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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 (V0.12.x)</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 open"><span>快速上手</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/V0.12.x/QuickStart/QuickStart.html" aria-current="page" class="active sidebar-link">快速上手</a></li><li><a href="/zh/UserGuide/V0.12.x/QuickStart/Files.html" class="sidebar-link">存储路径设置</a></li><li><a href="/zh/UserGuide/V0.12.x/QuickStart/WayToGetIoTDB.html" class="sidebar-link">获取IoTDB二进制文件途径</a></li></ul></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>SQL命令行终端(CLI)</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"><span>IoTDB-SQL 语言</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>用户定义函数(UDF)</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>通信服务协议</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"><span>端云协同</span> <span class="arrow right"></span></p> <!----></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>集群搭建</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>常见问题</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>附录</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="快速上手"><a href="#快速上手" class="header-anchor">#</a> 快速上手</h1> <p>本文将介绍关于IoTDB使用的基本流程，如果需要更多信息，请浏览我们官网的<a href="/zh/UserGuide/V0.12.x/IoTDB-Introduction/What-is-IoTDB.html">指引</a>.</p> <h2 id="安装环境"><a href="#安装环境" class="header-anchor">#</a> 安装环境</h2> <p>安装前需要保证设备上配有JDK>=1.8的运行环境，并配置好JAVA_HOME环境变量。</p> <p>设置最大文件打开数为65535。</p> <h2 id="安装步骤"><a href="#安装步骤" class="header-anchor">#</a> 安装步骤</h2> <p>IoTDB支持多种安装途径。用户可以使用三种方式对IoTDB进行安装——下载二进制可运行程序、使用源码、使用docker镜像。</p> <ul><li><p>使用源码：您可以从代码仓库下载源码并编译，具体编译方法见下方。</p></li> <li><p>二进制可运行程序：请从<a href="https://iotdb.apache.org/Download/" target="_blank" rel="noopener noreferrer">下载<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>页面下载最新的安装包，解压后即完成安装。</p></li> <li><p>使用Docker镜像：dockerfile 文件位于 https://github.com/apache/iotdb/blob/master/docker/src/main</p></li></ul> <h2 id="软件目录结构"><a href="#软件目录结构" class="header-anchor">#</a> 软件目录结构</h2> <ul><li>sbin 启动和停止脚本目录</li> <li>conf 配置文件目录</li> <li>tools 系统工具目录</li> <li>lib 依赖包目录</li></ul> <h2 id="iotdb试用"><a href="#iotdb试用" class="header-anchor">#</a> IoTDB试用</h2> <p>用户可以根据以下操作对IoTDB进行简单的试用，若以下操作均无误，则说明IoTDB安装成功。</p> <h3 id="启动iotdb"><a href="#启动iotdb" class="header-anchor">#</a> 启动IoTDB</h3> <p>用户可以使用sbin文件夹下的start-server脚本启动IoTDB。</p> <p>Linux系统与MacOS系统启动命令如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> nohup sbin/start-server.sh >/dev/null 2>&1 & |
| or |
| > nohup sbin/start-server.sh -c <conf_path> -rpc_port <rpc_port> >/dev/null 2>&1 & |
| </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><p>Windows系统启动命令如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> sbin\start-server.bat -c <conf_path> -rpc_port <rpc_port> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>"-c" and "-rpc_port" 都是可选的。</li> <li>选项 "-c" 指定了配置文件所在的文件夹。</li> <li>选项 "-rpc_port" 指定了启动的 rpc port。</li> <li>如果两个选项同时指定，那么<em>rpc_port</em>将会覆盖<em>conf_path</em>下面的配置。</li></ul> <h3 id="使用cli工具"><a href="#使用cli工具" class="header-anchor">#</a> 使用Cli工具</h3> <p>IoTDB为用户提供多种与服务器交互的方式，在此我们介绍使用Cli工具进行写入、查询数据的基本步骤。</p> <p>初始安装后的IoTDB中有一个默认用户：root，默认密码为root。用户可以使用该用户运行Cli工具操作IoTDB。Cli工具启动脚本为sbin文件夹下的start-cli脚本。启动脚本时需要指定运行ip、port、username和password。若脚本未给定对应参数,则默认参数为"-h 127.0.0.1 -p 6667 -u root -pw -root"</p> <p>以下启动语句为服务器在本机运行，且用户未更改运行端口号的示例。</p> <p>Linux系统与MacOS系统启动命令如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> sbin/start-cli.sh -h 127.0.0.1 -p 6667 -u root -pw root |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统启动命令如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> sbin\start-cli.bat -h 127.0.0.1 -p 6667 -u root -pw root |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>启动后出现如图提示即为启动成功。</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____ _________ ______ ______ |
| |_ _| | _ _ ||_ _ `.|_ _ \ |
| | | .--.|_/ | | \_| | | `. \ | |_) | |
| | | / .'`\ \ | | | | | | | __'. |
| _| |_| \__. | _| |_ _| |_.' /_| |__) | |
| |_____|'.__.' |_____| |______.'|_______/ version x.x.x |
| |
| |
| IoTDB> login successfully |
| 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><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h3 id="iotdb的基本操作"><a href="#iotdb的基本操作" class="header-anchor">#</a> IoTDB的基本操作</h3> <p>在这里，我们首先介绍一下使用Cli工具创建时间序列、插入数据并查看数据的方法。</p> <p>数据在IoTDB中的组织形式是以时间序列为单位，每一个时间序列中有若干个数据-时间点对，每一个时间序列属于一个存储组。在定义时间序列之前，要首先使用SET STORAGE GROUP语句定义存储组。SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SET STORAGE GROUP TO root.ln |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>我们可以使用SHOW STORAGE GROUP语句来查看系统当前所有的存储组，SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW STORAGE GROUP |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>执行结果为：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-------------+ |
| |storage group| |
| +-------------+ |
| | root.ln| |
| +-------------+ |
| Total line number = 1 |
