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class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">元数据操作</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">数据写入（数据更新）</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">数据删除</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">数据查询</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">运算符和函数</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">触发器</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">监控告警</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">权限管理</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">运维工具</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">端云协同</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable active" type="button"><!----><span class="vp-sidebar-title">系统集成</span><span class="vp-arrow down"></span></button><ul class="vp-sidebar-links"><li><!--[--><a aria-label="Grafana-Plugin" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Grafana-Plugin.html"><!---->Grafana-Plugin<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Grafana-Connector（不推荐）" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Grafana-Connector.html"><!---->Grafana-Connector（不推荐）<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Zeppelin-IoTDB" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Zeppelin-IoTDB.html"><!---->Zeppelin-IoTDB<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="DBeaver-IoTDB" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/DBeaver.html"><!---->DBeaver-IoTDB<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="MapReduce-TsFile" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/MapReduce-TsFile.html"><!---->MapReduce-TsFile<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Spark-TsFile" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Spark-TsFile.html"><!---->Spark-TsFile<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Spark-IoTDB" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Spark-IoTDB.html"><!---->Spark-IoTDB<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Hive-TsFile" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Hive-TsFile.html"><!---->Hive-TsFile<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Flink-IoTDB" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Flink-IoTDB.html"><!---->Flink-IoTDB<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="Flink-TsFile" class="vp-link nav-link vp-sidebar-link vp-sidebar-page nav-link vp-sidebar-link vp-sidebar-page" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/Flink-TsFile.html"><!---->Flink-TsFile<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a aria-label="NiFi-IoTDB" class="vp-link nav-link active vp-sidebar-link vp-sidebar-page active nav-link active vp-sidebar-link vp-sidebar-page active" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html"><!---->NiFi-IoTDB<!----></a><ul class="vp-sidebar-sub-headers"><li class="vp-sidebar-sub-header"><a aria-label="nifi-iotdb-bundle" class="vp-link nav-link vp-sidebar-link vp-heading nav-link vp-sidebar-link vp-heading" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html#nifi-iotdb-bundle"><!---->nifi-iotdb-bundle<!----></a><ul class="vp-sidebar-sub-headers"><li class="vp-sidebar-sub-header"><a aria-label="Apache NiFi简介" class="vp-link nav-link vp-sidebar-link vp-heading nav-link vp-sidebar-link vp-heading" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html#apache-nifi简介"><!---->Apache NiFi简介<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a aria-label="PutIoTDBRecord" class="vp-link nav-link vp-sidebar-link vp-heading nav-link vp-sidebar-link vp-heading" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html#putiotdbrecord"><!