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| 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>IoTDB简介</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>快速上手</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据模式与概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>语法约定</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>应用编程接口</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>元数据操作</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据写入和删除</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据查询</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据处理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>权限管理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>运维工具</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/Master/Maintenance-Tools/Maintenance-Command.html" class="sidebar-link">运维命令</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/Monitor-and-Log-Tools.html" class="sidebar-link">监控工具和系统日志</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/JMX-Tool.html" class="sidebar-link">JMX 工具</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/MLogParser-Tool.html" class="sidebar-link">Mlog解析工具</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/NodeTool.html" class="sidebar-link">节点工具</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/Watermark-Tool.html" class="sidebar-link">水印工具</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/Metric-Tool.html" class="sidebar-link">监控工具</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/Sync-Tool.html" aria-current="page" class="active sidebar-link">TsFile 同步工具</a></li><li><a href="/zh/UserGuide/Master/Maintenance-Tools/TsFile-Split-Tool.html" class="sidebar-link">TsFile 拆分工具</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>分布式</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>UDF 资料库</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>参考</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="端云协同"><a href="#端云协同" class="header-anchor">#</a> 端云协同</h1> <h2 id="_1-介绍"><a href="#_1-介绍" class="header-anchor">#</a> 1.介绍</h2> <p>同步工具是持续将边缘端（发送端） IoTDB 中的时间序列数据上传并加载至云端（接收端） IoTDB 的套件工具。</p> <p>同步工具的发送端内嵌于 IoTDB 的引擎，使用同步工具需要首先启动IoTDB。</p> <p>可以在发送端使用 SQL 命令来启动或者关闭一个同步任务，并且可以随时查看同步任务的状态。在接收端，您可以通过设置IP白名单来规定准入IP地址范围。</p> <h2 id="_2-模型定义"><a href="#_2-模型定义" class="header-anchor">#</a> 2.模型定义</h2> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/System%20Tools/Sync-Tool/pipe2.png?raw=true" alt="pipe2.png"></p> <p>假设目前有两台机器A和B都安装了IoTDB，希望将A上的数据不断同步至B中。为了更好地描述这个过程，我们引入以下概念。</p> <ul><li>Pipe |
| <ul><li>指一次同步任务，在上述案例中，我们可以看作在A和B之间有一根数据流管道连接了A和B。</li> <li>一个Pipe有三种状态，RUNNING，STOP，DROP，分别表示正在运行，暂停和永久取消。</li></ul></li> <li>PipeSink |
| <ul><li>指接收端，在上述案例中，PipeSink即是B这台机器。PipeSink的类型目前仅支持IoTDB，即接收端为B上安装的IoTDB实例。</li> <li>PipeServer：当PipeSink的类型为IoTDB的时候，需要打开IoTDB的PipeServer服务来让Pipe数据得到处理。</li></ul></li></ul> <h2 id="_3-注意事项"><a href="#_3-注意事项" class="header-anchor">#</a> 3.注意事项</h2> <ul><li>目前仅支持多对一模式，不支持一对多，即一个发送端只能发送数据到一个接收端，而一个接收端可以接受来自多个发送端的数据。</li> <li>发送端只能有一个非DROP状态的Pipe，如果想创建一个新的Pipe，请取消当前Pipe。</li> <li>当有一个或多个发送端指向一个接收端时，这些发送端和接收端各自设备路径集合之间应当没有交集，否则可能产生不可预料错误 。 |
| <ul><li>例如：当发送端A包括路径<code>root.sg.d.s</code>，发送端B也包括路径<code>root.sg.d.s</code>，当发送端A删除<code>root.sg</code>存储组时将也会在接收端删除所有B在接收端的<code>root.sg.d.s</code>中存放的数据。</li></ul></li> <li>两台机器之间目前不支持相互同步。</li> <li>同步工具仅同步所有对数据写入和删除，元数据的创建和删除，如TTL的设置，Trigger，CQ等其他操作均不同步。 |
