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href="/UserGuide/V1.1.x/QuickStart/QuickStart.html"><!---->Quick Start<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a class="vp-link nav-link active vp-sidebar-link vp-sidebar-page active" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html"><!---->Cluster Quick Start<!----></a><ul class="vp-sidebar-sub-headers"><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_1-installation-and-deployment"><!---->1. Installation and deployment<!----></a><ul class="vp-sidebar-sub-headers"><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_1-1-download"><!---->1.1 download<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_1-2-configuration"><!---->1.2. configuration<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_1-3-start-iotdb-cluster"><!---->1.3. start IoTDB cluster<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#【reference】cleanup"><!---->【reference】Cleanup<!----></a><ul class="vp-sidebar-sub-headers"></ul></li></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_2-expand"><!---->2. Expand<!----></a><ul class="vp-sidebar-sub-headers"><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_2-1-configuration"><!---->2.1. configuration<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_2-2-expand"><!---->2.2. expand<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_2-3-check-the-result"><!---->2.3. check the result<!----></a><ul class="vp-sidebar-sub-headers"></ul></li></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_3-remove-service"><!---->3. Remove service<!----></a><ul class="vp-sidebar-sub-headers"><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_3-1-shrink-service-confignode"><!---->3.1 shrink service ConfigNode<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_3-2-shrink-service-datanode"><!---->3.2 shrink service DataNode<!----></a><ul class="vp-sidebar-sub-headers"></ul></li><li class="vp-sidebar-sub-header"><a class="vp-link nav-link vp-sidebar-link vp-heading" href="/UserGuide/V1.1.x/QuickStart/ClusterQuickStart.html#_3-3-check-the-result"><!---->3.3 check the result<!----></a><ul class="vp-sidebar-sub-headers"></ul></li></ul></li></ul><!--]--></li><li><!--[--><a class="vp-link nav-link vp-sidebar-link vp-sidebar-page" href="/UserGuide/V1.1.x/QuickStart/WayToGetIoTDB.html"><!---->Download and Setup<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a class="vp-link nav-link vp-sidebar-link vp-sidebar-page" href="/UserGuide/V1.1.x/QuickStart/Command-Line-Interface.html"><!---->Command Line Interface<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li><li><!--[--><a class="vp-link nav-link vp-sidebar-link vp-sidebar-page" href="/UserGuide/V1.1.x/QuickStart/Files.html"><!---->Data storage<!----></a><ul class="vp-sidebar-sub-headers"></ul><!--]--></li></ul></section></li><li><section class="vp-sidebar-group"><button class="vp-sidebar-heading clickable" type="button"><!----><span class="vp-sidebar-title">Data Concept</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">Syntax Conventions</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">API</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">Operate Metadata</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">Write Data (Update Data)</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">Delete Data</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">Query Data</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">Operators and Functions</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">Trigger</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">Monitor and Alert</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">Administration</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">Maintenance Tools</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"> Edge - Cloud Collaboration</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">Ecosystem Integration</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">Cluster</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">Reference</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><!---->Cluster Quick Start</h1><div class="page-info"><!----><!----><span class="page-date-info" aria-label="Writing Date"><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 33.145 0 01-33.473-33.473V143.657H180.6A134.314 134.314 0 0046.66 277.595v535.756A134.314 134.314 0 00180.6 947.289h669.74a134.36 134.36 0 00133.94-133.938V277.595a134.314 134.314 0 00-133.94-133.938zm33.473 267.877H147.126a33.145 33.145 0 01-33.473-33.473c0-18.752 14.72-33.473 33.473-33.473h736.687c18.752 0 33.472 14.72 33.472 33.473a33.145 33.145 0 01-33.472 33.473z"></path></svg><span><!----></span><meta property="datePublished" content="2023-10-25T10:37:38.000Z"></span><!