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elasticsearch-head 安装配置
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<blockquote>
<p>由于ES官方并没有为ES提供界面管理工具，仅仅是提供了后台服务。elasticsearch-head是一个为ES开发的一个页面客户端工具。</p>
</blockquote>
<h2 id="elasticsearch-head-安装"><a href="#elasticsearch-head-安装" class="headerlink" title="elasticsearch-head 安装"></a>elasticsearch-head 安装</h2><ul>
<li><p>由于ES官方并没有为ES提供界面管理工具，仅仅是提供了后台服务。elasticsearch-head是一个为ES开发的一个页面客户端工具，源码托管于<a href="https://github.com/mobz/elasticsearch-head" target="_blank" rel="noopener">GitHub</a>，推荐通过chrome插件安装。</p>
</li>
<li><p>如果不是通过chrome方式安装，由于前后端分离开发，所有会存在跨越的问题，需要在服务器端做CORS的配置</p>
<figure class="highlight autoit"><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></pre></td><td class="code"><pre><span class="line">[root<span class="symbol">@centos8</span> ~]<span class="meta"># vim /etc/elasticsearch/elasticsearch.yml</span></span><br><span class="line"></span><br><span class="line">http.cors.enabled: <span class="literal">true</span></span><br><span class="line">http.cors.allowd-origin: <span class="string">"*"</span></span><br><span class="line"></span><br><span class="line"><span class="meta"># 添加上面两条命令，如果是chrome插件方式安装，不存在这个问题。</span></span><br></pre></td></tr></table></figure>
</li>
<li><p>通过elasticsearch-head连接elasticsearch</p>
</li>
</ul>
<p><img src="../images/blog/elk/es-head.png" alt="es-head"></p>
<h3 id="创建索引，删除索引"><a href="#创建索引，删除索引" class="headerlink" title="创建索引，删除索引"></a>创建索引，删除索引</h3><ul>
<li>图形化创建索引</li>
</ul>
<p><img src="../images/blog/elk/ELK-GUI-create-index-1.png" alt="ELK-GUI create index-1"></p>
<p><img src="../images/blog/elk/ELK-GUI-create-index-2.png" alt="ELK-GUI create index-2"></p>
<p><img src="../images/blog/elk/ELK-GUI-create-index-3.png" alt="ELK-GUI create index-3"></p>
<ul>
<li>API方式创建索引，Chrome安装Talend API Tester插件发送PUT请求。</li>
</ul>
<p><img src="../images/blog/elk/ELK-API-crate-index.png" alt="ELK-API crate index"></p>
<ul>
<li>API方式删除索引，例如想要删除<code>test</code>这个索引。</li>
</ul>
<p><img src="../images/blog/elk/ELK-API-delete-index.png" alt="ELK-API delete index"></p>
<h3 id="插入数据"><a href="#插入数据" class="headerlink" title="插入数据"></a>插入数据</h3><ul>
<li>URL规则：<code>POST/{索引}/{类型}/{id}</code></li>
</ul>
<p><img src="../images/blog/elk/ELK-insert-data-id.png" alt="ELK-插入数据"></p>
<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"># 数据</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"id"</span>:<span class="number">1001</span>,</span><br><span class="line"> <span class="attr">"name"</span>:<span class="string">"张三"</span>,</span><br><span class="line"> <span class="attr">"age"</span>:<span class="string">"20"</span>,</span><br><span class="line"> <span class="attr">"sex"</span>:<span class="string">"男"</span></span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"># 响应</span><br><span class="line">{</span><br><span class="line"><span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"><span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"><span class="attr">"_id"</span>: <span class="string">"1001"</span>,</span><br><span class="line"><span class="attr">"_version"</span>: <span class="number">1</span>,</span><br><span class="line"><span class="attr">"result"</span>: <span class="string">"created"</span>,</span><br><span class="line"><span class="attr">"_shards"</span>:{</span><br><span class="line"><span class="attr">"total"</span>: <span class="number">1</span>,</span><br><span class="line"><span class="attr">"successful"</span>: <span class="number">1</span>,</span><br><span class="line"><span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line">},</span><br><span class="line"><span class="attr">"_seq_no"</span>: <span class="number">0</span>,</span><br><span class="line"><span class="attr">"_primary_term"</span>: <span class="number">1</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>查看数据，这里<code>_id</code>是数据的唯一标识符。说明：非结构化的索引，不需要事先创建，直接插入数据默认创建索引。</li>
</ul>
<p><img src="../images/blog/elk/ELK-show-data.png" alt="ELK-查看数据"></p>
<ul>
<li>发起<code>POST</code>请求<code>http://172.20.29.75:9200/estest/user</code>。这里我们的POST请求中并没有指定数据的唯一id。这里的内容里面的<code>id</code>是数据里面的一个字段。</li>
</ul>
<figure class="highlight json"><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></pre></td><td class="code"><pre><span class="line"># 请求内容</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"id"</span>:<span class="number">1002</span>,</span><br><span class="line"> <span class="attr">"name"</span>:<span class="string">"李四"</span>,</span><br><span class="line"> <span class="attr">"age"</span>:<span class="string">"21"</span>,</span><br><span class="line"> <span class="attr">"sex"</span>:<span class="string">"女"</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>这里是随机产生的唯一id。</li>
