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<p>在hadoop的基础安装hive，我在node-1上面安装hive</p>
<h3 id="准备工作"><a href="#准备工作" class="headerlink" title="准备工作"></a>准备工作</h3><ul>
<li>hadoop环境</li>
<li>Mysql服务</li>
</ul>
<h3 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line">tar xvf apache-hive-3.1.2-bin.tar.gz</span><br><span class="line">mv apache-hive-3.1.2 /usr/<span class="built_in">local</span>/hive</span><br><span class="line"></span><br><span class="line">cat >> /etc/profile << <span class="string">"EOF"</span></span><br><span class="line"><span class="built_in">export</span> HIVE_HOME=/usr/<span class="built_in">local</span>/hive</span><br><span class="line"><span class="built_in">export</span> PATH=<span class="variable">$PATH</span>:<span class="variable">$HIVE_HOME</span>/bin</span><br><span class="line">EOF</span><br><span class="line"></span><br><span class="line"><span class="built_in">source</span> /etc/profile</span><br></pre></td></tr></table></figure>
<h3 id="配置"><a href="#配置" class="headerlink" title="配置"></a>配置</h3><p>hive的主要配置目录在: /usr/local/hive/conf</p>
<h4 id="hive-env-sh"><a href="#hive-env-sh" class="headerlink" title="hive-env.sh"></a>hive-env.sh</h4><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">cp hive-env.sh.template hive-env.sh</span><br></pre></td></tr></table></figure>
<p>修改配置</p>
<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">HADOOP_HOME=/usr/local/hadoop</span><br><span class="line">export HIVE_CONF_DIR=/usr/local/hive/conf</span><br></pre></td></tr></table></figure>
<h4 id="hive-site-xml"><a href="#hive-site-xml" class="headerlink" title="hive-site.xml"></a>hive-site.xml</h4><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">cp hive-default.xml.template hive-site.xml</span><br><span class="line">mkdir /usr/<span class="built_in">local</span>/hive/tmp -p</span><br></pre></td></tr></table></figure>
<p>修改hive-site.xml</p>
<ul>
<li>删除 ‘&#8’</li>
<li>把 ${system:java.io.tmpdir} 修改成 /usr/local/apache-hive-3.1.2-bin/tmp；修改的操作命令如下（采用的vim全局替换命令）：%s/${system:java.io.tmpdir}//usr/local/apache-hive-3.1.2-bin/tmp/g；</li>
<li>把 {system:user.name} 修改成 {user.name}；修改的操作命令如下（采用的vim全局替换命令）：%s/{system:user.name}/{user.name}/g；</li>
</ul>
<p>修改数据库连接配置</p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>javax.jdo.option.ConnectionURL<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>jdbc:mysql://localhost:3306/hive?characterEncoding=UTF-8&amp;createDatabaseIfNotExist=true<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span><span class="tag"></<span class="name">description</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>javax.jdo.option.ConnectionDriverName<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>com.mysql.jdbc.Driver<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span><span class="tag"></<span class="name">description</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>javax.jdo.option.ConnectionUserName<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>root<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>javax.jdo.option.ConnectionPassword<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>******<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br></pre></td></tr></table></figure>
<p>修改hive-jdbc连接配置</p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>hive.server2.thrift.port<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>10000<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>hive.server2.thrift.bind.host<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>0.0.0.0<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br></pre></td></tr></table></figure>
<p>修改客户端连接认证方式</p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>hive.server2.authentication<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>NOSASL<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"><span class="tag"></<span class="name">property</span>></span></span><br></pre></td></tr></table></figure>
<h3 id="添加Mysql连接驱动"><a href="#添加Mysql连接驱动" class="headerlink" title="添加Mysql连接驱动"></a>添加Mysql连接驱动</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">rpm -ivh mysql-connector-java-8.0.18-1.el7.noarch.rpm</span><br><span class="line">cp /usr/share/java/mysql-connector-java.jar /usr/<span class="built_in">local</span>/hive/lib/</span><br></pre></td></tr></table></figure>
<h3 id="更新guava-jar包"><a href="#更新guava-jar包" class="headerlink" title="更新guava.jar包"></a>更新guava.jar包</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">cp /usr/<span class="built_in">local</span>/hadoop/share/hadoop/hdfs/lib/guava-27.0-jre.jar /usr/<span class="built_in">local</span>/hive/lib/</span><br><span class="line">rm -f /usr/<span class="built_in">local</span>/hive/lib/guava-19.0.jar</span><br></pre></td></tr></table></figure>