----><span class="page-reading-time-info" aria-label="Reading Time"><svg xmlns="http://www.w3.org/2000/svg" class="icon timer-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="timer icon"><path d="M799.387 122.15c4.402-2.978 7.38-7.897 7.38-13.463v-1.165c0-8.933-7.38-16.312-16.312-16.312H256.33c-8.933 0-16.311 7.38-16.311 16.312v1.165c0 5.825 2.977 10.874 7.637 13.592 4.143 194.44 97.22 354.963 220.201 392.763-122.204 37.542-214.893 196.511-220.2 389.397-4.661 5.049-7.638 11.651-7.638 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>About 5 min</span><meta property="timeRequired" content="PT5M"></span><!----><!----></div><hr></div><div class="toc-place-holder"><aside id="toc"><!--[--><!----><!--]--><div class="toc-header">On This Page<button type="button" class="print-button" title="Print"><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="M819.2 364.8h-44.8V128c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v236.8h-44.8C145.067 364.8 96 413.867 96 473.6v192c0 59.733 49.067 108.8 108.8 108.8h44.8V896c0 17.067 14.933 32 32 32h460.8c17.067 0 32-14.933 32-32V774.4h44.8c59.733 0 108.8-49.067 108.8-108.8v-192c0-59.733-49.067-108.8-108.8-108.8zM313.6 160h396.8v204.8H313.6V160zm396.8 704H313.6V620.8h396.8V864zM864 665.6c0 25.6-19.2 44.8-44.8 44.8h-44.8V588.8c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v121.6h-44.8c-25.6 0-44.8-19.2-44.8-44.8v-192c0-25.6 19.2-44.8 44.8-44.8h614.4c25.6 0 44.8 19.2 44.8 44.8v192z"></path></svg></button></div><div class="toc-wrapper"><ul class="toc-list"><!--[--><li class="toc-item"><a class="vp-link toc-link level2" href="/#_1-installation-and-deployment">1. Installation and deployment</a></li><li><ul class="toc-list"><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_1-1-download">1.1 download</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_1-2-configuration">1.2. configuration</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_1-3-start-iotdb-cluster">1.3. start IoTDB cluster</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#【reference】cleanup">【reference】Cleanup</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level2" href="/#_2-expand">2. Expand</a></li><li><ul class="toc-list"><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_2-1-configuration">2.1. configuration</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_2-2-expand">2.2. expand</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_2-3-check-the-result">2.3. check the result</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level2" href="/#_3-remove-service">3. Remove service</a></li><li><ul class="toc-list"><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_3-1-shrink-service-confignode">3.1 shrink service ConfigNode</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_3-2-shrink-service-datanode">3.2 shrink service DataNode</a></li><!----><!--]--><!--[--><li class="toc-item"><a class="vp-link toc-link level3" href="/#_3-3-check-the-result">3.3 check the result</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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| --><h1 id="cluster-quick-start" tabindex="-1"><a class="header-anchor" href="#cluster-quick-start" aria-hidden="true">#</a> Cluster Quick Start</h1><p>The purpose of this article is to show how to start, expand, and shrink an IoTDB cluster in an easy way.</p><p>See also:<br><a href="/UserGuide/V1.1.x/FAQ/Frequently-asked-questions.html" class="">FAQ</a></p><h2 id="_1-installation-and-deployment" tabindex="-1"><a class="header-anchor" href="#_1-installation-and-deployment" aria-hidden="true">#</a> 1. Installation and deployment</h2><p>As an example, we'd like to start an IoTDB cluster with 3 ConfigNodes and 3 DataNodes(3C3D) with minimum modifications. Thus,</p><ul><li>the cluster name is defaultCluster</li><li>data/schema replica is 1</li><li>the max heap size of ConfigNode take the 1/4 of the computer</li><li>the max heap size of DataNode take the 1/4 of the computer</li></ul><p>Suppose there are 3 computers(3 nodes we called here) with Linux OS and JDK installed(detail see <a href="/UserGuide/V1.1.x/QuickStart/QuickStart.html" class="">Prerequisites</a>) and IoTDB working directory is <code>/data/iotdb</code>.<br> IP address and configurations is like below:</p><table><thead><tr><th>Node IP</th><th style="text-align:left;">192.168.132.10</th><th style="text-align:left;">192.168.132.11</th><th style="text-align:left;">192.168.132.12</th></tr></thead><tbody><tr><td>service</td><td style="text-align:left;">ConfigNode</td><td style="text-align:left;">ConfigNode</td><td style="text-align:left;">ConfigNode</td></tr><tr><td>service</td><td style="text-align:left;">DataNode</td><td style="text-align:left;">DataNode</td><td style="text-align:left;">DataNode</td></tr></tbody></table><p>Port:</p><table><thead><tr><th>Service</th><th>ConfigNode</th><th>DataNode</th></tr></thead><tbody><tr><td>port</td><td>10710, 10720</td><td>6667, 10730, 10740, 10750, 10760</td></tr></tbody></table><p><strong>illustration：</strong></p><ul><li>We could use IP address or hostname/domain to set up an IoTDB cluster, then we would take IP address. If using hostname/domain, <code>/etc/hosts</code> must be set well.