---->PutIoTDBRecord<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a aria-label="Relationships" class="vp-link nav-link vp-sidebar-link vp-heading nav-link vp-sidebar-link vp-heading" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html#relationships"><!---->Relationships<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a aria-label="QueryIoTDBRecord" class="vp-link nav-link vp-sidebar-link vp-heading nav-link vp-sidebar-link vp-heading" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html#queryiotdbrecord"><!---->QueryIoTDBRecord<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a aria-label="Relationships" class="vp-link nav-link vp-sidebar-link vp-heading nav-link vp-sidebar-link vp-heading" href="/zh/UserGuide/V1.1.x/Ecosystem-Integration/NiFi-IoTDB.html#relationships-1"><!---->Relationships<!----></a><ul class="vp-sidebar-sub-headers"></ul></li></ul></li></ul><!--]--></li></ul></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">分布式</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">FAQ</span><span class="vp-arrow end"></span></button><!----></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">参考</span><span class="vp-arrow end"></span></button><!----></section></li></ul><!--[--><!----><!--]--></aside><!--[--><main id="main-content" class="vp-page"><!--[--><!--[--><!----><!--]--><!----><nav class="vp-breadcrumb disable"></nav><div class="vp-page-title"><h1><!----></h1><div class="page-info"><!----><!----><span class="page-date-info" aria-label="写作日期"><svg xmlns="http://www.w3.org/2000/svg" class="icon calendar-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="calendar icon"><path d="M716.4 110.137c0-18.753-14.72-33.473-33.472-33.473-18.753 0-33.473 14.72-33.473 33.473v33.473h66.993v-33.473zm-334.87 0c0-18.753-14.72-33.473-33.473-33.473s-33.52 14.72-33.52 33.473v33.473h66.993v-33.473zm468.81 33.52H716.4v100.465c0 18.753-14.72 33.473-33.472 33.473a33.145 33.145 0 01-33.473-33.473V143.657H381.53v100.465c0 18.753-14.72 33.473-33.473 33.473a33.145 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19.03v5.825h566.49v-5.825c0-7.379-2.849-13.981-7.509-18.9-5.049-193.016-97.867-351.985-220.2-389.527 123.24-37.67 216.446-198.453 220.588-392.892zM531.16 450.445v352.632c117.674 1.553 211.787 40.778 211.787 88.676H304.097c0-48.286 95.149-87.382 213.728-88.676V450.445c-93.077-3.107-167.901-81.297-167.901-177.093 0-8.803 6.99-15.793 15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>大约 4 分钟</span><meta property="timeRequired" content="PT4M"></span><!----><!----></div><hr></div><div class="toc-place-holder"><aside id="toc"><!--[--><!----><!--]--><div class="toc-header">此页内容<button type="button" class="print-button" title="打印"><svg xmlns="http://www.w3.org/2000/svg" class="icon print-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="print icon"><path d="M819.2 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class="vp-link toc-link level3 toc-link level3" href="#putiotdbrecord">PutIoTDBRecord</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3 toc-link level3" href="#relationships">Relationships</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3 toc-link level3" href="#queryiotdbrecord">QueryIoTDBRecord</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3 toc-link level3" href="#relationships-1">Relationships</a></li><!----><!--]--></ul></li><!--]--></ul><div class="toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><!--

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    "License"); you may not use this file except in compliance