| </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><p>存储组设定后，使用CREATE TIMESERIES语句可以创建新的时间序列，创建时间序列时需要定义数据的类型和编码方式。此处我们创建两个时间序列，SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE TIMESERIES root.ln.wf01.wt01.status WITH DATATYPE=BOOLEAN, ENCODING=PLAIN |
| IoTDB> CREATE TIMESERIES root.ln.wf01.wt01.temperature WITH DATATYPE=FLOAT, ENCODING=RLE |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>为了查看指定的时间序列，我们可以使用SHOW TIMESERIES <Path>语句，其中<Path>表示时间序列对应的路径，默认值为空，表示查看系统中所有的时间序列。下面是两个例子：</p> <p>使用SHOW TIMESERIES语句查看系统中存在的所有时间序列，SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW TIMESERIES |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>执行结果为：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------------+-----+-------------+--------+--------+-----------+----+----------+ |
| | timeseries|alias|storage group|dataType|encoding|compression|tags|attributes| |
| +-----------------------------+-----+-------------+--------+--------+-----------+----+----------+ |
| |root.ln.wf01.wt01.temperature| null| root.ln| FLOAT| RLE| SNAPPY|null| null| |
| | root.ln.wf01.wt01.status| null| root.ln| BOOLEAN| PLAIN| SNAPPY|null| null| |
| +-----------------------------+-----+-------------+--------+--------+-----------+----+----------+ |
| Total line number = 2 |
| </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><p>查看具体的时间序列root.ln.wf01.wt01.status的SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW TIMESERIES root.ln.wf01.wt01.status |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>执行结果为：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+------------------------+-----+-------------+--------+--------+-----------+----+----------+ |
| | timeseries|alias|storage group|dataType|encoding|compression|tags|attributes| |
| +------------------------+-----+-------------+--------+--------+-----------+----+----------+ |
| |root.ln.wf01.wt01.status| null| root.ln| BOOLEAN| PLAIN| SNAPPY|null| null| |
| +------------------------+-----+-------------+--------+--------+-----------+----+----------+ |
| Total line number = 1 |
| </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><p>接下来，我们使用INSERT语句向root.ln.wf01.wt01.status时间序列中插入数据，在插入数据时需要首先指定时间戳和路径后缀名称：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp,status) values(100,true); |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>我们也可以向多个时间序列中同时插入数据，这些时间序列同属于一个时间戳：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp,status,temperature) values(200,false,20.71) |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>最后，我们查询之前插入的数据。使用SELECT语句我们可以查询指定的时间序列的数据结果，SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT status FROM root.ln.wf01.wt01 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>查询结果如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------+------------------------+ |
| | Time|root.ln.wf01.wt01.status| |
| +-----------------------+------------------------+ |
| |1970-01-01T08:00:00.100| true| |
| |1970-01-01T08:00:00.200| false| |
| +-----------------------+------------------------+ |
| Total line number = 2 |
| </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><p>我们也可以查询多个时间序列的数据结果，SQL语句如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT * FROM root.ln.wf01.wt01 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>查询结果如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>+-----------------------+--------------------------+-----------------------------+ |
| | Time| root.ln.wf01.wt01.status|root.ln.wf01.wt01.temperature| |
| +-----------------------+--------------------------+-----------------------------+ |
| |1970-01-01T08:00:00.100| true| null| |
| |1970-01-01T08:00:00.200| false| 20.71| |
| +-----------------------+--------------------------+-----------------------------+ |
| Total line number = 2 |
| </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><p>输入quit或exit可退出Cli结束本次会话。</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> quit |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>或</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> exit |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>想要浏览更多IoTDB数据库支持的命令，请浏览<a href="/zh/UserGuide/V0.12.x/Appendix/SQL-Reference.html">SQL Reference</a>.</p> <h3 id="停止iotdb"><a href="#停止iotdb" class="header-anchor">#</a> 停止IoTDB</h3> <p>用户可以使用$IOTDB_HOME/sbin文件夹下的stop-server脚本停止IoTDB。</p> <p>Linux系统与MacOS系统停止命令如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> $sbin/stop-server.sh |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统停止命令如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> $sbin\stop-server.bat |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="基础配置"><a href="#基础配置" class="header-anchor">#</a> 基础配置</h2> <p>配置文件在"conf"文件夹下，包括：</p> <ul><li>环境配置模块 (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>),</li> <li>系统配置模块 (<code>iotdb-engine.properties</code>)</li> <li>日志配置模块 (<code>logback.xml</code>).</li></ul></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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