</ul>
<p><img src="../images/blog/elk/ELK-insert-data.png" alt="ELK-插入数据 ID"></p>
<h3 id="更新数据"><a href="#更新数据" class="headerlink" title="更新数据"></a>更新数据</h3><ul>
<li>elasticsearch中，不能直接修改文档数据，但是可以通过覆盖的方式进行更新。这里使用<code>PUT</code>方式对数据的唯一id<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br></pre></td><td class="code"><pre><span class="line">PUT http://172.20.29.75:9200/estest/user/1001</span><br><span class="line"></span><br><span class="line"># 请求内容</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"id"</span>:<span class="number">1001</span>,</span><br><span class="line"> <span class="attr">"name"</span>:<span class="string">"张三"</span>,</span><br><span class="line"> <span class="attr">"age"</span>:<span class="string">"21"</span>,</span><br><span class="line"> <span class="attr">"sex"</span>:<span class="string">"女"</span></span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"># 响应内容，注意这里的_version</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"1001"</span>,</span><br><span class="line"> <span class="attr">"_version"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"result"</span>: <span class="string">"updated"</span>,</span><br><span class="line"> <span class="attr">"_shards"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"successful"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"_seq_no"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"_primary_term"</span>: <span class="number">1</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
</ul>
<figure class="highlight json"><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></pre></td><td class="code"><pre><span class="line"># 如果修改的数据，缺少一个字段，以前的字段不会被保留，因为这种方式对数据做的是全量更新。</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"id"</span>:<span class="number">1001</span>,</span><br><span class="line"> <span class="attr">"name"</span>:<span class="string">"张三"</span>,</span><br><span class="line"> <span class="attr">"age"</span>:<span class="string">"22"</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>局部更新过程<figure class="highlight angelscript"><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="number">1.</span>从旧文档中检索JSON</span><br><span class="line"><span class="number">2.</span>修改JSON文件</span><br><span class="line"><span class="number">3.</span>删除旧文档</span><br><span class="line"><span class="number">4.</span>索引新文档</span><br></pre></td></tr></table></figure>
</li>
</ul>
<ul>
<li>注意这里方式是<code>POST</code>，在唯一id后面加<code>_update</code>参数，请求内容需要用<code>doc</code>封装。<figure class="highlight json"><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></pre></td><td class="code"><pre><span class="line">POST http://172.20.29.75:9200/estest/user/1001/_update</span><br><span class="line"></span><br><span class="line">{</span><br><span class="line"> <span class="attr">"doc"</span>:{</span><br><span class="line"> <span class="attr">"age"</span>:<span class="number">23</span></span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h4 id="删除数据"><a href="#删除数据" class="headerlink" title="删除数据"></a>删除数据</h4><ul>
<li><p>在elasticsearch中，删除文档数据，只需要发起DELETE请求即可。注意result的结果，version也增加了。如果删除一条不存在的数据，会响应404，并且响应的结果是<code>not_found</code>。</p>
<figure class="highlight json"><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">DELETE http://172.20.29.75:9200/estest/user/1001</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"># 响应</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"1001_update"</span>,</span><br><span class="line"> <span class="attr">"_version"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"result"</span>: <span class="string">"deleted"</span>,</span><br><span class="line"> <span class="attr">"_shards"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"successful"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"_seq_no"</span>: <span class="number">6</span>,</span><br><span class="line"> <span class="attr">"_primary_term"</span>: <span class="number">1</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
<li><p>说明：删除一个文档也不会立即从磁盘上移除，它只是被标记成已经删除。es会在添加更多索引的时候才会在后台进行删除内容的清理。</p>
</li>
</ul>
<h4 id="搜索数据"><a href="#搜索数据" class="headerlink" title="搜索数据"></a>搜索数据</h4><ul>
<li><p>根据id搜索数据</p>
<figure class="highlight json"><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">GET http://172.20.29.75:9200/estest/user/VGGN3nABTHZ9F_yB_hk_</span><br><span class="line"></span><br><span class="line"># 返回的数据</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"VGGN3nABTHZ9F_yB_hk_"</span>,</span><br><span class="line"> <span class="attr">"_version"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"_seq_no"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"_primary_term"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"found"</span>: <span class="literal">true</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1002</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"李四"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="string">"21"</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"女"</span></span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
