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| 基金会 |
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| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Ecosystem Integration/Zeppelin-IoTDB.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Ecosystem Integration/Zeppelin-IoTDB.html" class="nav-link">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概述</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>服务器端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>客户端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>生态集成</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/Master/Ecosystem Integration/Grafana.html" class="sidebar-link">Grafana</a></li><li><a href="/zh/UserGuide/Master/Ecosystem Integration/MapReduce TsFile.html" class="sidebar-link">MapReduce TsFile</a></li><li><a href="/zh/UserGuide/Master/Ecosystem Integration/Spark TsFile.html" class="sidebar-link">Spark TsFile</a></li><li><a href="/zh/UserGuide/Master/Ecosystem Integration/Spark IoTDB.html" class="sidebar-link">Spark IoTDB</a></li><li><a href="/zh/UserGuide/Master/Ecosystem Integration/Hive TsFile.html" class="sidebar-link">Hive TsFile</a></li><li><a href="/zh/UserGuide/Master/Ecosystem Integration/Zeppelin-IoTDB.html" class="active sidebar-link">Zeppelin-IoTDB</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统设计</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="概要"><a href="#概要" class="header-anchor">#</a> 概要</h1> <ul><li>Zeppelin简介</li> <li>IoTDB Zeppelin 解释器 |
| <ul><li>系统环境要求</li> <li>编译解释器</li> <li>安装解释器</li> <li>启动Zeppelin和IoTDB</li></ul></li> <li>使用Zeppelin-IoTDB解释器</li> <li>解释器配置项</li></ul> <h1 id="_2-zeppelin简介"><a href="#_2-zeppelin简介" class="header-anchor">#</a> 2. Zeppelin简介</h1> <p>Apache Zeppelin 是一个基于网页的交互式数据分析系统。用户可以通过Zeppelin连接数据源并使用SQL、Scala等进行交互式操作。操作可以保存为文档（类似于Jupyter）。Zeppelin支持多种数据源，包括Spark、ElasticSearch、Cassandra和InfluxDB等等。现在，IoTDB已经支持使用Zeppelin进行操作。样例如下：</p> <p><img src="https://user-images.githubusercontent.com/5548915/102752947-520a3e80-43a5-11eb-8fb1-8fac471c8c7e.png" alt="iotdb-note-snapshot"></p> <h1 id="_3-zeppelin-iotdb解释器"><a href="#_3-zeppelin-iotdb解释器" class="header-anchor">#</a> 3. Zeppelin-IoTDB解释器</h1> <h2 id="系统环境需求"><a href="#系统环境需求" class="header-anchor">#</a> 系统环境需求</h2> <table><thead><tr><th style="text-align:center;">IoTDB 版本</th> <th style="text-align:center;">Java 版本</th> <th style="text-align:center;">Zeppelin 版本</th></tr></thead> <tbody><tr><td style="text-align:center;">>=<code>0.12.0-SNAPSHOT</code></td> <td style="text-align:center;">>=<code>1.8.0_271</code></td> <td style="text-align:center;"><code>>=0.9.0</code></td></tr></tbody></table> <blockquote><p>用户需要首先安装IoTDB：<a href="https://iotdb.apache.org/UserGuide/Master/Get%20Started/QuickStart.html" target="_blank" rel="noopener noreferrer">IoTDB Quick Start<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>. 假设 IoTDB 安装在 <code>$IoTDB_HOME</code>.</p> <p>用户可以下载 <a href="https://zeppelin.apache.org/download.html#" target="_blank" rel="noopener noreferrer">Zeppelin<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 并解压二进制文件，或 <a href="https://zeppelin.apache.org/docs/latest/setup/basics/how_to_build.html" target="_blank" rel="noopener noreferrer">从源码构建Zeppelin<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>. 假设 Zeppelin 安装在 <code>$Zeppelin_HOME</code>.</p></blockquote> <h2 id="_3-2-编译解释器"><a href="#_3-2-编译解释器" class="header-anchor">#</a> 3.2 编译解释器</h2> <p>运行如下命令编译IoTDB Zeppelin解释器。</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">cd</span> <span class="token variable">$IoTDB_HOME</span> |
| mvn clean package -pl zeppelin-interpreter -am -DskipTests |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>编译后的解释器位于如下目录：</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token variable">$IoTDB_HOME</span>/zeppelin-interpreter/target/zeppelin-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>-SNAPSHOT-jar-with-dependencies.jar |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="_3-3-安装解释器"><a href="#_3-3-安装解释器" class="header-anchor">#</a> 3.3 安装解释器</h2> <p>当你编译好了解释器，在Zeppelin的解释器目录下创建一个新的文件夹<code>iotdb</code>，并将IoTDB解释器放入其中。</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token builtin class-name">cd</span> <span class="token variable">$IoTDB_HOME</span> |