</li><li>JVM memory configuration: <code>MAX_HEAP_SIZE</code> in <code>confignode-env.sh</code> and <code>datanode-env.sh</code>, equal to or greater than 1G is recommended. It's enough for ConfigNode taking 1~2G. The memory taking of DataNode is decided by the inputing and querying data.</li></ul><h3 id="_1-1-download" tabindex="-1"><a class="header-anchor" href="#_1-1-download" aria-hidden="true">#</a> 1.1 download</h3><p>In every computer, <a href="https://iotdb.apache.org/Download/" target="_blank" rel="noopener noreferrer">Download<span><svg class="external-link-icon" 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"><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="external-link-icon-sr-only">open in new window</span></span></a> the IoTDB install package and extract it to working directory of <code>/data/iotdb</code>.<br> Then get the directory tree:</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code>/data/iotdb/ |
| ├── conf <span class="token comment"># configuration files</span> |
| ├── lib <span class="token comment"># jar library</span> |
| ├── sbin <span class="token comment"># start/stop shell etc.</span> |
| └── tools <span class="token comment"># other tools</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></div><h3 id="_1-2-configuration" tabindex="-1"><a class="header-anchor" href="#_1-2-configuration" aria-hidden="true">#</a> 1.2. configuration</h3><p>Configuration files are in <code>/data/iotdb/conf</code>.<br> Modify the specified configuration file according to the table below:</p><table><thead><tr><th>Configuration</th><th style="text-align:left;">Configuration Option</th><th>IP:192.168.132.10</th><th>IP:192.168.132.11</th><th style="text-align:left;">IP:192.168.132.12</th></tr></thead><tbody><tr><td>iotdb-confignode.properties</td><td style="text-align:left;">cn_internal_address</td><td>192.168.132.10</td><td>192.168.132.11</td><td style="text-align:left;">192.168.132.12</td></tr><tr><td></td><td style="text-align:left;">cn_target_config_node_list</td><td>192.168.132.10:10710</td><td>192.168.132.10:10710</td><td style="text-align:left;">192.168.132.10:10710</td></tr><tr><td>iotdb-datanode.properties</td><td style="text-align:left;">dn_rpc_address</td><td>192.168.132.10</td><td>192.168.132.11</td><td style="text-align:left;">192.168.132.12</td></tr><tr><td></td><td style="text-align:left;">dn_internal_address</td><td>192.168.132.10</td><td>192.168.132.11</td><td style="text-align:left;">192.168.132.12</td></tr><tr><td></td><td style="text-align:left;">dn_target_config_node_list</td><td>192.168.132.10:10710</td><td>192.168.132.10:10710</td><td style="text-align:left;">192.168.132.10:10710</td></tr></tbody></table><p><strong>Notice:</strong><br> It's recommended that the configurations of iotdb-common.properties and the heap size of JVM in all nodes are the same.</p><h3 id="_1-3-start-iotdb-cluster" tabindex="-1"><a class="header-anchor" href="#_1-3-start-iotdb-cluster" aria-hidden="true">#</a> 1.3. start IoTDB cluster</h3><p>Before starting the IoTDB cluster, make sure the configurations are correct and there is no any data in the working directory.</p><h4 id="_1-3-1-start-the-first-node" tabindex="-1"><a class="header-anchor" href="#_1-3-1-start-the-first-node" aria-hidden="true">#</a> 1.3.1. start the first node</h4><p>That is <code>cn_target_config_node_list</code> in above configuration table.<br> Execute these commands below in node of <code>192.168.132.10</code>.</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token builtin class-name">cd</span> /data/iotdb |
| <span class="token comment"># start ConfigNode and DataNode services</span> |
| sbin/start-standalone.sh |
| |
| <span class="token comment"># check DataNode logs to see whether starting successfully or not</span> |
| <span class="token function">tail</span> <span class="token parameter variable">-f</span> logs/log_datanode_all.log |
| <span class="token comment"># expecting statements like below</span> |
| <span class="token comment"># 2023-07-21 20:26:01,881 [main] INFO o.a.i.db.service.DataNode:192 - Congratulation, IoTDB DataNode is set up successfully. Now, enjoy yourself!</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></div><p>If there is no such logs mentioned abolve or there are some <code>Exception</code>s in log files, it's failed. Then please check <code>log_confignode_all.log</code> and <code>log_datanode_all.log</code> in directory of <code>/data/iotdb/logs</code>.</p><p><strong>Notice</strong>：</p><ul><li>Make sure the first node, especially the first ConfigNode that <code>cn_target_config_node_list</code> specified, starting successfully, and then start the other services.</li><li>If starting failed，it's necessary to do <a href="#%E3%80%90reference%E3%80%91cleanup">cleanup</a> before starting again.</li><li>How to start service ConfigNode or DataNode alone:</li></ul><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token comment"># start ConfigNode alone in daemon</span> |
