</name>
        <value>com.hadoop.compression.lzo.LzoCodec</value>
      </property>
      <property>
        <name>fs.trash.interval</name>
        <value>1440</value>
        <description>Number of minutes between trash checkpoints.
        If zero, the trash feature is disabled.
        </description>
      </property>
     16、修改mapred-site.xml
      <property>
        <name>mapred.output.compression.type</name>
        <value>BLOCK</value>
        <description>If the job outputs are to compressed as SequenceFiles, how should
            they be compressed? Should be one of NONE, RECORD or BLOCK.
        </description>
      </property>
      <property>
        <name>mapred.output.compress</name>
        <value>true</value>
        <description>Should the job outputs be compressed?
        </description>
      </property>
      <property>
        <name>mapred.compress.map.output</name>
        <value>true</value>
        <description>Should the outputs of the maps be compressed before being
            sent across the network. Uses SequenceFile compression.
        </description>
      </property>
      <property>
        <name>mapred.map.output.compression.codec</name>
        <value>com.hadoop.compression.lzo.LzoCodec</value>
        <description>If the map outputs are compressed, how should they be 
            compressed?
        </description>
      </property>
      <property>
        <name>mapred.output.compression.codec</name>
        <value>com.hadoop.compression.lzo.LzoCodec</value>
        <description>If the job outputs are compressed, how should they be compressed?
        </description>
      </property>
    十、配置zookeeper集群以运行hbase
     1、ssh devcluster01
     2、cd /home/ysc
     3、wget http://mirror.bjtu.edu.cn/apache/zookeeper/stable/zookeeper-3.4.5.tar.gz
     4、tar -zxvf  zookeeper-3.4.5.tar.gz
     5、cd zookeeper-3.4.5
     6、cp conf/zoo_sample.cfg  conf/zoo.cfg
     7、vi conf/zoo.cfg
      修改:dataDir=/home/ysc/zookeeper
      添加:
       server.1=devcluster01:2888:3888
       server.2=devcluster02:2888:3888 
       server.3=devcluster03:2888:3888
       maxClientCnxns=100
     8、scp -r  zookeeper-3.4.5  devcluster01:/home/ysc
     scp -r  zookeeper-3.4.5  devcluster02:/home/ysc
     scp -r  zookeeper-3.4.5  devcluster03:/home/ysc
     9、分别在三台机器上面执行:
      ssh devcluster01
      mkdir /home/ysc/zookeeper(注:dataDir是zookeeper的数据目录,需要手动创建)
      echo 1 > /home/ysc/zookeeper/myid
      ssh devcluster02
      mkdir /home/ysc/zookeeper
      echo 2 > /home/ysc/zookeeper/myid
      ssh devcluster03
      mkdir /home/ysc/zookeeper
      echo 3 > /home/ysc/zookeeper/myid
     10、分别在三台机器上面执行:
      cd /home/ysc/zookeeper-3.4.5
      bin/zkServer.sh start
      bin/zkCli.sh -server devcluster01:2181 
      bin/zkServer.sh status
    十一、配置Hbase集群以运行nutch-2.1(Region Servers会因为内存的问题宕机)
    1、nutch-2.1使用gora-0.2.1, gora-0.2.1使用hbase-0.90.4,hbase-0.90.4和hadoop-1.1.1不兼容,hbase-0.94.4和gora-0.2.1不兼容,hbase-0.92.2没问题。hbase存在系统时间同步的问题,并且误差要再30s以内。
     sudo apt-get install ntp
     sudo ntpdate -u 210.72.145.44
    2、HBase是数据库,会在同一时间使用很多的文件句柄。大多数linux系统使用的默认值1024是不能满足的。还需要修改 hbase 用户的 nproc,在压力下,如果过低会造成 OutOfMemoryError异常。
     vi /etc/security/limits.conf
     添加:
       ysc soft nproc 32000
       ysc hard nproc 32000
       ysc soft nofile 32768
       ysc hard nofile 32768
     vi /etc/pam.d/common-session
     添加:
       session required  pam_limits.so
     3、登陆master,下载并解压hbase
      ssh devcluster01
      cd /home/ysc
      wget http://apache.etoak.com/hbase/hbase-0.92.2/hbase-0.92.2.tar.gz
      tar -zxvf hbase-0.92.2.tar.gz
      cd hbase-0.92.2
     4、修改配置文件hbase-env.sh
      vi conf/hbase-env.sh
      追加:
      export JAVA_HOME=/home/ysc/jdk1.7.0_05
      export HBASE_MANAGES_ZK=false
      export HBASE_HEAPSIZE=10000
      #替换掉默认的垃圾回收器,因为默认的垃圾回收器在多线程环境下会有更多的wait等待
      export HBASE_OPTS="-server -Xmn256m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70"
     5、修改配置文件hbase-site.xml
      vi conf/hbase-site.xml
      <property>  
       <name>hbase.rootdir</name>  
       <value>hdfs://devcluster01:9000/hbase</value>     
      </property> 
      <property>  
       <name>hbase.cluster.distributed</name>  
       <value>true</value>  
      </property>  
      <property>   
       <name>hbase.zookeeper.quorum</name>        
       <value>devcluster01,devcluster02,devcluster03</value>   
      </property>
      <property>
       <name>hbase.client.scanner.caching</name>
       <value>100</value>
       <description>Number of rows that will be fetched when calling next
       on a scanner if it is not served from (local, client) memory. Higher
       caching values will enable faster scanners but will eat up more memory
       and some calls of next may take longer and longer times when the cache is empty.