| <span class="token function">mkdir</span> -p <span class="token variable">$Zeppelin_HOME</span>/interpreter/iotdb |
| <span class="token function">cp</span> <span class="token variable">$IoTDB_HOME</span>/zeppelin-interpreter/target/zeppelin-<span class="token punctuation">{</span>version<span class="token punctuation">}</span>-SNAPSHOT-jar-with-dependencies.jar <span class="token variable">$Zeppelin_HOME</span>/interpreter/iotdb |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="_3-4-启动-zeppelin-和-iotdb"><a href="#_3-4-启动-zeppelin-和-iotdb" class="header-anchor">#</a> 3.4 启动 Zeppelin 和 IoTDB</h2> <p>进入 <code>$Zeppelin_HOME</code> 并运行Zeppelin：</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> ./bin/zeppelin-daemon.sh start |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> .<span class="token punctuation">\</span>bin<span class="token punctuation">\</span>zeppelin.cmd |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>进入 <code>$IoTDB_HOME</code> 并运行IoTDB：</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> <span class="token function">nohup</span> sbin/start-server.sh <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| or |
| <span class="token operator">></span> <span class="token function">nohup</span> sbin/start-server.sh -c <span class="token operator"><</span>conf_path<span class="token operator">></span> -rpc_port <span class="token operator"><</span>rpc_port<span class="token operator">></span> <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> sbin<span class="token punctuation">\</span>start-server.bat -c <span class="token operator"><</span>conf_path<span class="token operator">></span> -rpc_port <span class="token operator"><</span>rpc_port<span class="token operator">></span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h1 id="_4-使用-zeppelin-iotdb解释器"><a href="#_4-使用-zeppelin-iotdb解释器" class="header-anchor">#</a> 4. 使用 Zeppelin-IoTDB解释器</h1> <p>当Zeppelin启动后，访问 <a href="http://127.0.0.1:8080/" target="_blank" rel="noopener noreferrer">http://127.0.0.1:8080/<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <p>通过如下步骤创建一个新的笔记本页面:</p> <ol><li>点击 <code>Create new node</code> 按钮</li> <li>设置笔记本名</li> <li>选择解释器为iotdb</li></ol> <p>现在可以开始使用Zeppelin操作IoTDB了。</p> <p><img src="https://user-images.githubusercontent.com/5548915/102752945-5171a800-43a5-11eb-8614-53b3276a3ce2.png" alt="iotdb-create-note"></p> <p>我们提供了一些简单的SQL来展示Zeppelin-IoTDB解释器的使用：</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">SET</span> STORAGE <span class="token keyword">GROUP</span> <span class="token keyword">TO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">;</span> |
| <span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">.</span><span class="token keyword">status</span> <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span><span class="token keyword">BOOLEAN</span><span class="token punctuation">,</span> ENCODING<span class="token operator">=</span>PLAIN<span class="token punctuation">;</span> |
| <span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">.</span>temperature <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span><span class="token keyword">FLOAT</span><span class="token punctuation">,</span> ENCODING<span class="token operator">=</span>PLAIN<span class="token punctuation">;</span> |
| <span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">.</span>hardware <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span> ENCODING<span class="token operator">=</span>PLAIN<span class="token punctuation">;</span> |
| |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">,</span> <span class="token keyword">status</span><span class="token punctuation">,</span> hardware<span class="token punctuation">)</span> |
