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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 User Guide (V0.11.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>Get Started</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/UserGuide/V0.11.x/Get Started/QuickStart.html" class="active sidebar-link">QuickStart</a></li><li><a href="/UserGuide/V0.11.x/Get Started/Frequently asked questions.html" class="sidebar-link">Frequently asked questions</a></li><li><a href="/UserGuide/V0.11.x/Get Started/Publication.html" class="sidebar-link">Research Papers</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Overview</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Concept</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Server</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Client</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Operation Manual</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>System Tools</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Ecosystem Integration</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Architecture</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Comparison with TSDBs</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="quick-start"><a href="#quick-start" class="header-anchor">#</a> Quick Start</h1> <h2 id="outline"><a href="#outline" class="header-anchor">#</a> Outline</h2> <ul><li>Quick Start</li> <li>Prerequisites</li> <li>Installation |
| <ul><li>Build from source |
| <ul><li>Configurations</li></ul></li></ul></li> <li>Start |
| <ul><li>Start IoTDB</li> <li>Use IoTDB |
| <ul><li>Use Cli</li> <li>Basic commands for IoTDB</li></ul></li> <li>Stop IoTDB</li></ul></li> <li>Only build server</li> <li>Only build cli</li></ul> <p>This short guide will walk you through the basic process of using IoTDB. For a more-complete guide, please visit our website's <a href="/UserGuide/V0.11.x/Overview/What is IoTDB.html">User Guide</a>.</p> <h2 id="prerequisites"><a href="#prerequisites" class="header-anchor">#</a> Prerequisites</h2> <p>To use IoTDB, you need to have:</p> <ol><li>Java >= 1.8 (Please make sure the environment path has been set)</li> <li>Set the max open files num as 65535 to avoid "too many open files" problem.</li></ol> <h2 id="installation"><a href="#installation" class="header-anchor">#</a> Installation</h2> <p>IoTDB provides you three installation methods, you can refer to the following suggestions, choose one of them:</p> <ul><li>Installation from source code. If you need to modify the code yourself, you can use this method.</li> <li>Installation from binary files. Download the binary files from the official website. This is the recommended method, in which you will get a binary released package which is out-of-the-box.(Coming Soon...)</li> <li>Using Docker：The path to the dockerfile is https://github.com/apache/iotdb/blob/master/docker/src/main</li></ul> <p>Here in the Quick Start, we give a brief introduction to install IoTDB. For further information, please refer to Chapter 3 of the User Guide.</p> <h2 id="download"><a href="#download" class="header-anchor">#</a> Download</h2> <p>You can download the binary file from: |
| <a href="/Download/">Here</a></p> <h2 id="configurations"><a href="#configurations" class="header-anchor">#</a> Configurations</h2> <p>configuration files are under "conf" folder</p> <ul><li>environment config module (<code>iotdb-env.bat</code>, <code>iotdb-env.sh</code>),</li> <li>system config module (<code>iotdb-engine.properties</code>)</li> <li>log config module (<code>logback.xml</code>).</li></ul> <p>For more, see <a href="/UserGuide/V0.11.x/Server/Download.html">Chapter3: Server</a> in detail.</p> <h2 id="start"><a href="#start" class="header-anchor">#</a> Start</h2> <p>You can go through the following step to test the installation, if there is no error after execution, the installation is completed.</p> <h3 id="start-iotdb"><a href="#start-iotdb" class="header-anchor">#</a> Start IoTDB</h3> <p>Users can start IoTDB by the start-server script under the sbin folder.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X |
| > 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 & |
| |
| # Windows |
| > 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><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>"-c" and "-rpc_port" are optional.</li> <li>option "-c" specifies the system configuration file directory.</li> <li>option "-rpc_port" specifies the rpc port.</li> <li>if both option specified, the <em>rpc_port</em> will overrides the rpc_port in <em>conf_path</em>.</li></ul> <p>if you want to use JMX to connect IOTDB, you may need to add</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>-Dcom.sun.management.jmxremote.rmi.port=PORT -Djava.rmi.server.hostname=IP |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>to $IOTDB_JMX_OPTS in iotdb-env.sh. or iotdb-env.bat</p> <h3 id="use-iotdb"><a href="#use-iotdb" class="header-anchor">#</a> Use IoTDB</h3> <h4 id="use-cli"><a href="#use-cli" class="header-anchor">#</a> Use Cli</h4> <p>IoTDB offers different ways to interact with server, here we introduce basic steps of using Cli tool to insert and query data.</p> <p>After installing IoTDB, there is a default user 'root', its default password is also 'root'. Users can use this |
| default user to login Cli to use IoTDB. The startup script of Cli is the start-cli script in the folder sbin. When executing the script, user should assign |
| IP, PORT, USER_NAME and PASSWORD. The default parameters are "-h 127.0.0.1 -p 6667 -u root -pw -root".</p> <p>Here is the command for starting the Cli:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X |
