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19.03v5.825h566.49v-5.825c0-7.379-2.849-13.981-7.509-18.9-5.049-193.016-97.867-351.985-220.2-389.527 123.24-37.67 216.446-198.453 220.588-392.892zM531.16 450.445v352.632c117.674 1.553 211.787 40.778 211.787 88.676H304.097c0-48.286 95.149-87.382 213.728-88.676V450.445c-93.077-3.107-167.901-81.297-167.901-177.093 0-8.803 6.99-15.793 15.793-15.793 8.803 0 15.794 6.99 15.794 15.793 0 80.261 63.69 145.635 142.01 145.635s142.011-65.374 142.011-145.635c0-8.803 6.99-15.793 15.794-15.793s15.793 6.99 15.793 15.793c0 95.019-73.789 172.82-165.96 177.093z"></path></svg><span>About 7 min</span><meta property="timeRequired" content="PT7M"></span><!----><!----></div><hr></div><div class="vp-toc-placeholder"><aside id="toc" vp-toc><!----><!--[--><div class="vp-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" name="print"><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 class="arrow end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#_1-prerequisites">1. Prerequisites</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#_2-preparation">2. Preparation</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#_3-installation-steps">3. Installation Steps</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-1-configure-hostnames">3.1 Configure Hostnames</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-2-extract-installation-package">3.2 Extract Installation Package</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-3-parameters-configuration">3.3 Parameters Configuration</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-4-start-confignode-instances">3.4 Start ConfigNode Instances</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-5-start-datanode-instances">3.5 Start DataNode Instances</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-6-start-cli">3.6 Start CLI</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_3-7-one-click-cluster-start-and-stop">3.7 One-click Cluster Start and Stop</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#_4-maintenance">4. Maintenance</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_4-1-confignode-maintenance">4.1 ConfigNode Maintenance</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_4-2-datanode-maintenance">4.2 DataNode Maintenance</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#_5-common-issues">5. Common Issues</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#_6-appendix">6. Appendix</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_6-1-confignode-parameters">6.1 ConfigNode Parameters</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#_6-2-datanode-parameters">6.2 DataNode Parameters</a></li><!----><!--]--></ul></li><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--]--><!----></aside></div><!----><div class="theme-hope-content" vp-content><h1 id="cluster-deployment" tabindex="-1"><a class="header-anchor" href="#cluster-deployment"><span>Cluster Deployment</span></a></h1><p>This guide describes how to manually deploy a cluster instance consisting of 3 ConfigNodes and 3 DataNodes (commonly referred to as a 3C3D cluster).</p><div align="center"><img src="/img/cluster02.png" alt="" style="width:60%;"></div><h2 id="_1-prerequisites" tabindex="-1"><a class="header-anchor" href="#_1-prerequisites"><span>1. Prerequisites</span></a></h2><ol><li><p><strong>System Preparation</strong>: Ensure the system has been configured according to the <a class="route-link" href="/UserGuide/latest-Table/Deployment-and-Maintenance/Environment-Requirements.html">System Requirements</a>.</p></li><li><p><strong>IP Configuration</strong>: It is recommended to use hostnames for IP configuration to prevent issues caused by IP address changes. Set the hostname by editing the <code>/etc/hosts</code> file. For example, if the local IP is <code>192.168.1.3</code> and the hostname is <code>iotdb-1</code>, run:</p></li></ol><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#56B6C2;">echo</span><span style="color:#98C379;"> "192.168.1.3 iotdb-1"</span><span style="color:#ABB2BF;"> >> </span><span style="color:#98C379;">/etc/hosts</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p>Use the hostname for <code>cn_internal_address</code> and <code>dn_internal_address</code> in IoTDB configuration.</p><ol start="3"><li><p><strong>Unmodifiable Parameters</strong>: Some parameters cannot be changed after the first startup. Refer to the <a href="#22-parameters-configuration">Parameter Configuration</a> section.</p></li><li><p><strong>Installation Path</strong>: Ensure the installation path contains no spaces or non-ASCII characters to prevent runtime issues.</p></li><li><p><strong>User Permissions</strong>: Choose one of the following permissions during installation and deployment:</p><ul><li><strong>Root User (Recommended)</strong>: This avoids permission-related issues.</li><li><strong>Non-Root User</strong>: <ul><li>Use the same user for all operations, including starting, activating, and stopping services.