| <ul><li>若在发送端设置了TTL，则启动Pipe时候IoTDB中所有未过期的数据以及未来所有的数据写入和删除都会被同步至接收端</li></ul></li></ul> <h2 id="_4-快速上手"><a href="#_4-快速上手" class="header-anchor">#</a> 4.快速上手</h2> <p>在发送端和接收端执行如下语句即可快速开始两个 IoTDB 之间的数据同步，完整的 SQL 语句和配置事项请查看<code>配置参数</code>和<code>SQL</code>两节，更多使用范例请参考<code>使用范例</code>节。</p> <h4 id="_4-1接收端"><a href="#_4-1接收端" class="header-anchor">#</a> 4.1接收端</h4> <ul><li>开启PipeServer</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>关闭PipeServer（在所有发送端取消了Pipe之后执行）</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IOTDB> STOP PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="_4-2发送端"><a href="#_4-2发送端" class="header-anchor">#</a> 4.2发送端</h4> <ul><li>创建接收端为 IoTDB 类型的 Pipe Sink</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE PIPESINK my_iotdb AS IoTDB (ip='输入你的IP') |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>创建同步任务Pipe（开启之前请确保接收端 IoTDB 的 PipeServer 已经启动）</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE PIPE my_pipe TO my_iotdb |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>开始同步任务</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPE my_pipe |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>显示所有同步任务状态</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPES |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>暂停任务</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> STOP PIPE my_pipe |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>继续被暂停的任务</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPE my_pipe |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>关闭任务（状态信息可被删除）</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> DROP PIPE my_pipe |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="_5-配置参数"><a href="#_5-配置参数" class="header-anchor">#</a> 5.配置参数</h2> <p>所有参数修改均在<code>$IOTDB_HOME$/conf/iotdb-datanode.properties</code>中，所有修改完成之后执行<code>load configuration</code>之后即可立刻生效。</p> <h4 id="_5-1发送端相关"><a href="#_5-1发送端相关" class="header-anchor">#</a> 5.1发送端相关</h4> <table><thead><tr><th><strong>参数名</strong></th> <th><strong>max_number_of_sync_file_retry</strong></th></tr></thead> <tbody><tr><td>描述</td> <td>发送端同步文件到接收端失败时的最大重试次数</td></tr> <tr><td>类型</td> <td>Int : [0,2147483647]</td></tr> <tr><td>默认值</td> <td>5</td></tr></tbody></table> <h4 id="_5-2接收端相关"><a href="#_5-2接收端相关" class="header-anchor">#</a> 5.2接收端相关</h4> <table><thead><tr><th><strong>参数名</strong></th> <th><strong>ip_white_list</strong></th></tr></thead> <tbody><tr><td>描述</td> <td>设置同步功能发送端 IP 地址的白名单，以网段的形式表示，多个网段之间用逗号分隔。发送端向接收端同步数据时，只有当该发送端 IP 地址处于该白名单设置的网段范围内，接收端才允许同步操作。如果白名单为空，则接收端不允许任何发送端同步数据。默认接收端接受全部 IP 的同步请求。</td></tr> <tr><td>类型</td> <td>String</td></tr> <tr><td>默认值</td> <td>0.0.0.0/0</td></tr></tbody></table> <table><thead><tr><th><strong>参数名</strong></th> <th><em><strong>pipe_server_port</strong></em></th></tr></thead> <tbody><tr><td>描述</td> <td>同步接收端服务器监听接口，请确认该端口不是系统保留端口并且未被占用。</td></tr> <tr><td>类型</td> <td>Short Int : [0,65535]</td></tr> <tr><td>默认值</td> <td>6670</td></tr></tbody></table> <h2 id="_6-sql"><a href="#_6-sql" class="header-anchor">#</a> 6.SQL</h2> <h4 id="_6-1发送端"><a href="#_6-1发送端" class="header-anchor">#</a> 6.1发送端</h4> <ul><li>创建接收端为 IoTDB 类型的 Pipe Sink，其中IP和port是可选参数</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE PIPESINK <PipeSinkName> AS IoTDB [(ip='127.0.0.1',port=6670);] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>显示当前所能支持的 Pipe Sink 类型</li></ul> <div class="language-Plain%20Text line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPESINKTYPE |
| IoTDB> |
| +-----+ |
| | type| |
| +-----+ |
| |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><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><ul><li>显示当前所有 Pipe Sink 定义，结果集有三列，分别表示pipesink的名字，pipesink的类型，pipesink的属性</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPESINKS |
| IoTDB> SHOW PIPESINK [PipeSinkName] |
| IoTDB> |
| +-----------+-----+------------------------+ |
| | name| type| attributes| |
| +-----------+-----+------------------------+ |
| |my_pipesink|IoTDB|ip='127.0.0.1',port=6670| |
| +-----------+-----+------------------------+ |
| </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></div></div><ul><li>删除 Pipe Sink 信息</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> DROP PIPESINK <PipeSinkName> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>创建同步任务 |