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--><h2 id="nifi-iotdb-bundle" tabindex="-1"><a class="header-anchor" href="#nifi-iotdb-bundle" aria-hidden="true">#</a> nifi-iotdb-bundle</h2><h3 id="apache-nifi简介" tabindex="-1"><a class="header-anchor" href="#apache-nifi简介" aria-hidden="true">#</a> Apache NiFi简介</h3><p>Apache NiFi 是一个易用的、功能强大的、可靠的数据处理和分发系统。</p><p>Apache NiFi 支持强大的、可伸缩的数据路由、转换和系统中介逻辑的有向图。</p><p>Apache NiFi 包含以下功能：</p><ul><li>基于浏览器的用户接口： <ul><li>设计、控制、反馈和监控的无缝体验</li></ul></li><li>数据起源跟踪 <ul><li>从头到尾完整的信息族谱</li></ul></li><li>丰富的配置 <ul><li>丢失容忍和保证交付</li><li>低延迟和高吞吐</li><li>动态优先级策略</li><li>运行时可以修改流配置</li><li>反向压力控制</li></ul></li><li>扩展设计 <ul><li>用于定制 processors 和 services 的组件体系结构</li><li>快速开发和迭代测试</li></ul></li><li>安全会话 <ul><li>带有可配置认证策略的 HTTPS 协议</li><li>多租户授权和策略管理</li><li>包括TLS和SSH的加密通信的标准协议</li></ul></li></ul><h3 id="putiotdbrecord" tabindex="-1"><a class="header-anchor" href="#putiotdbrecord" aria-hidden="true">#</a> PutIoTDBRecord</h3><p>这是一个用于数据写入的处理器。它使用配置的 Record Reader 将传入 FlowFile 的内容读取为单独的记录，并使用本机接口将它们写入 Apache IoTDB。</p><h4 id="putiotdbrecord的配置项" tabindex="-1"><a class="header-anchor" href="#putiotdbrecord的配置项" aria-hidden="true">#</a> PutIoTDBRecord的配置项</h4><table><thead><tr><th>配置项</th><th>描述</th><th>默认值</th><th>是否必填</th></tr></thead><tbody><tr><td>Host</td><td>IoTDB 的主机名</td><td>null</td><td>true</td></tr><tr><td>Port</td><td>IoTDB 的端口</td><td>6667</td><td>true</td></tr><tr><td>Username</td><td>IoTDB 的用户名</td><td>null</td><td>true</td></tr><tr><td>Password</td><td>IoTDB 的密码</td><td>null</td><td>true</td></tr><tr><td>Prefix</td><td>将被写入IoTDB的数据的tsName前缀 以root. 开头 <br> 可以使用Nifi expression language做动态替换.</td><td>null</td><td>true</td></tr><tr><td>Time</td><td>时间字段名</td><td>null</td><td>true</td></tr><tr><td>Record Reader</td><td>指定一个 Record Reader controller service 来解析数据，并且推断数据格式。</td><td>null</td><td>true</td></tr><tr><td>Schema</td><td>IoTDB 需要的 schema 不能很好的被 NiFi 支持，因此你可以在这里自定义 schema。<br>除此之外，你可以通过这个方式设置编码和压缩类型。如果你没有设置这个配置，就会使用 Record Reader 推断的 schema。<br>这个配置可以通过 Attributes 的表达式来更新。</td><td>null</td><td>false</td></tr><tr><td>Aligned</td><td>是否使用 aligned 接口？<br>这个配置可以通过 Attributes 的表达式来更新。</td><td>false</td><td>false</td></tr><tr><td>MaxRowNumber</td><td>指定 tablet 的最大行数。<br>这个配置可以通过 Attributes 的表达式来更新。</td><td>1024</td><td>false</td></tr></tbody></table><h4 id="flowfile-的推断数据类型" tabindex="-1"><a class="header-anchor" href="#flowfile-的推断数据类型" aria-hidden="true">#</a> Flowfile 的推断数据类型</h4><p>如果要使用推断类型，需要注意以下几点：</p><ol><li>输入的 flowfile 需要能被 <code>Record Reader</code> 读取。</li><li>flowfile的 schema 中必须包含以时间字段名属性命名的字段</li><li><code>Time</code>的数据类型只能是 <code>STRING</code> 或者 <code>LONG </code>。</li><li>除<code>Time</code> 以外的列必须以 <code>root.</code> 开头。</li><li>支持的数据类型有： <code>INT</code>，<code>LONG</code>， <code>FLOAT</code>， <code>DOUBLE</code>， <code>BOOLEAN</code>， <code>TEXT</code>。</li></ol><h4 id="通过配置项自定义-schema" tabindex="-1"><a class="header-anchor" href="#通过配置项自定义-schema" aria-hidden="true">#</a> 通过配置项自定义 schema</h4><p>如上所述，通过配置项来自定义 schema 比起推断的 schema来说，是一种更加灵活和强大的方式。</p><p><code>Schema</code> 配置项的解构如下:</p><div class="language-json line-numbers-mode" data-ext="json"><pre class="language-json"><code><span class="token punctuation">{</span>
   <span class="token property">&quot;fields&quot;</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
      <span class="token property">&quot;tsName&quot;</span><span class="token operator">:</span> <span class="token string">&quot;s1&quot;</span><span class="token punctuation">,</span>
      <span class="token property">&quot;dataType&quot;</span><span class="token operator">:</span> <span class="token string">&quot;INT32&quot;</span><span class="token punctuation">,</span>