</li><li>Avoid using <code>sudo</code>, which can cause permission conflicts.</li></ul></li></ul></li><li><p><strong>Monitoring Panel</strong>: Deploy a monitoring panel to track key performance metrics. Contact the Timecho team for access and refer to the <a class="route-link" href="/UserGuide/latest-Table/Deployment-and-Maintenance/Monitoring-panel-deployment.html">Monitoring Board Install and Deploy</a>.</p></li></ol><h2 id="_2-preparation" tabindex="-1"><a class="header-anchor" href="#_2-preparation"><span>2. Preparation</span></a></h2><ol><li><p>Prepare the IoTDB database installation package:：apache-iotdb-{version}-all-bin.zip（Please refer to the installation package for details：<a class="route-link" href="/UserGuide/latest-Table/Deployment-and-Maintenance/IoTDB-Package_apache.html">IoTDB-Package</a>）</p></li><li><p>Configure the operating system environment according to environmental requirements (system environment configuration can be found in:<a class="route-link" href="/UserGuide/latest-Table/Deployment-and-Maintenance/Environment-Requirements.html">Environment Requirement</a>）</p></li></ol><h2 id="_3-installation-steps" tabindex="-1"><a class="header-anchor" href="#_3-installation-steps"><span>3. Installation Steps</span></a></h2><p>Taking a cluster with three Linux servers with the following information as example:</p><table><thead><tr><th>Node IP</th><th>Hostname</th><th>Services</th></tr></thead><tbody><tr><td>11.101.17.224</td><td>iotdb-1</td><td>ConfigNode, DataNode</td></tr><tr><td>11.101.17.225</td><td>iotdb-2</td><td>ConfigNode, DataNode</td></tr><tr><td>11.101.17.226</td><td>iotdb-3</td><td>ConfigNode, DataNode</td></tr></tbody></table><h3 id="_3-1-configure-hostnames" tabindex="-1"><a class="header-anchor" href="#_3-1-configure-hostnames"><span>3.1 Configure Hostnames</span></a></h3><p>On all three servers, configure the hostnames by editing the <code>/etc/hosts</code> file. Use the following commands:</p><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#56B6C2;">echo</span><span style="color:#98C379;"> "11.101.17.224 iotdb-1"</span><span style="color:#ABB2BF;"> >> </span><span style="color:#98C379;">/etc/hosts</span></span> |
| <span class="line"><span style="color:#56B6C2;">echo</span><span style="color:#98C379;"> "11.101.17.225 iotdb-2"</span><span style="color:#ABB2BF;"> >> </span><span style="color:#98C379;">/etc/hosts</span></span> |
| <span class="line"><span style="color:#56B6C2;">echo</span><span style="color:#98C379;"> "11.101.17.226 iotdb-3"</span><span style="color:#ABB2BF;"> >> </span><span style="color:#98C379;">/etc/hosts</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="_3-2-extract-installation-package" tabindex="-1"><a class="header-anchor" href="#_3-2-extract-installation-package"><span>3.2 Extract Installation Package</span></a></h3><p>Unzip the installation package and navigate to the directory:</p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>unzip apache-iotdb-{version}-all-bin.zip </span></span> |
| <span class="line"><span>cd apache-iotdb-{version}-all-bin</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="_3-3-parameters-configuration" tabindex="-1"><a class="header-anchor" href="#_3-3-parameters-configuration"><span>3.3 Parameters Configuration</span></a></h3><h4 id="_3-3-1-memory-configuration" tabindex="-1"><a class="header-anchor" href="#_3-3-1-memory-configuration"><span>3.3.1 Memory Configuration</span></a></h4><p>Edit the following files for memory allocation:</p><ul><li><strong>ConfigNode</strong>: <code>./conf/confignode-env.sh</code> (or <code>.bat</code> for Windows)</li><li><strong>DataNode</strong>: <code>./conf/datanode-env.sh</code> (or <code>.bat</code> for Windows)</li></ul><table><thead><tr><th style="text-align:left;"><strong>Parameter</strong></th><th style="text-align:left;"><strong>Description</strong></th><th style="text-align:left;"><strong>Default</strong></th><th style="text-align:left;"><strong>Recommended</strong></th><th style="text-align:left;"><strong>Notes</strong></th></tr></thead><tbody><tr><td style="text-align:left;">MEMORY_SIZE</td><td style="text-align:left;">Total memory allocated to the node</td><td style="text-align:left;">Empty</td><td style="text-align:left;">As needed</td><td style="text-align:left;">Effective after restarting the service.</td></tr></tbody></table><h4 id="_3-3-2-general-configuration" tabindex="-1"><a class="header-anchor" href="#_3-3-2-general-configuration"><span>3.3.2 General Configuration</span></a></h4><p>Set the following parameters in <code>./conf/iotdb-system.properties</code>. Refer to <code>./conf/iotdb-system.properties.template</code> for a complete list.