| sbin/start-confignode.sh <span class="token parameter variable">-d</span> |
| <span class="token comment"># start DataNode alone in daemon</span> |
| sbin/start-datanode.sh <span class="token parameter variable">-d</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></div><h4 id="_1-3-2-start-service-confignode-and-datanode-in-other-nodes" tabindex="-1"><a class="header-anchor" href="#_1-3-2-start-service-confignode-and-datanode-in-other-nodes" aria-hidden="true">#</a> 1.3.2. start service ConfigNode and DataNode in other nodes</h4><p>Execute commands below in both 192.168.132.11 and 192.168.132.12:</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token builtin class-name">cd</span> /data/iotdb |
| <span class="token comment"># start service ConfigNode and DataNode</span> |
| sbin/start-standalone.sh |
| </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></div><p>If starting failed, it's necessary to do <a href="#%E3%80%90reference%E3%80%91cleanup">cleanup</a> in all nodes, and then doging all again from starting the first node.</p><h4 id="_1-3-3-check-the-cluster-status" tabindex="-1"><a class="header-anchor" href="#_1-3-3-check-the-cluster-status" aria-hidden="true">#</a> 1.3.3. check the cluster status</h4><p>If everything goes well, the cluster will start successfully. Then, we can start the Cli for verification.</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code>/data/iotdb/sbin/start-cli.sh <span class="token parameter variable">-h</span> <span class="token number">192.168</span>.132.10 |
| IoTDB<span class="token operator">></span>show cluster<span class="token punctuation">;</span> |
| <span class="token comment"># example result:</span> |
| +------+----------+-------+---------------+------------+-------+---------+ |
| <span class="token operator">|</span>NodeID<span class="token operator">|</span> NodeType<span class="token operator">|</span> Status<span class="token operator">|</span>InternalAddress<span class="token operator">|</span>InternalPort<span class="token operator">|</span>Version<span class="token operator">|</span>BuildInfo<span class="token operator">|</span> |
| +------+----------+-------+---------------+------------+-------+---------+ |
| <span class="token operator">|</span> <span class="token number">0</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.10<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">1</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.10<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">2</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.11<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">3</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.11<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">4</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.12<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">5</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.12<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</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>illustration:</strong><br> The IP address of <code>start-cli.sh -h</code> could be any IP address of DataNode service.</p><h3 id="【reference】cleanup" tabindex="-1"><a class="header-anchor" href="#【reference】cleanup" aria-hidden="true">#</a> 【reference】Cleanup</h3><p>Execute commands in every node:</p><ol><li>End processes of ConfigNode and DataNode</li></ol><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token comment"># 1. Stop services ConfigNode and DataNode</span> |
| sbin/stop-standalone.sh |
| |
| <span class="token comment"># 2. Check whether there are IoTDB processes left or not</span> |
| jps |
| <span class="token comment"># 或者</span> |
| <span class="token function">ps</span> -ef<span class="token operator">|</span>gerp iotdb |
| |
| <span class="token comment"># 3. If there is any IoTDB process left, kill it</span> |
| <span class="token function">kill</span> <span class="token parameter variable">-9</span> <span class="token operator"><</span>pid<span class="token operator">></span> |
| <span class="token comment"># If there is only 1 IoTDB instance, execue command below to remove all IoTDB process</span> |