       Do not set this value such that the time between invocations is greater
       than the scanner timeout; i.e. hbase.regionserver.lease.period
       </description>
      </property>
      <property>
       <name>hfile.block.cache.size</name>
       <value>0.25</value>
       <description>
        Percentage of maximum heap (-Xmx setting) to allocate to block cache
        used by HFile/StoreFile. Default of 0.25 means allocate 25%.
        Set to 0 to disable but it's not recommended.
       </description>
      </property>
      <property>
       <name>hbase.regionserver.global.memstore.upperLimit</name>
       <value>0.4</value>
       <description>Maximum size of all memstores in a region server before new
         updates are blocked and flushes are forced. Defaults to 40% of heap
       </description>
      </property>
     6、修改配置文件regionservers
      vi conf/regionservers
      devcluster01
      devcluster02
      devcluster03
     7、因为HBase建立在Hadoop之上,Hadoop使用的hadoop*.jar和HBase使用的 必须 一致。所以要将 HBase lib 目录下的hadoop*.jar替换成Hadoop里面的那个,防止版本冲突。
      cp  /home/ysc/hadoop-1.1.1/hadoop-core-1.1.1.jar  /home/ysc/hbase-0.92.2/lib
      rm  /home/ysc/hbase-0.92.2/lib/hadoop-core-1.0.3.jar
     8、复制文件到regionservers
      scp -r /home/ysc/hbase-0.92.2 devcluster01:/home/ysc
      scp -r /home/ysc/hbase-0.92.2 devcluster02:/home/ysc
      scp -r /home/ysc/hbase-0.92.2 devcluster03:/home/ysc 
     9、启动hadoop并创建目录
      hadoop fs -mkdir /hbase
     10、管理HBase集群:
      启动初始 HBase 集群:
       bin/start-hbase.sh
      停止HBase 集群:
       bin/stop-hbase.sh
      启动额外备份主服务器,可以启动到 9 个备份服务器 (总数10 个):
       bin/local-master-backup.sh start 1
       bin/local-master-backup.sh start 2 3
      启动更多 regionservers, 支持到 99 个额外regionservers (总100个):
       bin/local-regionservers.sh start 1
       bin/local-regionservers.sh start 2 3 4 5
      停止备份主服务器: 
       cat /tmp/hbase-ysc-1-master.pid |xargs kill -9
      停止单独 regionserver:
       bin/local-regionservers.sh stop 1
      使用HBase命令行模式: 
       bin/hbase shell
     11、web界面
      http://devcluster01:60010
      http://devcluster01:60030
     12、如运行nutch2.1则方法一:
      cp conf/hbase-site.xml /home/ysc/nutch-2.1/conf
      cd /home/ysc/nutch-2.1
      ant
      cd runtime/deploy
      unzip -d apache-nutch-2.1 apache-nutch-2.1.job
      rm  apache-nutch-2.1.job
      cd apache-nutch-2.1
      rm lib/hbase-0.90.4.jar
      cp /home/ysc/hbase-0.92.2/hbase-0.92.2.jar  lib
      zip -r ../apache-nutch-2.1.job ./*
      cd ..
      rm -r apache-nutch-2.1
     13、如运行nutch2.1则方法二:
      cp conf/hbase-site.xml /home/ysc/nutch-2.1/conf
      cd /home/ysc/nutch-2.1
      cp /home/ysc/hbase-0.92.2/hbase-0.92.2.jar  lib
      ant
      cd runtime/deploy
      zip -d apache-nutch-2.1.job lib/hbase-0.90.4.jar
     启用snappy压缩:
     1、vi conf/gora-hbase-mapping.xml
      在family上面添加属性:compression="SNAPPY"
     2、mkdir /home/ysc/hbase-0.92.2/lib/native/Linux-amd64-64
     3、cp /home/ysc/hadoop-1.1.1/lib/native/Linux-amd64-64/* /home/ysc/hbase-0.92.2/lib/native/Linux-amd64-64
     4、vi /home/ysc/hbase-0.92.2/conf/hbase-site.xml
      增加:
                    <property>
                            <name>hbase.regionserver.codecs</name>
                            <value>snappy</value>
                    </property>
     
    十二、配置Accumulo集群以运行nutch-2.1(gora存在BUG)
     1、wget http://apache.etoak.com/accumulo/1.4.2/accumulo-1.4.2-dist.tar.gz
     2、tar -xzvf accumulo-1.4.2-dist.tar.gz
     3、cd accumulo-1.4.2
     4、cp conf/examples/3GB/standalone/* conf
     5、vi conf/accumulo-env.sh
      export HADOOP_HOME=/home/ysc/cluster3
      export ZOOKEEPER_HOME=/home/ysc/zookeeper-3.4.5
      export JAVA_HOME=/home/jdk1.7.0_01
      export ACCUMULO_HOME=/home/ysc/accumulo-1.4.2
     6、vi conf/slaves
      devcluster01
      devcluster02
      devcluster03
     7、vi conf/masters
      devcluster01
     8、vi conf/accumulo-site.xml
      <property>
        <name>instance.zookeeper.host</name>
        <value>host6:2181,host8:2181</value>
        <description>comma separated list of zookeeper servers</description>
      </property>
      <property>
        <name>logger.dir.walog</name>
        <value>walogs</value>
        <description>The directory used to store write-ahead logs on the local filesystem. It is possible to specify a comma-separated list of directories.</description>
      </property>
      <property>
        <name>instance.secret</name>
        <value>ysc</value>
        <description>A secret unique to a given instance that all servers must know in order to communicate with one another.