</p><p><strong>Cluster-Level Parameters</strong>:</p><table><thead><tr><th style="text-align:left;"><strong>Parameter</strong></th><th style="text-align:left;"><strong>Description</strong></th><th style="text-align:left;"><strong>11.101.17.224</strong></th><th style="text-align:left;"><strong>11.101.17.225</strong></th><th style="text-align:left;"><strong>11.101.17.226</strong></th></tr></thead><tbody><tr><td style="text-align:left;">cluster_name</td><td style="text-align:left;">Name of the cluster</td><td style="text-align:left;">defaultCluster</td><td style="text-align:left;">defaultCluster</td><td style="text-align:left;">defaultCluster</td></tr><tr><td style="text-align:left;">schema_replication_factor</td><td style="text-align:left;">Metadata replication factor; DataNode count shall not be fewer than this value</td><td style="text-align:left;">3</td><td style="text-align:left;">3</td><td style="text-align:left;">3</td></tr><tr><td style="text-align:left;">data_replication_factor</td><td style="text-align:left;">Data replication factor; DataNode count shall not be fewer than this value</td><td style="text-align:left;">2</td><td style="text-align:left;">2</td><td style="text-align:left;">2</td></tr></tbody></table><p><strong>ConfigNode Parameters</strong>:</p><table><thead><tr><th style="text-align:left;"><strong>Parameter</strong></th><th style="text-align:left;"><strong>Description</strong></th><th style="text-align:left;"><strong>Default</strong></th><th style="text-align:left;"><strong>Recommended</strong></th><th style="text-align:left;"><strong>11.101.17.224</strong></th><th style="text-align:left;"><strong>11.101.17.225</strong></th><th style="text-align:left;"><strong>11.101.17.226</strong></th><th style="text-align:left;"><strong>Notes</strong></th></tr></thead><tbody><tr><td style="text-align:left;">cn_internal_address</td><td style="text-align:left;">Address used for internal communication within the cluster</td><td style="text-align:left;">127.0.0.1</td><td style="text-align:left;">Server's IPv4 address or hostname. Use hostname to avoid issues when the IP changes.</td><td style="text-align:left;">iotdb-1</td><td style="text-align:left;">iotdb-2</td><td style="text-align:left;">iotdb-3</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">cn_internal_port</td><td style="text-align:left;">Port used for internal communication within the cluster</td><td style="text-align:left;">10710</td><td style="text-align:left;">10710</td><td style="text-align:left;">10710</td><td style="text-align:left;">10710</td><td style="text-align:left;">10710</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">cn_consensus_port</td><td style="text-align:left;">Port used for consensus protocol communication among ConfigNode replicas</td><td style="text-align:left;">10720</td><td style="text-align:left;">10720</td><td style="text-align:left;">10720</td><td style="text-align:left;">10720</td><td style="text-align:left;">10720</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">cn_seed_config_node</td><td style="text-align:left;">Address of the ConfigNode for registering and joining the cluster. (e.g.,<code>cn_internal_address:cn_internal_port</code>)</td><td style="text-align:left;">127.0.0.1:10710</td><td style="text-align:left;">Address and port of the seed ConfigNode (e.g., <code>cn_internal_address:cn_internal_port</code>)</td><td style="text-align:left;">iotdb-1:10710</td><td style="text-align:left;">iotdb-1:10710</td><td style="text-align:left;">iotdb-1:10710</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr></tbody></table><p><strong>DataNode Parameters</strong>:</p><table><thead><tr><th style="text-align:left;"><strong>Parameter</strong></th><th style="text-align:left;"><strong>Description</strong></th><th style="text-align:left;"><strong>Default</strong></th><th style="text-align:left;"><strong>Recommended</strong></th><th style="text-align:left;"><strong>11.101.17.224</strong></th><th style="text-align:left;"><strong>11.101.17.225</strong></th><th style="text-align:left;"><strong>11.101.17.226</strong></th><th style="text-align:left;"><strong>Notes</strong></th></tr></thead><tbody><tr><td style="text-align:left;">dn_rpc_address</td><td style="text-align:left;">Address for the client RPC service</td><td style="text-align:left;">0.0.0.0</td><td style="text-align:left;">0.0.0.0</td><td style="text-align:left;">0.0.0.0</td><td style="text-align:left;">0.0.0.0</td><td style="text-align:left;">0.0.0.0</td><td style="text-align:left;">Effective after restarting the service.</td></tr><tr><td style="text-align:left;">dn_rpc_port</td><td style="text-align:left;">Port for the client RPC service</td><td style="text-align:left;">6667</td><td style="text-align:left;">6667</td><td style="text-align:left;">6667</td><td style="text-align:left;">6667</td><td style="text-align:left;">6667</td><td style="text-align:left;">Effective after restarting the service.</td></tr><tr><td style="text-align:left;">dn_internal_address</td><td style="text-align:left;">Address used for internal communication within the cluster</td><td style="text-align:left;">127.0.0.1</td><td style="text-align:left;">Server's IPv4 address or hostname. Use hostname to avoid issues when the IP changes.