<li><p>搜索全部数据，默认响应10条数据。</p>
</li>
</ul>
<figure class="highlight"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">GET http://172.20.29.75:9200/estest/user/_search</span><br></pre></td></tr></table></figure>
<ul>
<li>关键字搜索数据<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br></pre></td><td class="code"><pre><span class="line"># 查询年龄等于20的用户</span><br><span class="line"></span><br><span class="line">GET http://172.20.29.75:9200/estest/user/_search?q=age:21</span><br><span class="line"></span><br><span class="line"># 响应的数据</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"took"</span>: <span class="number">30</span>,</span><br><span class="line"> <span class="attr">"timed_out"</span>: <span class="literal">false</span>,</span><br><span class="line"> <span class="attr">"_shards"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"successful"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"skipped"</span>: <span class="number">0</span>,</span><br><span class="line"> <span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"hits"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: {</span><br><span class="line"> <span class="attr">"value"</span>: <span class="number">1</span>,</span><br><span class="line"> <span class="attr">"relation"</span>: <span class="string">"eq"</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"max_score"</span>: <span class="number">0.6931471</span>,</span><br><span class="line"> <span class="attr">"hits"</span>: [{</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"VGGN3nABTHZ9F_yB_hk_"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">0.6931471</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1002</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"李四"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="string">"21"</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"女"</span></span><br><span class="line"> }</span><br><span class="line"> }]</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
</li>
</ul>
<h4 id="DSL-搜索"><a href="#DSL-搜索" class="headerlink" title="DSL 搜索"></a>DSL 搜索</h4><ul>
<li><p>elasticsearch提供特定查询语句DSL查询（Query DSL）DSL（Domain Specific Language 特定领域语言）以JSON请求体的形式出现。</p>
</li>
<li><p>之前在RESTful中都是通过GET请求来查询数据，这里DSL通过POST请求查询，因为需要提交json请求数据。</p>
</li>
</ul>
<figure class="highlight elixir"><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">POST <span class="symbol">http:</span>/<span class="regexp">/172.20.29.75:9200/estest</span><span class="regexp">/user/</span>_search</span><br><span class="line"></span><br><span class="line">{</span><br><span class="line"> <span class="string">"query"</span><span class="symbol">:</span>{</span><br><span class="line"> <span class="string">"match"</span><span class="symbol">:</span>{</span><br><span class="line"> <span class="string">"age"</span><span class="symbol">:</span><span class="number">21</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>这里可以借助Postman这个软件来发起json请求。</li>
</ul>
<figure class="highlight json"><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"># 注意，这里使用“_bulk?pretty”发起批量请求，json内容最后一定要添加空行。</span><br><span class="line"></span><br><span class="line">POST http://172.20.29.75:9200/_bulk?pretty</span><br><span class="line"></span><br><span class="line">{<span class="attr">"index"</span>: {<span class="attr">"_index"</span>: <span class="string">"estest"</span>}</span><br><span class="line">{<span class="attr">"id"</span>:<span class="number">1001</span>,<span class="attr">"name"</span>:<span class="string">"张三"</span>,<span class="attr">"age"</span>:<span class="number">20</span>,<span class="attr">"sex"</span>:<span class="string">"男"</span>}</span><br><span class="line"></span><br><span class="line">{<span class="attr">"index"</span>: {<span class="attr">"_index"</span>: <span class="string">"estest"</span>}</span><br><span class="line">{<span class="attr">"id"</span>:<span class="number">1002</span>,<span class="attr">"name"</span>:<span class="string">"李四"</span>,<span class="attr">"age"</span>:<span class="number">21</span>,<span class="attr">"sex"</span>:<span class="string">"女"</span>}</span><br><span class="line"></span><br><span class="line">{<span class="attr">"index"</span>: {<span class="attr">"_index"</span>: <span class="string">"estest"</span>}</span><br><span class="line">{<span class="attr">"id"</span>:<span