| <ul><li>其中Select语句目前仅支持<code>**</code>（即所有序列中的数据），FROM语句目前仅支持<code>root</code>，Where语句仅支持指定time的起始时间</li> <li><code>SyncDelOp</code>参数为true时会同步删除数据操作，否则不同步删除数据操作</li></ul></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE PIPE my_pipe TO my_iotdb [FROM (select ** from root WHERE time>=yyyy-mm-dd HH:MM:SS)] [WITH SyncDelOp=true] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>显示所有同步任务状态</li></ul> <blockquote><p>该指令在发送端和接收端均可执行</p></blockquote> <ul><li><p>create time，pipe的创建时间</p></li> <li><p>name，pipe的名字</p></li> <li><p>role，当前IoTDB在pipe中的角色，可能有两种角色：</p> <ul><li><p>sender，当前IoTDB为同步发送端</p></li> <li><p>receiver，当前IoTDB为同步接收端</p></li></ul></li> <li><p>remote，pipe的对端信息</p> <ul><li><p>当role为receiver时，这一字段值为发送端ip</p></li> <li><p>当role为sender时，这一字段值为pipeSink名称</p></li></ul></li> <li><p>status，pipe状态</p></li> <li><p>message，pipe运行信息，当pipe正常运行时，这一字段通常为空，当出现异常时，可能出现两种状态：</p> <ul><li>WARN状态，这表明发生了数据丢失或者其他错误，但是Pipe会保持运行</li> <li>ERROR状态，这表明发生了网络长时间中断或者接收端出现问题，Pipe被停止，置为STOP状态</li></ul></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPES |
| IoTDB> |
| +-----------------------+--------+--------+-------------+---------+-------+ |
| | create time| name | role| remote| status|message| |
| +-----------------------+--------+--------+-------------+---------+-------+ |
| |2022-03-30T20:58:30.689|my_pipe1| sender| my_pipesink| STOP| | |
| +-----------------------+--------+--------+-------------+---------+-------+ |
| |2022-03-31T12:55:28.129|my_pipe2|receiver|192.168.11.11| RUNNING| | |
| +-----------------------+--------+--------+-------------+---------+-------+ |
| </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></div></div><ul><li>显示指定同步任务状态，当未指定PipeName时，与<code>SHOW PIPES</code>等效</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPE [PipeName] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>暂停任务</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> STOP PIPE <PipeName> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>继续被暂停的任务</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPE <PipeName> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>关闭任务（状态信息可被删除）</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> DROP PIPE <PipeName> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="_6-2接收端"><a href="#_6-2接收端" class="header-anchor">#</a> 6.2接收端</h4> <ul><li>启动本地的 IoTDB Pipe Server</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>关闭本地的 IoTDB Pipe Server</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> STOP PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>显示本地 Pipe Server 的信息 |
| <ul><li>true表示PipeServer正在运行，false表示PipeServer停止服务</li></ul></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPESERVER |
| +----------+ |
| | enalbe| |
| +----------+ |
| |true/false| |
| +----------+ |
| </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></div></div><h2 id="_7-使用示例"><a href="#_7-使用示例" class="header-anchor">#</a> 7.使用示例</h2> <h4 id="目标"><a href="#目标" class="header-anchor">#</a> <strong>目标</strong></h4> <ul><li>创建一个从边端 IoTDB 到 云端 IoTDB 的 同步工作</li> <li>边端希望同步从2022年3月30日0时之后的数据</li> <li>边端不希望同步所有的删除操作</li> <li>边端处于弱网环境，需要配置更多的重试次数</li> <li>云端IoTDB仅接受来自边端的IoTDB的数据</li></ul> <h4 id="接收端操作"><a href="#接收端操作" class="header-anchor">#</a> <strong>接收端操作</strong></h4> <ul><li><code>vi conf/iotdb-datanode.properties</code> 配置云端参数，将白名单设置为仅接收来自IP为 192.168.0.1的边端的数据</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>#################### |
| ### PIPE Server Configuration |
| #################### |
| # PIPE server port to listen |
| # Datatype: int |
| # pipe_server_port=6670 |
| |
| # White IP list of Sync client. |
| # Please use the form of network segment to present the range of IP, for example: 192.168.0.0/16 |
| # If there are more than one IP segment, please separate them by commas |
| # The default is to allow all IP to sync |
| # Datatype: String |
| ip_white_list=192.168.0.1/32 |
| </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></div></div><ul><li>云端启动 IoTDB 同步接收端</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>云端显示 IoTDB 同步接收端信息，如果结果为true则表示正确启动</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="发送端操作"><a href="#发送端操作" class="header-anchor">#</a> <strong>发送端操作</strong></h4> <ul><li>配置边端参数，将<code>max_number_of_sync_file_retry</code>参数设置为10</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>#################### |