            Change it before initialization. To change it later use ./bin/accumulo org.apache.accumulo.server.util.ChangeSecret [oldpasswd] [newpasswd],
            and then update this file.
        </description>
      </property>
      <property>
        <name>tserver.memory.maps.max</name>
        <value>3G</value>
      </property>
      <property>
        <name>tserver.cache.data.size</name>
        <value>50M</value>
      </property>
      <property>
        <name>tserver.cache.index.size</name>
        <value>512M</value>
      </property>
      <property>
        <name>trace.password</name>
        <!--
       change this to the root user's password, and/or change the user below
         -->
        <value>ysc</value>
      </property>
      <property>
        <name>trace.user</name>
        <value>root</value>
      </property>
     9、bin/accumulo init
     10、bin/start-all.sh
     11、bin/stop-all.sh
     12、web访问:http://devcluster01:50095/
     修改nutch2.1:
     1、cd  /home/ysc/nutch-2.1
     2、vi  conf/gora.properties
      增加:
      gora.datastore.default=org.apache.gora.accumulo.store.AccumuloStore
      gora.datastore.accumulo.mock=false
      gora.datastore.accumulo.instance=accumulo
      gora.datastore.accumulo.zookeepers=host6,host8
      gora.datastore.accumulo.user=root
      gora.datastore.accumulo.password=ysc
     3、vi  conf/nutch-site.xml
      增加:
      <property>
        <name>storage.data.store.class</name>
        <value>org.apache.gora.accumulo.store.AccumuloStore</value>
      </property>
     4、vi ivy/ivy.xml
      增加:
      <dependency org="org.apache.gora" name="gora-accumulo" rev="0.2.1" conf="*->default" />
     5、升级accumulo
      cp /home/ysc/accumulo-1.4.2/lib/accumulo-core-1.4.2.jar  /home/ysc/nutch-2.1/lib
      cp /home/ysc/accumulo-1.4.2/lib/accumulo-start-1.4.2.jar  /home/ysc/nutch-2.1/lib
      cp /home/ysc/accumulo-1.4.2/lib/cloudtrace-1.4.2.jar  /home/ysc/nutch-2.1/lib
     6、ant
     7、cd runtime/deploy
     8、删除旧jar
      zip -d apache-nutch-2.1.job lib/accumulo-core-1.4.0.jar
      zip -d apache-nutch-2.1.job lib/accumulo-start-1.4.0.jar
      zip -d apache-nutch-2.1.job lib/cloudtrace-1.4.2.jar
    十三、配置Cassandra 集群以运行nutch-2.1(Cassandra 采用去中心化结构)
     1、vi /etc/hosts(注意:需要登录到每一台机器上面,将localhost解析到实际地址)
      192.168.1.1       localhost
     2、wget http://labs.mop.com/apache-mirror/cassandra/1.2.0/apache-cassandra-1.2.0-bin.tar.gz
     3、tar -xzvf  apache-cassandra-1.2.0-bin.tar.gz
     4、cd apache-cassandra-1.2.0
     5、vi conf/cassandra-env.sh
      增加:
      MAX_HEAP_SIZE="4G"
      HEAP_NEWSIZE="800M"
     6、vi conf/log4j-server.properties
      修改:
      log4j.appender.R.File=/home/ysc/cassandra/system.log
     7、vi conf/cassandra.yaml
      修改:
      cluster_name: 'Cassandra  Cluster'
      data_file_directories:
          - /home/ysc/cassandra/data
      commitlog_directory: /home/ysc/cassandra/commitlog
      saved_caches_directory: /home/ysc/cassandra/saved_caches
      - seeds: "192.168.1.1"
      listen_address: 192.168.1.1
      rpc_address: 192.168.1.1
      thrift_framed_transport_size_in_mb: 1023
      thrift_max_message_length_in_mb: 1024
     8、vi bin/stop-server
      增加:
      user=`whoami`
      pgrep -u $user -f cassandra | xargs kill -9
     9、复制cassandra到其他节点:
      cd ..