      <span class="token property">&quot;encoding&quot;</span><span class="token operator">:</span> <span class="token string">&quot;RLE&quot;</span><span class="token punctuation">,</span>
      <span class="token property">&quot;compressionType&quot;</span><span class="token operator">:</span> <span class="token string">&quot;GZIP&quot;</span>
   <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
      <span class="token property">&quot;tsName&quot;</span><span class="token operator">:</span> <span class="token string">&quot;s2&quot;</span><span class="token punctuation">,</span>
      <span class="token property">&quot;dataType&quot;</span><span class="token operator">:</span> <span class="token string">&quot;INT64&quot;</span><span class="token punctuation">,</span>
      <span class="token property">&quot;encoding&quot;</span><span class="token operator">:</span> <span class="token string">&quot;RLE&quot;</span><span class="token punctuation">,</span>
      <span class="token property">&quot;compressionType&quot;</span><span class="token operator">:</span> <span class="token string">&quot;GZIP&quot;</span>
   <span class="token punctuation">}</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p><strong>注意</strong></p><ol><li>flowfile 的第一列数据必须为 <code>Time</code>。剩下的必须与 <code>fields</code> 配置中保持一样的顺序。</li><li>定义 shema 的 JSON 中必须包含 <code>timeType</code> and <code>fields</code> 这两项。</li><li><code>timeType</code> 只支持 <code>LONG</code> 和 <code>STRING</code> 这两个选项。</li><li><code>tsName</code> 和 <code>dataType</code> 这两项必须被设置。</li><li>当数据插入IoTDB时，Prefix属性会被添加到 tsName以作为插入的字段名。</li><li>支持的 <code>dataTypes</code> 有：<code>INT32</code>， <code>INT64</code>， <code>FLOAT</code>， <code>DOUBLE</code>， <code>BOOLEAN</code>， <code>TEXT</code>。</li><li>支持的 <code>encoding</code> 有： <code>PLAIN</code>， <code>DICTIONARY</code>， <code>RLE</code>， <code>DIFF</code>， <code>TS_2DIFF</code>， <code>BITMAP</code>， <code>GORILLA_V1</code>， <code>REGULAR</code>， <code>GORILLA</code>。</li><li>支持的 <code>compressionType</code> 有： <code>UNCOMPRESSED</code>， <code>SNAPPY</code>， <code>GZIP</code>， <code>LZO</code>， <code>SDT</code>， <code>PAA</code>， <code>PLA</code>， <code>LZ4</code>, <code>ZSTD</code>。</li></ol><h3 id="relationships" tabindex="-1"><a class="header-anchor" href="#relationships" aria-hidden="true">#</a> Relationships</h3><table><thead><tr><th>relationship</th><th>描述</th></tr></thead><tbody><tr><td>success</td><td>数据能被正确的写入。</td></tr><tr><td>failure</td><td>schema 或者数据有异常。</td></tr></tbody></table><h3 id="queryiotdbrecord" tabindex="-1"><a class="header-anchor" href="#queryiotdbrecord" aria-hidden="true">#</a> QueryIoTDBRecord</h3><p>这是一个用于数据读取的处理器。它通过读取 FlowFile 的内容中的SQL 查询来对IoTDB的原生接口进行访问，并将查询结果用Record Writer写入 flowfile。</p><h4 id="queryiotdbrecord的配置项" tabindex="-1"><a class="header-anchor" href="#queryiotdbrecord的配置项" aria-hidden="true">#</a> QueryIoTDBRecord的配置项</h4><table><thead><tr><th>配置项</th><th>描述</th><th>默认值</th><th>是否必填</th></tr></thead><tbody><tr><td>Host</td><td>IoTDB 的主机名</td><td>null</td><td>true</td></tr><tr><td>Port</td><td>IoTDB 的端口</td><td>6667</td><td>true</td></tr><tr><td>Username</td><td>IoTDB 的用户名</td><td>null</td><td>true</td></tr><tr><td>Password</td><td>IoTDB 的密码</td><td>null</td><td>true</td></tr><tr><td>Record Writer</td><td>指定一个 Record Writer controller service 来写入数据。</td><td>null</td><td>true</td></tr><tr><td>iotdb-query</td><td>需要执行的IoTDB query <br>。 Note: 如果有连入侧的连接那么查询会从FlowFile的内容中提取，否则使用当前配置的属性</td><td>null</td><td>false</td></tr><tr><td>iotdb-query-chunk-size</td><td>返回的结果可以进行分块，数据流中会返回一批按设置大小切分的数据，而不是一个单一的响应. 分块查询可以返回无限量的行。 注意: 数据分块只有在设置不为0时启用</td><td>0</td><td>false</td></tr></tbody></table><h3 id="relationships-1" tabindex="-1"><a 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