| ### PIPE Sender Configuration |
| #################### |
| # The maximum number of retry when syncing a file to receiver fails. |
| max_number_of_sync_file_retry=10 |
| </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><ul><li>创建云端PipeSink，指定类型为IoTDB，指定云端IP地址为192.168.0.1，指定云端的PipeServer服务端口为6670</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE PIPESINK my_iotdb AS IoTDB (ip='192.168.0.1',port=6670) |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>创建Pipe，指定连接到my_iotdb的PipeSink，在WHREE子句中输入开始时间点2022年3月30日0时，将SyncDelOp置为false</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE PIPE p TO my_iotdb FROM (select ** from root where time>=2022-03-30 00:00:00) WITH SyncDelOp=false |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>启动Pipe</li></ul> <div class="language-Plain%20Text line-numbers-mode"><pre class="language-text"><code>IoTDB> START PIPE p |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>显示同步任务状态</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW PIPE p |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="结果验证"><a href="#结果验证" class="header-anchor">#</a> 结果验证</h4> <p>在发送端执行以下SQL</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>vehicle<span class="token punctuation">;</span> |
| <span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>vehicle<span class="token punctuation">.</span>d0<span class="token punctuation">.</span>s0 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span>INT32<span class="token punctuation">,</span> ENCODING<span class="token operator">=</span>RLE<span class="token punctuation">;</span> |
| <span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>vehicle<span class="token punctuation">.</span>d0<span class="token punctuation">.</span>s1 <span class="token keyword">WITH</span> DATATYPE<span class="token operator">=</span><span class="token keyword">TEXT</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>vehicle<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s2 <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>RLE<span class="token punctuation">;</span> |
| <span class="token keyword">CREATE</span> TIMESERIES root<span class="token punctuation">.</span>vehicle<span class="token punctuation">.</span>d1<span class="token punctuation">.</span>s3 <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">insert</span> <span class="token keyword">into</span> root<span class="token punctuation">.</span>vehicle<span class="token punctuation">.</span>d0<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span>s0<span class="token punctuation">)</span> <span class="token keyword">values</span><span class="token punctuation">(</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token number">10</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>vehicle<span class="token punctuation">.</span>d0<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span>s0<span class="token punctuation">,</span>s1<span class="token punctuation">)</span> <span class="token keyword">values</span><span class="token punctuation">(</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token number">12</span><span class="token punctuation">,</span><span class="token string">'12'</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>vehicle<span class="token punctuation">.</span>d0<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span>s1<span class="token punctuation">)</span> <span class="token keyword">values</span><span class="token punctuation">(</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">'14'</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>vehicle<span class="token punctuation">.</span>d1<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span>s2<span class="token punctuation">)</span> <span class="token keyword">values</span><span class="token punctuation">(</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token number">16.0</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>vehicle<span class="token punctuation">.