      scp -r apache-cassandra-1.2.0 devcluster02:/home/ysc
      scp -r apache-cassandra-1.2.0 devcluster03:/home/ysc
      分别在devcluster02和devcluster03上面修改:
      vi conf/cassandra.yaml
       listen_address: 192.168.1.2
       rpc_address: 192.168.1.2
      vi conf/cassandra.yaml
       listen_address: 192.168.1.3
       rpc_address: 192.168.1.3
     10、分别在3个节点上面运行
      bin/cassandra
      bin/cassandra -f   参数 -f 的作用是让 Cassandra 以前端程序方式运行,这样有利于调试和观察日志信息,而在实际生产环境中这个参数是不需要的(即 Cassandra 会以 daemon 方式运行)
     11、bin/nodetool -host devcluster01 ring
            bin/nodetool -host devcluster01 info
     12、bin/stop-server
     13、bin/cassandra-cli
     修改nutch2.1:
     1、cd  /home/ysc/nutch-2.1
     2、vi  conf/gora.properties
      增加:
      gora.cassandrastore.servers=host2:9160,host6:9160,host8:9160
     3、vi  conf/nutch-site.xml
      增加:
      <property>
        <name>storage.data.store.class</name>
        <value>org.apache.gora.cassandra.store.CassandraStore</value>
      </property>
     4、vi ivy/ivy.xml
      增加:
      <dependency org="org.apache.gora" name="gora-cassandra" rev="0.2.1" conf="*->default" />
     5、升级cassandra
      cp /home/ysc/apache-cassandra-1.2.0/lib/apache-cassandra-1.2.0.jar  /home/ysc/nutch-2.1/lib
      cp /home/ysc/apache-cassandra-1.2.0/lib/apache-cassandra-thrift-1.2.0.jar  /home/ysc/nutch-2.1/lib
      cp /home/ysc/apache-cassandra-1.2.0/lib/jline-1.0.jar  /home/ysc/nutch-2.1/lib
     6、ant
     7、cd runtime/deploy
     8、删除旧jar
      zip -d apache-nutch-2.1.job lib/cassandra-thrift-1.1.2.jar
      zip -d apache-nutch-2.1.job lib/jline-0.9.1.jar
    十四、配置MySQL 单机服务器以运行nutch-2.1
     1、apt-get install mysql-server mysql-client
     2、vi /etc/mysql/my.cnf
      修改:
      bind-address            = 221.194.43.2
      在[client]下增加:
      default-character-set=utf8
      在[mysqld]下增加:
      default-character-set=utf8
     3、mysql –uroot –pysc
      SHOW VARIABLES LIKE '%character%';
     4、service mysql restart
     5、mysql –uroot –pysc
      GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "ysc";
     6、vi conf/gora-sql-mapping.xml
      修改字段的长度
      <primarykey column="id" length="333"/>
      <field name="content" column="content" />
      <field name="text" column="text" length="19892"/>
     7、启动nutch之后登陆mysql
       ALTER TABLE webpage MODIFY COLUMN content MEDIUMBLOB;
       ALTER TABLE webpage MODIFY COLUMN text MEDIUMTEXT;
       ALTER TABLE webpage MODIFY COLUMN title MEDIUMTEXT;
       ALTER TABLE webpage MODIFY COLUMN reprUrl MEDIUMTEXT;
       ALTER TABLE webpage MODIFY COLUMN baseUrl MEDIUMTEXT;
       ALTER TABLE webpage MODIFY COLUMN typ MEDIUMTEXT;
       ALTER TABLE webpage MODIFY COLUMN inlinks MEDIUMBLOB;
       ALTER TABLE webpage MODIFY COLUMN outlinks MEDIUMBLOB;
     修改nutch2.1:
     1、cd  /home/ysc/nutch-2.1
     2、vi  conf/gora.properties
      增加:
       gora.sqlstore.jdbc.driver=com.mysql.jdbc.Driver
     gora.sqlstore.jdbc.url=jdbc:mysql://host2:3306/nutch?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf8
      gora.sqlstore.jdbc.user=root
      gora.sqlstore.jdbc.password=ysc
     3、vi  conf/nutch-site.xml
      增加:
      <property>
        <name>storage.data.store.class</name>
        <value>org.apache.gora.sql.store.SqlStore </value>
      </property>
      <property>
        <name>encodingdetector.charset.min.confidence</name>
        <value>1</value>
        <description>A integer between 0-100 indicating minimum confidence value
        for charset auto-detection. Any negative value disables auto-detection.
        </description>
      </property>
     4、vi ivy/ivy.xml
      增加:
      <dependency org="mysql" name="mysql-connector-java" rev="5.1.18" conf="*->default"/>
    十五、nutch2.1 使用DataFileAvroStore作为数据源
     1、cd  /home/ysc/nutch-2.1
     2、vi  conf/gora.properties
      增加:
      gora.datafileavrostore.output.path=datafileavrostore
      gora.datafileavrostore.input.path=datafileavrostore
     3、vi  conf/nutch-site.xml
      增加:
      <property>
        <name>storage.data.store.class</name>
        <value>org.apache.gora.avro.store.DataFileAvroStore</value>
      </property>
      <property>
        <name>encodingdetector.charset.min.confidence</name>
        <value>1</value>
        <description>A integer between 0-100 indicating minimum confidence value
        for charset auto-detection. Any negative value disables auto-detection.