class="number">1003</span>,<span class="attr">"name"</span>:<span class="string">"王五"</span>,<span class="attr">"age"</span>:<span class="number">31</span>,<span class="attr">"sex"</span>:<span class="string">"男"</span>}</span><br><span class="line"></span><br><span class="line">{<span class="attr">"index"</span>: {<span class="attr">"_index"</span>: <span class="string">"estest"</span>}</span><br><span class="line">{<span class="attr">"id"</span>:<span class="number">1004</span>,<span class="attr">"name"</span>:<span class="string">"赵六"</span>,<span class="attr">"age"</span>:<span class="number">32</span>,<span class="attr">"sex"</span>:<span class="string">"女"</span>}</span><br><span class="line"></span><br><span class="line">{<span class="attr">"index"</span>: {<span class="attr">"_index"</span>: <span class="string">"estest"</span>}</span><br><span class="line">{<span class="attr">"id"</span>:<span class="number">1005</span>,<span class="attr">"name"</span>:<span class="string">"孙七"</span>,<span class="attr">"age"</span>:<span class="number">33</span>,<span class="attr">"sex"</span>:<span class="string">"男"</span>}</span><br></pre></td></tr></table></figure>
<ul>
<li>这里做query查询，使用bool查询，这里设置2个bool查询方式，filter和must，过滤age大于30的，sex必须为男。匹配同时满足这2个条件的数据。</li>
</ul>
<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br></pre></td><td class="code"><pre><span class="line">POST http://172.20.29.75:9200/estest/user/_search</span><br><span class="line"></span><br><span class="line">{</span><br><span class="line"> <span class="attr">"query"</span>:{</span><br><span class="line"> <span class="attr">"bool"</span>:{</span><br><span class="line"> <span class="attr">"filter"</span>:{</span><br><span class="line"> <span class="attr">"range"</span>:{</span><br><span class="line"> <span class="attr">"age"</span>:{</span><br><span class="line"> <span class="attr">"gt"</span>:<span class="number">30</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"must"</span>:{</span><br><span class="line"> <span class="attr">"match"</span>:{</span><br><span class="line"> <span class="attr">"sex"</span>:<span class="string">"男"</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"># 响应结果</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"took"</span>: <span class="number">11</span>,</span><br><span class="line"> <span class="attr">"timed_out"</span>: <span class="literal">false</span>,</span><br><span class="line"> <span class="attr">"_shards"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"successful"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"skipped"</span>: <span class="number">0</span>,</span><br><span class="line"> <span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"hits"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: {</span><br><span class="line"> <span class="attr">"value"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"relation"</span>: <span class="string">"eq"</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"max_score"</span>: <span class="number">0.9808291</span>,</span><br><span class="line"> <span class="attr">"hits"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"WmFe4XABTHZ9F_yBuRmM"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">0.9808291</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1003</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"王五"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="number">31</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"男"</span></span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"XGFe4XABTHZ9F_yBuRmM"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">0.18232156</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1005</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"孙七"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="number">33</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"男"</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ]</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>全文搜索，搜索name为张三或者李四的数据。</li>
</ul>
<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br></pre></td><td class="code"><pre><span class="line">POST http://172.20.29.75:9200/estest/user/_search</span><br><span class="line"></span><br><span class="line"># 发送数据</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"query"</span>:{</span><br><span class="line"> <span class="attr">"match"</span>:{</span><br><span class="line"> <span class="attr">"name"</span>:<span class="string">"张三 李四"</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"># 响应结果</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"took"</span>: <span class="number">4</span>,</span><br><span class="line"> <span class="attr">"timed_out"</span>: <span