<h3 id="初始化元数据"><a href="#初始化元数据" class="headerlink" title="初始化元数据"></a>初始化元数据</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">schematool -dbType mysql -initSchema --verbose</span><br></pre></td></tr></table></figure>
<h3 id="启动hive"><a href="#启动hive" class="headerlink" title="启动hive"></a>启动hive</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">cd</span> /usr/<span class="built_in">local</span>/hive</span><br><span class="line">./bin/hive --service metastore &</span><br><span class="line">./bin/hive --service hiveserver2 &</span><br></pre></td></tr></table></figure>
<h3 id="测试"><a href="#测试" class="headerlink" title="测试"></a>测试</h3><h4 id="创建表"><a href="#创建表" class="headerlink" title="创建表"></a>创建表</h4><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">create external table <span class="keyword">if</span> not exists testExtNew(</span><br><span class="line">name string,</span><br><span class="line">addr string</span><br><span class="line">)</span><br><span class="line">row format delimited fields terminated by <span class="string">'\t'</span> </span><br><span class="line">lines terminated by <span class="string">'\n'</span> </span><br><span class="line">stored as textfile</span><br><span class="line">location <span class="string">'/wisp/test/'</span>;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line">select * from testExtNew;</span><br></pre></td></tr></table></figure>
<h4 id="上传数据"><a href="#上传数据" class="headerlink" title="上传数据"></a>上传数据</h4><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">[root@node-1 data]<span class="comment"># cat test.txt </span></span><br><span class="line">wisp aaaaaaaaaa</span><br><span class="line">lhp bbbbbbb</span><br><span class="line"><span class="built_in">test</span> cccccccccc</span><br><span class="line">tttt asdfasf</span><br><span class="line">tttt asdfasf</span><br><span class="line">tsadfasdf asddddddd1fasf</span><br><span class="line"></span><br><span class="line">[root@node-1 data]<span class="comment"># hadoop fs -put /data/test.txt /wisp/test/</span></span><br><span class="line">[root@node-1 data]<span class="comment"># hive</span></span><br><span class="line">hive> select * from testExtNew;</span><br><span class="line">OK</span><br><span class="line">tttt asdfasf</span><br><span class="line">tttt asdfasf</span><br><span class="line">tsadfasdf asddddddd1fasf</span><br><span class="line">wisp aaaaaaaaaa</span><br><span class="line">lhp bbbbbbb</span><br><span class="line"><span class="built_in">test</span> cccccccccc</span><br></pre></td></tr></table></figure>
<h3 id="备注"><a href="#备注" class="headerlink" title="备注"></a>备注</h3><ul>
<li>Hive数据加载：<a href="https://blog.csdn.net/scgaliguodong123_/article/details/46906427" target="_blank" rel="noopener">https://blog.csdn.net/scgaliguodong123_/article/details/46906427</a></li>
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<div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-3"><a class="nav-link" href="#准备工作"><span class="nav-number">1.</span> <span class="nav-text">准备工作</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#安装"><span class="nav-number">2.</span> <span class="nav-text">安装</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#配置"><span class="nav-number">3.</span> <span class="nav-text">配置</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#hive-env-sh"><span class="nav-number">3.1.</span> <span class="nav-text">hive-env.sh</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#hive-site-xml"><span class="nav-number">3.2.</span> <span class="nav-text">hive-site.xml</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#添加Mysql连接驱动"><span class="nav-number">4.</span> <span class="nav-text">添加Mysql连接驱动</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#更新guava-jar包"><span class="nav-number">5.</span> <span class="nav-text">更新guava.jar包</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#初始化元数据"><span class="nav-number">6.</span> <span class="nav-text">初始化元数据</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#启动hive"><span class="nav-number">7.</span> <span class="nav-text">启动hive</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#测试"><span class="nav-number">8.</span> <span class="nav-text">测试</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#创建表"><span class="nav-number">8.1.</span> <span class="nav-text">创建表</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#上传数据"><span class="nav-number">8.2.</span> <span class="nav-text">上传数据</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#备注"><span class="nav-number">9.</span> <span class="nav-text">备注</span></a></li></ol></div>
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var slicesOfContent = [];
while (indexOfContent.length != 0) {
var item = indexOfContent[indexOfContent.length - 1];
var position = item.position;
var word = item.word;
// cut out 100 characters
var start = position - 20;