| > sbin/start-cli.sh -h 127.0.0.1 -p 6667 -u root -pw root |
| |
| # Windows |
| > 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><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>The command line client is interactive so if everything is ready you should see the welcome logo and statements:</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><h4 id="basic-commands-for-iotdb"><a href="#basic-commands-for-iotdb" class="header-anchor">#</a> Basic commands for IoTDB</h4> <p>Now, let us introduce the way of creating timeseries, inserting data and querying data.</p> <p>The data in IoTDB is organized as timeseries, in each timeseries there are some data-time pairs, and every timeseries is owned by a storage group. Before defining a timeseries, we should define a storage group using SET STORAGE GROUP, and here is an example:</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>We can also use SHOW STORAGE GROUP to check created storage group:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW STORAGE GROUP |
| +-----------------------------------+ |
| | Storage Group| |
| +-----------------------------------+ |
| | root.ln| |
| +-----------------------------------+ |
| storage group 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><span class="line-number">7</span><br></div></div><p>After the storage group is set, we can use CREATE TIMESERIES to create new timeseries. When we create a timeseries, we should define its data type and the encoding scheme. We create two timeseries as follow:</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>To query the specific timeseries, use SHOW TIMESERIES <Path>. <Path> represents the path of the timeseries. Its default value is null, which means querying all the timeseries in the system(the same as using "SHOW TIMESERIES root"). Here are the examples:</p> <ol><li>Query all timeseries in the system:</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW TIMESERIES |
| +-------------------------------+---------------+--------+--------+ |
| | Timeseries| Storage Group|DataType|Encoding| |
| +-------------------------------+---------------+--------+--------+ |
| | root.ln.wf01.wt01.status| root.ln| BOOLEAN| PLAIN| |
| | root.ln.wf01.wt01.temperature| root.ln| FLOAT| RLE| |
| +-------------------------------+---------------+--------+--------+ |
| Total timeseries 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><span class="line-number">8</span><br></div></div><ol start="2"><li>Query a specific timeseries(root.ln.wf01.wt01.status):</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SHOW TIMESERIES root.ln.wf01.wt01.status |
| +------------------------------+--------------+--------+--------+ |
| | Timeseries| Storage Group|DataType|Encoding| |
| +------------------------------+--------------+--------+--------+ |
| | root.ln.wf01.wt01.status| root.ln| BOOLEAN| PLAIN| |
| +------------------------------+--------------+--------+--------+ |
| Total timeseries 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><span class="line-number">7</span><br></div></div><p>Insert timeseries data is the basic operation of IoTDB, you can use ‘INSERT’ command to finish this. Before insert you should assign the timestamp and the suffix path name:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp,status) values(100,true); |
| 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><span class="line-number">2</span><br></div></div><p>The data we’ve just inserted displays like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT status FROM root.ln.wf01.wt01 |
| +-----------------------+------------------------+ |
| | 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><span class="line-number">8</span><br></div></div><p>We can also query several timeseries data at once like this:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> SELECT * FROM root.ln.wf01.wt01 |
| +-----------------------+--------------------------+-----------------------------+ |
| | 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><span class="line-number">8</span><br></div></div><p>The commands to exit the Cli are:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> quit |
| or |
| IoTDB> exit |
| </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>For more on what commands are supported by IoTDB SQL, see <a href="/UserGuide/V0.11.x/Operation Manual/SQL Reference.html">SQL Reference</a>.</p> <h3 id="stop-iotdb"><a href="#stop-iotdb" class="header-anchor">#</a> Stop IoTDB</h3> <p>The server can be stopped with ctrl-C or the following script:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code># Unix/OS X |
| > sbin/stop-server.sh |
| |
| # Windows |
| > sbin\stop-server.bat |
| </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><h2 id="only-build-cli"><a href="#only-build-cli" class="header-anchor">#</a> Only build cli</h2> <p>Under the root path of iotdb:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>> mvn clean package -pl cli -am -DskipTests |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be in the folder "cli/target/iotdb-cli-{project.version}".</p></div> <div class="page-nav"><p class="inner"><!----> <span class="next"><a href="/UserGuide/V0.11.x/Get Started/Frequently asked questions.html"> |
| Frequently asked questions |
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| </span></p></div> <p style="text-align: center;">Copyright © 2020 The Apache Software Foundation.<br> |
| Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444"> |
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