        </description>
      </property>
     
    十六、nutch2.1 使用AvroStore作为数据源
     1、cd  /home/ysc/nutch-2.1
     2、vi  conf/gora.properties
      增加:
      gora.avrostore.codec.type=BINARY
      gora.avrostore.input.path=avrostore
      gora.avrostore.output.path=avrostore
     3、vi  conf/nutch-site.xml
      增加:
      <property>
        <name>storage.data.store.class</name>
        <value>org.apache.gora.avro.store.AvroStore</value>
      </property>
      <property>
        <name>encodingdetector.charset.min.confidence</name>
        <value>1</value>
        <description>A integer between 0-100 indicating minimum confidence value
        for charset auto-detection. Any negative value disables auto-detection.
        </description>
      </property>
     
    十七、配置SOLR 
     配置tomcat:
     1、wget http://www.fayea.com/apache-mirror/tomcat/tomcat-7/v7.0.35/bin/apache-tomcat-7.0.35.tar.gz
     2、tar -xzvf apache-tomcat-7.0.35.tar.gz
     3、cd apache-tomcat-7.0.35
     4、vi conf/server.xml
     增加URIEncoding="UTF-8":
      <Connector port="8080" protocol="HTTP/1.1"
           connectionTimeout="20000"
           redirectPort="8443" URIEncoding="UTF-8"/>
     5、mkdir conf/Catalina
     6、mkdir conf/Catalina/localhost
     7、vi conf/Catalina/localhost/solr.xml
     增加:
      <Context path="/solr">
       <Environment name="solr/home" type="java.lang.String" value="/home/ysc/solr/configuration/" override="false"/>
      </Context>
     8、cd ..
     下载SOLR:
     1、wget http://mirrors.tuna.tsinghua.edu.cn/apache/lucene/solr/4.1.0/solr-4.1.0.tgz
     2、tar -xzvf solr-4.1.0.tgz
     复制资源:
     1、mkdir /home/ysc/solr
     2、cp -r solr-4.1.0/example/solr  /home/ysc/solr/configuration
     3、unzip solr-4.1.0/example/webapps/solr.war -d /home/ysc/apache-tomcat-7.0.35/webapps/solr
     配置nutch:
     1、复制schema:
      cp /home/ysc/nutch-1.6/conf/schema-solr4.xml /home/ysc/solr/configuration/collection1/conf/schema.xml
     2、vi /home/ysc/solr/configuration/collection1/conf/schema.xml
      在<fields>下增加:
      <field name="_version_" type="long" indexed="true" stored="true"/>
     配置中文分词:
     1、wget http://mmseg4j.googlecode.com/files/mmseg4j-1.9.1.v20130120-SNAPSHOT.zip
     2、unzip mmseg4j-1.9.1.v20130120-SNAPSHOT.zip
     3、cp mmseg4j-1.9.1-SNAPSHOT/dist/* /home/ysc/apache-tomcat-7.0.35/webapps/solr/WEB-INF/lib
     4、unzip mmseg4j-1.9.1-SNAPSHOT/dist/mmseg4j-core-1.9.1-SNAPSHOT.jar -d  mmseg4j-1.9.1-SNAPSHOT/dist/mmseg4j-core-1.9.1-SNAPSHOT
     5、mkdir /home/ysc/dic
     6、cp   mmseg4j-1.9.1-SNAPSHOT/dist/mmseg4j-core-1.9.1-SNAPSHOT/data/* /home/ysc/dic
     7、vi /home/ysc/solr/configuration/collection1/conf/schema.xml
      将文件中的
      <tokenizer class="solr.WhitespaceTokenizerFactory"/>
      和
      <tokenizer class="solr.StandardTokenizerFactory"/>
      替换为
      <tokenizer class="com.chenlb.mmseg4j.solr.MMSegTokenizerFactory" mode="complex" dicPath="/home/ysc/dic"/>
     配置tomcat本地库:
     1、wget http://apache.spd.co.il/apr/apr-1.4.6.tar.gz
     2、tar -xzvf apr-1.4.6.tar.gz
     3、cd apr-1.4.6
     4、./configure
     5、make
     6、make  install
     1、wget http://mirror.bjtu.edu.cn/apache/apr/apr-util-1.5.1.tar.gz
     2、tar -xzvf apr-util-1.5.1.tar.gz
     3、cd apr-util-1.5.1
     4、./configure --with-apr=/usr/local/apr
     5、make
     6、make  install
     1、wget http://mirror.bjtu.edu.cn/apache//tomcat/tomcat-connectors/native/1.1.24/source/tomcat-native-1.1.24-src.tar.gz
     2、tar -zxvf tomcat-native-1.1.24-src.tar.gz
     3、cd tomcat-native-1.1.24-src/jni/native
     4、./configure --with-apr=/usr/local/apr \
                    --with-java-home=/home/ysc/jdk1.7.0_01 \
                    --with-ssl=no \
                    --prefix=/home/ysc/apache-tomcat-7.0.35
     5、make
     6、make  install
     7、vi /etc/profile
     增加:
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/ysc/apache-tomcat-7.0.35/lib:/usr/local/apr/lib
     8、source /etc/profile
     启动tomcat:
     cd apache-tomcat-7.0.35
     bin/catalina.sh start
     http://devcluster01:8080/solr/
    十八、Nagios监控
     服务端:
     1、apt-get install apache2 nagios3 nagios-nrpe-plugin
      输入密码:nagiosadmin
     2、apt-get install nagios3-doc
     3、vi /etc/nagios3/conf.d/hostgroups_nagios2.cfg
       define hostgroup {
         hostgroup_name  nagios-servers
         alias           nagios servers
         members         devcluster01,devcluster02,devcluster03
       }
     4、cp  /etc/nagios3/conf.d/localhost_nagios2.cfg /etc/nagios3/conf.d/devcluster01_nagios2.cfg
      vi /etc/nagios3/conf.d/devcluster01_nagios2.cfg
      替换:
       g/localhost/s//devcluster01/g
       g/127.0.0.1/s//192.168.1.1/g
     5、cp  /etc/nagios3/conf.d/localhost_nagios2.cfg /etc/nagios3/conf.d/devcluster02_nagios2.cfg
      vi /etc/nagios3/conf.d/devcluster02_nagios2.cfg
      替换:
       g/localhost/s//devcluster02/g
       g/127.0.0.1/s//192.168.1.2/g
     6、cp  /etc/nagios3/conf.d/localhost_nagios2.cfg /etc/nagios3/conf.d/devcluster03_nagios2.cfg
      vi /etc/nagios3/conf.d/devcluster03_nagios2.cfg
      替换:
       g/localhost/s//devcluster03/g
       g/127.0.0.1/s//192.168.1.3/g
     7、vi /etc/nagios3/conf.d/services_nagios2.cfg
      将hostgroup_name改为nagios-servers
      增加:
       # check that web services are running
       define service {
         hostgroup_name                  nagios-servers
         service_description             HTTP
         check_command                   check_http
         use                             generic-service
         notification_interval           0 ; set > 0 if you want to be renotified
       }
       # check that ssh services are running
       define service {
         hostgroup_name                  nagios-servers
         service_description             SSH
         check_command                   check_ssh
         use                             generic-service
         notification_interval           0 ; set > 0 if you want to be renotified
       }
     8、vi /etc/nagios3/conf.d/extinfo_nagios2.cfg
      将hostgroup_name改为nagios-servers
      增加:
       define hostextinfo{
         hostgroup_name   nagios-servers
         notes            nagios-servers
       #       notes_url        http://webserver.localhost.localdomain/hostinfo.pl?host=netware1
         icon_image       base/debian.png
         icon_image_alt   Debian GNU/Linux
         vrml_image       debian.png
         statusmap_image  base/debian.gd2
         }
     9、sudo /etc/init.d/nagios3 restart
     10、访问http://devcluster01/nagios3/
      用户名:nagiosadmin密码:nagiosadmin
     监控端:
     1、apt-get install nagios-nrpe-server
     2、vi /etc/nagios/nrpe.cfg
      替换:
      g/127.0.0.1/s//192.168.1.1/g
     3、sudo /etc/init.d/nagios-nrpe-server restart
    十九、配置Splunk
     1、wget http://download.splunk.com/releases/5.0.2/splunk/linux/splunk-5.0.2-149561-Linux-x86_64.tgz
     2、tar -zxvf splunk-5.0.2-149561-Linux-x86_64.tgz
     3、cd splunk
     4、bin/splunk start --answer-yes --no-prompt --accept-license
     5、访问http://devcluster01:8000
      用户名:admin 密码:changeme
     6、添加数据 -> 从 UDP 端口 -> UDP 端口 *: 1688 -> 来源类型 从列表 log4j -> 保存
     7、配置hadoop
      vi /home/ysc/hadoop-1.1.1/conf/log4j.properties
      修改:
       log4j.rootLogger=${hadoop.root.logger}, EventCounter, SYSLOG
      增加:
       log4j.appender.SYSLOG=org.apache.log4j.net.SyslogAppender  
       log4j.appender.SYSLOG.facility=local1  
       log4j.appender.SYSLOG.layout=org.apache.log4j.PatternLayout  
       log4j.appender.SYSLOG.layout.ConversionPattern=%p %c{2}: %m%n  
       log4j.appender.SYSLOG.SyslogHost=host6:1688 
       log4j.appender.SYSLOG.threshold=INFO  
       log4j.appender.SYSLOG.Header=true 
       log4j.appender.SYSLOG.FacilityPrinting=true  
     8、配置hbase
      vi /home/ysc/hbase-0.92.2/conf/log4j.properties
      修改:
       log4j.rootLogger=${hbase.root.logger},SYSLOG
      增加:
       log4j.appender.SYSLOG=org.apache.log4j.net.SyslogAppender  
       log4j.appender.SYSLOG.facility=local1  
       log4j.appender.SYSLOG.layout=org.apache.log4j.PatternLayout  
       log4j.appender.SYSLOG.layout.ConversionPattern=%p %c{2}: %m%n  
       log4j.appender.SYSLOG.SyslogHost=host6:1688 
       log4j.appender.SYSLOG.threshold=INFO  
       log4j.appender.SYSLOG.Header=true 
       log4j.appender.SYSLOG.FacilityPrinting=true
     9、配置nutch
      vi /home/lanke/ysc/nutch-2.1-hbase/conf/log4j.properties
      修改:
       log4j.rootLogger=INFO,DRFA,SYSLOG
      增加:
       log4j.appender.SYSLOG=org.apache.log4j.net.SyslogAppender  
       log4j.appender.SYSLOG.facility=local1  
       log4j.appender.SYSLOG.layout=org.apache.log4j.PatternLayout  
       log4j.appender.SYSLOG.layout.ConversionPattern=%p %c{2}: %m%n  
       log4j.appender.SYSLOG.SyslogHost=host6:1688 
       log4j.appender.SYSLOG.threshold=INFO  
       log4j.appender.SYSLOG.Header=true 
       log4j.appender.SYSLOG.FacilityPrinting=true
     10、启动hadoop和hbase
      start-all.sh
      start-hbase.sh
    二十、配置Pig
     1、wget http://labs.mop.com/apache-mirror/pig/pig-0.11.0/pig-0.11.0.tar.gz
     2、tar -xzvf pig-0.11.0.tar.gz
     3、cd pig-0.11.0
     4、vi /etc/profile
      增加:
      export PIG_HOME=/home/ysc/pig-0.11.0