| <span class="token function">ps</span> -ef<span class="token operator">|</span><span class="token function">grep</span> iotdb<span class="token operator">|</span><span class="token function">grep</span> <span class="token parameter variable">-v</span> <span class="token function">grep</span><span class="token operator">|</span><span class="token function">tr</span> <span class="token parameter variable">-s</span> <span class="token string">' '</span> <span class="token string">' '</span> <span class="token operator">|</span><span class="token function">cut</span> <span class="token parameter variable">-d</span> <span class="token string">' '</span> -f2<span class="token operator">|</span><span class="token function">xargs</span> <span class="token function">kill</span> <span class="token parameter variable">-9</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></div><ol start="2"><li>Remove directories of data and logs</li></ol><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token builtin class-name">cd</span> /data/iotdb |
| <span class="token function">rm</span> <span class="token parameter variable">-rf</span> data logs |
| </code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p><strong>illustration:</strong><br> It's necessary to remove directory of <code>data</code> but it's not necessary to remove directory of <code>logs</code>, only for convenience.</p><h2 id="_2-expand" tabindex="-1"><a class="header-anchor" href="#_2-expand" aria-hidden="true">#</a> 2. Expand</h2><p><code>Expand</code> means add services of ConfigNode or DataNode into an existing IoTDB cluster.</p><p>It's the same as starting the other nodes mentioned above. That is downloading IoTDB install package, extracting, configurating and then starting. The new node here is <code>192.168.132.13</code>.<br><strong>Notice</strong></p><ul><li>It's must be cleaned up, in other words doing <a href="#cleanup">cleanup</a> in it.</li><li><code>cluster_name</code> of <code>iotdb-common.properties</code> must be the same to the cluster.</li><li><code>cn_target_config_node_list</code> and <code>dn_target_config_node_list</code> must be the same to the cluster.</li><li>The old data wouldn't be moved to the new node but the new data would be.</li></ul><h3 id="_2-1-configuration" tabindex="-1"><a class="header-anchor" href="#_2-1-configuration" aria-hidden="true">#</a> 2.1. configuration</h3><p>Modify the specified configuration file according to the table below:</p><table><thead><tr><th>Configuration</th><th style="text-align:left;">Configuration Option</th><th style="text-align:left;">IP:192.168.132.13</th></tr></thead><tbody><tr><td>iotdb-confignode.properties</td><td style="text-align:left;">cn_internal_address</td><td style="text-align:left;">192.168.132.13</td></tr><tr><td></td><td style="text-align:left;">cn_target_config_node_list</td><td style="text-align:left;">192.168.132.10:10710</td></tr><tr><td>iotdb-datanode.properties</td><td style="text-align:left;">dn_rpc_address</td><td style="text-align:left;">192.168.132.13</td></tr><tr><td></td><td style="text-align:left;">dn_internal_address</td><td style="text-align:left;">192.168.132.13</td></tr><tr><td></td><td style="text-align:left;">dn_target_config_node_list</td><td style="text-align:left;">192.168.132.10:10710</td></tr></tbody></table><h3 id="_2-2-expand" tabindex="-1"><a class="header-anchor" href="#_2-2-expand" aria-hidden="true">#</a> 2.2. expand</h3><p>Execute commands below in new node of <code>192.168.132.13</code>:</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token builtin class-name">cd</span> /data/iotdb |
| <span class="token comment"># start service ConfigNode and DataNode</span> |
| sbin/start-standalone.sh |
| </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></div><h3 id="_2-3-check-the-result" tabindex="-1"><a class="header-anchor" href="#_2-3-check-the-result" aria-hidden="true">#</a> 2.3. check the result</h3><p>Execute <code>show cluster</code> through Cli and the result like below:</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code>/data/iotdb/sbin/start-cli.sh <span class="token parameter variable">-h</span> <span class="token number">192.168</span>.132.10 |
| IoTDB<span class="token operator">></span>show cluster<span class="token punctuation">;</span> |
| <span class="token comment"># example result：</span> |
| +------+----------+-------+---------------+------------+-------+---------+ |
| <span class="token operator">|</span>NodeID<span class="token operator">|</span> NodeType<span class="token operator">|</span> Status<span class="token operator">|</span>InternalAddress<span class="token operator">|</span>InternalPort<span class="token operator">|</span>Version<span class="token operator">|</span>BuildInfo<span class="token operator">|</span> |
| +------+----------+-------+---------------+------------+-------+---------+ |