class="literal">false</span>,</span><br><span class="line"> <span class="attr">"_shards"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"successful"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"skipped"</span>: <span class="number">0</span>,</span><br><span class="line"> <span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"hits"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: {</span><br><span class="line"> <span class="attr">"value"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"relation"</span>: <span class="string">"eq"</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"max_score"</span>: <span class="number">1.9616582</span>,</span><br><span class="line"> <span class="attr">"hits"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"WWFe4XABTHZ9F_yBuRmM"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">1.9616582</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1002</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"李四"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="number">21</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"女"</span></span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"WGFe4XABTHZ9F_yBuRmL"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">1.3862942</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1001</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"张三"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="number">20</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"男"</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ]</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>高亮显示</li>
</ul>
<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br></pre></td><td class="code"><pre><span class="line">POST http://172.20.29.75:9200/estest/user/_search</span><br><span class="line"></span><br><span class="line">{</span><br><span class="line"> <span class="attr">"query"</span>:{</span><br><span class="line"> <span class="attr">"match"</span>:{</span><br><span class="line"> <span class="attr">"name"</span>:<span class="string">"张三 李四"</span></span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"highlight"</span>:{</span><br><span class="line"> <span class="attr">"fields"</span>:{</span><br><span class="line"> <span class="attr">"name"</span>:{}</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"># 响应结果，这里高亮汉字需要注意分词的问题。</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"took"</span>: <span class="number">56</span>,</span><br><span class="line"> <span class="attr">"timed_out"</span>: <span class="literal">false</span>,</span><br><span class="line"> <span class="attr">"_shards"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"successful"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"skipped"</span>: <span class="number">0</span>,</span><br><span class="line"> <span class="attr">"failed"</span>: <span class="number">0</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"hits"</span>: {</span><br><span class="line"> <span class="attr">"total"</span>: {</span><br><span class="line"> <span class="attr">"value"</span>: <span class="number">2</span>,</span><br><span class="line"> <span class="attr">"relation"</span>: <span class="string">"eq"</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"max_score"</span>: <span class="number">1.9616582</span>,</span><br><span class="line"> <span class="attr">"hits"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"WWFe4XABTHZ9F_yBuRmM"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">1.9616582</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1002</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"李四"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="number">21</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"女"</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"highlight"</span>: {</span><br><span class="line"> <span class="attr">"name"</span>: [</span><br><span class="line"> <span class="string">"<em>李</em><em>四</em>"</span></span><br><span class="line"> ]</span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"_index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"_type"</span>: <span class="string">"user"</span>,</span><br><span class="line"> <span class="attr">"_id"</span>: <span class="string">"WGFe4XABTHZ9F_yBuRmL"</span>,</span><br><span class="line"> <span class="attr">"_score"</span>: <span class="number">1.3862942</span>,</span><br><span class="line"> <span class="attr">"_source"</span>: {</span><br><span class="line"> <span class="attr">"id"</span>: <span class="number">1001</span>,</span><br><span class="line"> <span class="attr">"name"</span>: <span class="string">"张三"</span>,</span><br><span class="line"> <span class="attr">"age"</span>: <span class="number">20</span>,</span><br><span class="line"> <span class="attr">"sex"</span>: <span class="string">"男"</span></span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"highlight"</span>: {</span><br><span class="line"> <span class="attr">"name"</span>: [</span><br><span class="line"> <span class="string">"<em>张</em><em>三</em>"</span></span><br><span class="line"> ]</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ]</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>聚合，这里先将张三年龄修改的和李四一样。</li>