| <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">1.1</span><span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token punctuation">,</span> <span class="token number">11</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">,</span> <span class="token keyword">status</span><span class="token punctuation">,</span> hardware<span class="token punctuation">)</span> |
| <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">2.2</span><span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">,</span> <span class="token number">22</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">,</span> <span class="token keyword">status</span><span class="token punctuation">,</span> hardware<span class="token punctuation">)</span> |
| <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">3.3</span><span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token punctuation">,</span> <span class="token number">33</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">,</span> <span class="token keyword">status</span><span class="token punctuation">,</span> hardware<span class="token punctuation">)</span> |
| <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">,</span> <span class="token number">4.4</span><span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token punctuation">,</span> <span class="token number">44</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 <span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">,</span> <span class="token keyword">status</span><span class="token punctuation">,</span> hardware<span class="token punctuation">)</span> |
| <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">5</span><span class="token punctuation">,</span> <span class="token number">5.5</span><span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token punctuation">,</span> <span class="token number">55</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| |
| <span class="token keyword">SELECT</span> <span class="token operator">*</span> |
| <span class="token keyword">FROM</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01 |
| <span class="token keyword">WHERE</span> <span class="token keyword">time</span> <span class="token operator">>=</span> <span class="token number">1</span> |
| <span class="token operator">AND</span> <span class="token keyword">time</span> <span class="token operator"><=</span> <span class="token number">6</span><span class="token punctuation">;</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br></div></div><p>样例如下：</p> <p><img src="https://user-images.githubusercontent.com/5548915/102752948-52a2d500-43a5-11eb-9156-0c55667eb4cd.png" alt="iotdb-note-snapshot2"></p> <p>用户也可以参考 <a href="https://zeppelin.apache.org/docs/0.9.0-SNAPSHOT/usage/display_system/basic.html" target="_blank" rel="noopener noreferrer">[1]<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 编写更丰富多彩的文档。</p> <p>以上样例放置于 <code>$IoTDB_HOME/zeppelin-interpreter/Zeppelin-IoTDB-Demo.zpln</code></p> <h1 id="_5-解释器配置项"><a href="#_5-解释器配置项" class="header-anchor">#</a> 5. 解释器配置项</h1> <p>进入页面 <a href="http://127.0.0.1:8080/#/interpreter" target="_blank" rel="noopener noreferrer">http://127.0.0.1:8080/#/interpreter<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 并配置IoTDB的连接参数：</p> <p><img src="https://user-images.githubusercontent.com/5548915/102752940-50407b00-43a5-11eb-94fb-3e3be222183c.png" alt="iotdb-configuration"></p> <p>可配置参数默认值和解释如下：</p> <table><thead><tr><th>属性</th> <th>默认值</th> <th>描述</th></tr></thead> <tbody><tr><td>iotdb.host</td> <td>127.0.0.1</td> <td>IoTDB 主机名</td></tr> <tr><td>iotdb.port</td> <td>6667</td> <td>IoTDB 端口</td></tr> <tr><td>iotdb.username</td> <td>root</td> <td>用户名</td></tr> <tr><td>iotdb.password</td> <td>root</td> <td>密码</td></tr> <tr><td>iotdb.fetchSize</td> <td>10000</td> <td>查询结果分批次返回时，每一批数量</td></tr> <tr><td>iotdb.zoneId</td> <td></td> <td>时区ID</td></tr> <tr><td>iotdb.enable.rpc.compression</td> <td>FALSE</td> <td>是否允许rpc压缩</td></tr> <tr><td>iotdb.time.display.type</td> <td>default</td> <td>时间戳的展示格式</td></tr></tbody></table></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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