| <span class="token operator">|</span> <span class="token number">0</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.10<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">1</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.10<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">2</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.11<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">3</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.11<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">4</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.12<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">5</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.12<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">6</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.13<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">7</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.13<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</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 class="line-number"></div><div class="line-number"></div></div></div><h2 id="_3-remove-service" tabindex="-1"><a class="header-anchor" href="#_3-remove-service" aria-hidden="true">#</a> 3. Remove service</h2><p><code>Shrink</code> means removing a service from the IoTDB cluster.<br><strong>Notice:</strong></p><ul><li><code>Shrink</code> could be done in any node within the cluster</li><li>Any service could be shrinked within cluster. But the DataNode service of the cluster must greater than the data replica of iotdb-common.properties.</li><li>Be patient to wait for the end of shrinking, and then read the guide in logs carefully.</li></ul><h3 id="_3-1-shrink-service-confignode" tabindex="-1"><a class="header-anchor" href="#_3-1-shrink-service-confignode" aria-hidden="true">#</a> 3.1 shrink service ConfigNode</h3><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token builtin class-name">cd</span> /data/iotdb |
| <span class="token comment"># way 1: shrink with ip:port</span> |
| sbin/remove-confignode.sh <span class="token number">192.168</span>.132.13:10710 |
| |
| <span class="token comment"># way 2: shrink with NodeID of `show cluster`</span> |
| sbin/remove-confignode.sh <span class="token number">6</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></div><h3 id="_3-2-shrink-service-datanode" tabindex="-1"><a class="header-anchor" href="#_3-2-shrink-service-datanode" aria-hidden="true">#</a> 3.2 shrink service DataNode</h3><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code><span class="token builtin class-name">cd</span> /data/iotdb |
| <span class="token comment"># way 1: shrink with ip:port</span> |
| sbin/remove-datanode.sh <span class="token number">192.168</span>.132.13:6667 |
| |
| <span class="token comment"># way 2: shrink with NodeID of `show cluster`</span> |
| sbin/remove-confignode.sh <span class="token number">7</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></div><h3 id="_3-3-check-the-result" tabindex="-1"><a class="header-anchor" href="#_3-3-check-the-result" aria-hidden="true">#</a> 3.3 check the result</h3><p>Execute <code>show cluster</code> through Cli, the result is like below:</p><div class="language-bash line-numbers-mode" data-ext="sh"><pre class="language-bash"><code>+------+----------+-------+---------------+------------+-------+---------+ |
| <span class="token operator">|</span>NodeID<span class="token operator">|</span> NodeType<span class="token operator">|</span> Status<span class="token operator">|</span>InternalAddress<span class="token operator">|</span>InternalPort<span class="token operator">|</span>Version<span class="token operator">|</span>BuildInfo<span class="token operator">|</span> |
| +------+----------+-------+---------------+------------+-------+---------+ |
| <span class="token operator">|</span> <span class="token number">0</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.10<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">1</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.10<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">2</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.11<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">3</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.11<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">4</span><span class="token operator">|</span>ConfigNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.12<span class="token operator">|</span> <span class="token number">10710</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| <span class="token operator">|</span> <span class="token number">5</span><span class="token operator">|</span> DataNode<span class="token operator">|</span>Running<span class="token operator">|</span> <span class="token number">192.168</span>.132.12<span class="token operator">|</span> <span class="token number">10730</span><span class="token operator">|</span><span class="token number">1</span>.x.x <span class="token operator">|</span> xxxxxxx<span class="token operator">|</span> |
| +------+----------+-------+---------------+------------+-------+---------+ |
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