</span>d1<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span>s2<span class="token punctuation">,</span>s3<span class="token punctuation">)</span> <span class="token keyword">values</span><span class="token punctuation">(</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token number">18.0</span><span class="token punctuation">,</span><span class="token boolean">true</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>vehicle<span class="token punctuation">.</span>d1<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span>s3<span class="token punctuation">)</span> <span class="token keyword">values</span><span class="token punctuation">(</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token boolean">false</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| flush<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></div></div><p>在发送端和接受端执行查询，可查询到相同的结果</p> <div class="language-Plain%20Text line-numbers-mode"><pre class="language-text"><code>IoTDB> select ** from root.vehicle |
| +-----------------------------+------------------+------------------+------------------+------------------+ |
| | Time|root.vehicle.d0.s0|root.vehicle.d0.s1|root.vehicle.d1.s3|root.vehicle.d1.s2| |
| +-----------------------------+------------------+------------------+------------------+------------------+ |
| |2022-04-03T20:08:17.127+08:00| 10| null| null| null| |
| |2022-04-03T20:08:17.358+08:00| 12| 12| null| null| |
| |2022-04-03T20:08:17.393+08:00| null| 14| null| null| |
| |2022-04-03T20:08:17.538+08:00| null| null| null| 16.0| |
| |2022-04-03T20:08:17.753+08:00| null| null| true| 18.0| |
| |2022-04-03T20:08:18.263+08:00| null| null| false| null| |
| +-----------------------------+------------------+------------------+------------------+------------------+ |
| Total line number = 6 |
| It costs 0.134s |
| </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></div></div><h2 id="_8-常见问题"><a href="#_8-常见问题" class="header-anchor">#</a> 8.常见问题</h2> <ul><li><p>执行</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>STOP PIPESERVER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>关闭本地的 IoTDB Pipe Server 时提示</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 328: Failed to stop pipe server because there is pipe still running. |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li><p>原因：接收端有正在运行的同步任务</p></li> <li><p>解决方案：在发送端先执行 <code>STOP PIPE</code> PipeName 停止任务，后关闭 IoTDB Pipe Server</p></li></ul></li> <li><p>执行</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE PIPE mypipe |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>提示</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 411: Create transport for pipe mypipe error, because CREATE request connects to receiver 127.0.0.1:6670 error.. |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>原因：接收端未启动或接收端无法连接</li> <li>解决方案：在接收端执行 <code>SHOW PIPESERVER</code> 检查是否启动接收端，若未启动使用 <code>START PIPESERVER</code> 启动；检查接收端<code>iotdb-datanode.properties</code>中的白名单是否包含发送端ip。</li></ul></li> <li><p>执行</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP PIPESINK pipesinkName |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>提示</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 411: Can not drop pipeSink demo, because pipe mypipe is using it. |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>原因：不允许删除有正在运行的PIPE所使用的 PipeSink</li> <li>解决方案：在发送端执行 <code>SHOW PIPE</code>，停止使用该 PipeSink 的 PIPE</li></ul></li> <li><p>发送端创建 PIPE 提示</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Msg: 411: Pipe p is RUNNING, please retry after drop it. |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>原因：已有运行中的 PIPE</li> <li>解决方案：执行 <code>DROP PIPE p</code>后重试</li></ul></li></ul></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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