</td><td style="text-align:left;">iotdb-1</td><td style="text-align:left;">iotdb-2</td><td style="text-align:left;">iotdb-3</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">dn_internal_port</td><td style="text-align:left;">Port used for internal communication within the cluster</td><td style="text-align:left;">10730</td><td style="text-align:left;">10730</td><td style="text-align:left;">10730</td><td style="text-align:left;">10730</td><td style="text-align:left;">10730</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">dn_mpp_data_exchange_port</td><td style="text-align:left;">Port used for receiving data streams</td><td style="text-align:left;">10740</td><td style="text-align:left;">10740</td><td style="text-align:left;">10740</td><td style="text-align:left;">10740</td><td style="text-align:left;">10740</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">dn_data_region_consensus_port</td><td style="text-align:left;">Port used for data replica consensus protocol communication</td><td style="text-align:left;">10750</td><td style="text-align:left;">10750</td><td style="text-align:left;">10750</td><td style="text-align:left;">10750</td><td style="text-align:left;">10750</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">dn_schema_region_consensus_port</td><td style="text-align:left;">Port used for metadata replica consensus protocol communication</td><td style="text-align:left;">10760</td><td style="text-align:left;">10760</td><td style="text-align:left;">10760</td><td style="text-align:left;">10760</td><td style="text-align:left;">10760</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr><tr><td style="text-align:left;">dn_seed_config_node</td><td style="text-align:left;">Address of the ConfigNode for registering and joining the cluster.(e.g.,<code>cn_internal_address:cn_internal_port</code>)</td><td style="text-align:left;">127.0.0.1:10710</td><td style="text-align:left;">Address of the first ConfigNode</td><td style="text-align:left;">iotdb-1:10710</td><td style="text-align:left;">iotdb-1:10710</td><td style="text-align:left;">iotdb-1:10710</td><td style="text-align:left;">This parameter cannot be modified after the first startup.</td></tr></tbody></table><p><strong>Note:</strong> Ensure files are saved after editing. Tools like VSCode Remote do not save changes automatically.</p><h3 id="_3-4-start-confignode-instances" tabindex="-1"><a class="header-anchor" href="#_3-4-start-confignode-instances"><span>3.4 Start ConfigNode Instances</span></a></h3><ol><li>Start the first ConfigNode (<code>iotdb-1</code>) as the seed node</li></ol><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#56B6C2;"> cd</span><span style="color:#98C379;"> sbin</span></span> |
| <span class="line"><span style="color:#61AFEF;"> ./start-confignode.sh</span><span style="color:#D19A66;"> -d</span><span style="color:#7F848E;font-style:italic;"> # The "-d" flag starts the process in the background.</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div></div></div><ol start="2"><li>Start the remaining ConfigNodes (<code>iotdb-2</code> and <code>iotdb-3</code>) in sequence.</li></ol><p>If the startup fails, refer to the <a href="#5-common-issues">Common Issues</a> section below for troubleshooting.</p><h3 id="_3-5-start-datanode-instances" tabindex="-1"><a class="header-anchor" href="#_3-5-start-datanode-instances"><span>3.5 Start DataNode Instances</span></a></h3><p>On each server, navigate to the <code>sbin</code> directory and start the DataNode:</p><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#56B6C2;"> cd</span><span style="color:#98C379;"> sbin</span></span> |
| <span class="line"><span style="color:#61AFEF;"> ./start-datanode.sh</span><span style="color:#D19A66;"> -d</span><span style="color:#7F848E;font-style:italic;"> # The "-d" flag starts the process in the background.</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="_3-6-start-cli" tabindex="-1"><a class="header-anchor" href="#_3-6-start-cli"><span>3.6 Start CLI</span></a></h3><p>Enter the IoTDB CLI.</p><div class="language-sql line-numbers-mode" data-highlighter="shiki" data-ext="sql" data-title="sql" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#ABB2BF;"># </span><span style="color:#C678DD;">For</span><span style="color:#ABB2BF;"> Linux </span><span style="color:#C678DD;">or</span><span style="color:#ABB2BF;"> macOS</span></span> |
| <span class="line"><span style="color:#ABB2BF;">./</span><span style="color:#C678DD;">start</span><span style="color:#ABB2BF;">-</span><span style="color:#D19A66;">cli</span><span style="color:#ABB2BF;">.</span><span style="color:#D19A66;">sh</span><span style="color:#ABB2BF;"> -sql_dialect </span><span style="color:#C678DD;">table</span></span> |
| <span class="line"></span> |
| <span class="line"><span style="color:#ABB2BF;"># </span><span style="color:#C678DD;">For</span><span style="color:#C678DD;"> Windows</span></span> |