      export PATH=$PIG_HOME/bin:$PATH
     5、source /etc/profile
     6、cp conf/log4j.properties.template conf/log4j.properties
     7、vi conf/log4j.properties
     8、pig
    二十一、配置Hive
     1、wget http://mirrors.cnnic.cn/apache/hive/hive-0.10.0/hive-0.10.0.tar.gz
     2、tar -xzvf hive-0.10.0.tar.gz
     3、cd hive-0.10.0
     4、vi /etc/profile
      增加:
      export HIVE_HOME=/home/ysc/hive-0.10.0
      export PATH=$HIVE_HOME/bin:$PATH
     5、source /etc/profile
     6、cp conf/hive-log4j.properties.template conf/hive-log4j.properties
     7、vi conf/hive-log4j.properties
      替换:
      log4j.appender.EventCounter=org.apache.hadoop.metrics.jvm.EventCounter
      为:
      log4j.appender.EventCounter=org.apache.hadoop.log.metrics.EventCounter

    二十二、配置Hadoop2.x集群
     1、wget http://labs.mop.com/apache-mirror/hadoop/common/hadoop-2.0.2-alpha/hadoop-2.0.2-alpha.tar.gz
     2、tar -xzvf hadoop-2.0.2-alpha.tar.gz
     3、cd hadoop-2.0.2-alpha
     4、vi etc/hadoop/hadoop-env.sh
      追加:
    export JAVA_HOME=/home/ysc/jdk1.7.0_05
      export HADOOP_HEAPSIZE=2000
     5、vi etc/hadoop/core-site.xml
      <property>
       <name>fs.defaultFS</name>
       <value>hdfs://devcluster01:9000</value>
       <description>
          Where to find the Hadoop Filesystem through the network. 
          Note 9000 is not the default port.
          (This is slightly changed from previous versions which didnt have "hdfs")
       </description>
       </property>
       <property>
        <name>io.file.buffer.size</name>
        <value>131072</value>
        <description>The size of buffer for use in sequence files.
        The size of this buffer should probably be a multiple of hardware
        page size (4096 on Intel x86), and it determines how much data is
        buffered during read and write operations.</description>
      </property>
     6、vi etc/hadoop/mapred-site.xml
      <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
      </property>
      <property>
        <name>mapred.job.reduce.input.buffer.percent</name>
        <value>1</value>
        <description>The percentage of memory- relative to the maximum heap size- to
        retain map outputs during the reduce. When the shuffle is concluded, any
        remaining map outputs in memory must consume less than this threshold before
        the reduce can begin.
        </description>
      </property>
      <property>
        <name>mapred.job.shuffle.input.buffer.percent</name>
        <value>1</value>
        <description>The percentage of memory to be allocated from the maximum heap
        size to storing map outputs during the shuffle.
        </description>
      </property>
      <property>
        <name>mapred.inmem.merge.threshold</name>
        <value>0</value>
        <description>The threshold, in terms of the number of files 
        for the in-memory merge process. When we accumulate threshold number of files
        we initiate the in-memory merge and spill to disk. A value of 0 or less than
        0 indicates we want to DON'T have any threshold and instead depend only on
        the ramfs's memory consumption to trigger the merge.
        </description>
      </property>
      <property>
        <name>io.sort.factor</name>
        <value>100</value>
        <description>The number of streams to merge at once while sorting
        files.  This determines the number of open file handles.</description>
      </property>
      <property>
        <name>io.sort.mb</name>
        <value>240</value>
        <description>The total amount of buffer memory to use while sorting 
        files, in megabytes.  By default, gives each merge stream 1MB, which
        should minimize seeks.</description>
      </property>
        <property>
          <name>mapred.map.output.compression.codec</name>
          <value>org.apache.hadoop.io.compress.SnappyCodec</value>
          <description>If the map outputs are compressed, how should they be 
              compressed?
          </description>
        </property>
        <property>
          <name>mapred.output.compression.codec</name>
          <value>org.apache.hadoop.io.compress.SnappyCodec</value>
          <description>If the job outputs are compressed, how should they be compressed?
          </description>
        </property>
      <property>
        <name>mapred.output.compression.type</name>
        <value>BLOCK</value>
        <description>If the job outputs are to compressed as SequenceFiles, how should
            they be compressed? Should be one of NONE, RECORD or BLOCK.