</ul>
<figure class="highlight json"><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></pre></td><td class="code"><pre><span class="line">POST http://172.20.29.75:9200/estest/user/WGFe4XABTHZ9F_yBuRmL/_update</span><br><span class="line"></span><br><span class="line">{</span><br><span class="line"> <span class="attr">"doc"</span>:{</span><br><span class="line"> <span class="attr">"age"</span>:<span class="number">21</span></span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<ul>
<li>这里聚合报错，暂时不知道什么问题<figure class="highlight json"><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><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br></pre></td><td class="code"><pre><span class="line">POST http://172.20.29.75:9200/estest/user/_search</span><br><span class="line"></span><br><span class="line">{</span><br><span class="line"> <span class="attr">"aggs"</span>:{</span><br><span class="line"> <span class="attr">"all_interests"</span>:{</span><br><span class="line"> <span class="attr">"terms"</span>:{</span><br><span class="line"> <span class="attr">"field"</span>:<span class="string">"age"</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line">#报错内容</span><br><span class="line">{</span><br><span class="line"> <span class="attr">"error"</span>: {</span><br><span class="line"> <span class="attr">"root_cause"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"illegal_argument_exception"</span>,</span><br><span class="line"> <span class="attr">"reason"</span>: <span class="string">"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [age] in order to load field data by uninverting the inverted index. Note that this can use significant memory."</span></span><br><span class="line"> }</span><br><span class="line"> ],</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"search_phase_execution_exception"</span>,</span><br><span class="line"> <span class="attr">"reason"</span>: <span class="string">"all shards failed"</span>,</span><br><span class="line"> <span class="attr">"phase"</span>: <span class="string">"query"</span>,</span><br><span class="line"> <span class="attr">"grouped"</span>: <span class="literal">true</span>,</span><br><span class="line"> <span class="attr">"failed_shards"</span>: [</span><br><span class="line"> {</span><br><span class="line"> <span class="attr">"shard"</span>: <span class="number">0</span>,</span><br><span class="line"> <span class="attr">"index"</span>: <span class="string">"estest"</span>,</span><br><span class="line"> <span class="attr">"node"</span>: <span class="string">"Qcxv7GXOSt6PgiXR11Ea6A"</span>,</span><br><span class="line"> <span class="attr">"reason"</span>: {</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"illegal_argument_exception"</span>,</span><br><span class="line"> <span class="attr">"reason"</span>: <span class="string">"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [age] in order to load field data by uninverting the inverted index. Note that this can use significant memory."</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> ],</span><br><span class="line"> <span class="attr">"caused_by"</span>: {</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"illegal_argument_exception"</span>,</span><br><span class="line"> <span class="attr">"reason"</span>: <span class="string">"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [age] in order to load field data by uninverting the inverted index. Note that this can use significant memory."</span>,</span><br><span class="line"> <span class="attr">"caused_by"</span>: {</span><br><span class="line"> <span class="attr">"type"</span>: <span class="string">"illegal_argument_exception"</span>,</span><br><span class="line"> <span class="attr">"reason"</span>: <span class="string">"Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [age] in order to load field data by uninverting the inverted index. Note that this can use significant memory."</span></span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> },</span><br><span class="line"> <span class="attr">"status"</span>: <span class="number">400</span></span><br><span class="line">}</span><br></pre></td></tr></table></figure>
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