        </description>
      </property>
      <property> 
        <name>mapred.child.java.opts</name>
        <value>-Xmx2000m</value>
      </property>
      <property>
        <name>mapred.output.compress</name>
        <value>true</value>
        <description>Should the job outputs be compressed?
        </description>
      </property>
      <property>
        <name>mapred.compress.map.output</name>
        <value>true</value>
        <description>Should the outputs of the maps be compressed before being
            sent across the network. Uses SequenceFile compression.
        </description>
      </property>
      <property> 
        <name>mapred.tasktracker.map.tasks.maximum</name>
        <value>5</value>
      </property>
      <property> 
        <name>mapred.map.tasks</name>
        <value>15</value>
      </property>
      <property> 
        <name>mapred.tasktracker.reduce.tasks.maximum</name>
        <value>5</value>
       <description>
       define mapred.map tasks to be number of slave hosts.the best number is the  number of slave hosts plus the core numbers of per host
       </description> 
      </property>
      <property> 
        <name>mapred.reduce.tasks</name>
        <value>15</value>
        <description>
       define mapred.reduce tasks to be number of slave hosts.the best number is the  number of slave hosts plus the core numbers of per host
        </description> 
      </property> 
      <property>
        <name>mapred.system.dir</name>
        <value>/home/ysc/mapreduce/system</value>
      </property>
      <property>
        <name>mapred.local.dir</name>
        <value>/home/ysc/mapreduce/local</value>
      </property>
      <property>
        <name>mapreduce.job.counters.max</name>
        <value>12000</value>
        <description>Limit on the number of counters allowed per job.
        </description>
      </property>
     7、vi etc/hadoop/yarn-site.xml
      <property>    
        <name>yarn.resourcemanager.resource-tracker.address</name>   
        <value>devcluster01:8031</value> 
       </property>   
       <property>  
        <name>yarn.resourcemanager.address</name>     
        <value>devcluster01:8032</value>  
       </property> 
       <property>    
        <name>yarn.resourcemanager.scheduler.address</name>  
        <value>devcluster01:8030</value> 
       </property>
       <property>  
        <name>yarn.resourcemanager.admin.address</name>  
        <value>devcluster01:8033</value>   
       </property>   
       <property>    
        <name>yarn.resourcemanager.webapp.address</name>    
        <value>devcluster01:8088</value>  
       </property>  
       <property>   
        <description>Classpath for typical applications.</description> 
        <name>yarn.application.classpath</name>  
        <value>       
        $HADOOP_CONF_DIR,      
        $HADOOP_COMMON_HOME/*,$HADOOP_COMMON_HOME/lib/*,    
        $HADOOP_HDFS_HOME/*,$HADOOP_HDFS_HOME/lib/*,       
        $HADOOP_MAPRED_HOME/*,$HADOOP_MAPRED_HOME/lib/*,   
        $YARN_HOME/*,$YARN_HOME/lib/*   
        </value>  
       </property>
       <property>  
        <name>yarn.nodemanager.aux-services</name>  
        <value>mapreduce.shuffle</value>  
       </property>   
       <property>    
        <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>  
        <value>org.apache.hadoop.mapred.ShuffleHandler</value>  
       </property>  
       <property>   
        <name>yarn.nodemanager.local-dirs</name>     <value>/home/ysc/h2/data/1/yarn/local,/home/ysc/h2/data/2/yarn/local,/home/ysc/h2/data/3/yarn/local</value>  
       </property>
       <property> 
        <name>yarn.nodemanager.log-dirs</name>      <value>/home/ysc/h2/data/1/yarn/logs,/home/ysc/h2/data/2/yarn/logs,/home/ysc/h2/data/3/yarn/logs</value>  
       </property>  
       <property>   
        <description>Where to aggregate logs</description> 
        <name>yarn.nodemanager.remote-app-log-dir</name>    
        <value>/home/ysc/h2/var/log/hadoop-yarn/apps</value> 
       </property>    
       <property>    
        <name>mapreduce.jobhistory.address</name>   
        <value>devcluster01:10020</value> 
       </property>   
       <property>    
        <name>mapreduce.jobhistory.webapp.address</name>   
        <value>devcluster01:19888</value> 
       </property>   
     8、vi etc/hadoop/hdfs-site.xml
      <property>  
       <name>dfs.permissions.superusergroup</name>  
       <value>root</value> 
      </property>
      <property>
        <name>dfs.name.dir</name>
        <value>/home/ysc/dfs/filesystem/name</value>
      </property>
      <property>
        <name>dfs.data.dir</name>
        <value>/home/ysc/dfs/filesystem/data</value>
      </property>
      <property>
        <name>dfs.replication</name>
        <value>3</value>
      </property>
      <property>
        <name>dfs.block.size</name>
        <value>6710886400</value>
        <description>The default block size for new files.</description>
      </property>
     9、启动hadoop
      bin/hdfs namenode -format
      sbin/start-dfs.sh
      sbin/start-yarn.sh
     10、访问管理页面
      http://devcluster01:8088
      http://devcluster01:50070
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  • 原文地址:https://www.cnblogs.com/likai198981/p/2955921.html
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