| <span class="line"><span style="color:#ABB2BF;">./</span><span style="color:#C678DD;">start</span><span style="color:#ABB2BF;">-</span><span style="color:#D19A66;">cli</span><span style="color:#ABB2BF;">.</span><span style="color:#D19A66;">bat</span><span style="color:#ABB2BF;"> -sql_dialect </span><span style="color:#C678DD;">table</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><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="_3-7-one-click-cluster-start-and-stop" tabindex="-1"><a class="header-anchor" href="#_3-7-one-click-cluster-start-and-stop"><span>3.7 One-click Cluster Start and Stop</span></a></h3><h4 id="_3-7-1-overview" tabindex="-1"><a class="header-anchor" href="#_3-7-1-overview"><span>3.7.1 Overview</span></a></h4><p>Within the root directory of IoTDB, the <code>sbin </code>subdirectory houses the <code>start-all.sh</code> and <code>stop-all.sh</code> scripts, which work in concert with the <code>iotdb-cluster.properties</code> configuration file located in the <code>conf</code> subdirectory. This synergy enables the one-click initiation or termination of all nodes within the cluster from a single node. This approach facilitates efficient management of the IoTDB cluster's lifecycle, streamlining the deployment and operational maintenance processes.</p><p>This following section will introduce the specific configuration items in the <code>iotdb-cluster.properties</code> file.</p><h4 id="_3-7-2-configuration-items" tabindex="-1"><a class="header-anchor" href="#_3-7-2-configuration-items"><span>3.7.2 Configuration Items</span></a></h4><blockquote><p>Note:</p><ul><li>When the cluster changes, this configuration file needs to be manually updated.</li><li>If the <code>iotdb-cluster.properties</code> configuration file is not set up and the <code>start-all.sh</code> or <code>stop-all.sh</code> scripts are executed, the scripts will, by default, start or stop the ConfigNode and DataNode nodes located in the IOTDB_HOME directory where the scripts reside.</li><li>It is recommended to configure SSH passwordless login: If not configured, the script will prompt for the server password after execution to facilitate subsequent start, stop, or destroy operations. If already configured, there is no need to enter the server password during script execution.</li></ul></blockquote><ul><li>confignode_address_list</li></ul><table><thead><tr><th style="text-align:center;"><strong>Name</strong></th><th style="text-align:left;"><strong>confignode_address_list</strong></th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">A list of IP addresses of the hosts where the ConfigNodes to be started/stopped are located. If there are multiple, they should be separated by commas.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">None</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting the system</td></tr></tbody></table><ul><li>datanode_address_list</li></ul><table><thead><tr><th style="text-align:center;"><strong>Name</strong></th><th style="text-align:left;"><strong>datanode_address_list</strong></th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">A list of IP addresses of the hosts where the DataNodes to be started/stopped are located. If there are multiple, they should be separated by commas.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">None</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting the system</td></tr></tbody></table><ul><li>ssh_account</li></ul><table><thead><tr><th style="text-align:center;"><strong>Name</strong></th><th style="text-align:left;"><strong>ssh_account</strong></th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The username used to log in to the target hosts via SSH. All hosts must have the same username.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">root</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting the system</td></tr></tbody></table><ul><li>ssh_port</li></ul><table><thead><tr><th style="text-align:center;"><strong>Name</strong></th><th style="text-align:left;"><strong>ssh_port</strong></th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The SSH port exposed by the target hosts. All hosts must have the same SSH port.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">22</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting the system</td></tr></tbody></table><ul><li>confignode_deploy_path</li></ul><table><thead><tr><th style="text-align:center;"><strong>Name</strong></th><th style="text-align:left;"><strong>confignode_deploy_path</strong></th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The path on the target hosts where all ConfigNodes to be started/stopped are located. All ConfigNodes must be in the same directory on their respective hosts.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">None</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting the system</td></tr></tbody></table><ul><li>datanode_deploy_path</li></ul><table><thead><tr><th style="text-align:center;"><strong>Name</strong></th><th style="text-align:left;"><strong>datanode_deploy_path</strong></th></tr></thead><tbody><tr><td style="text-align:center;">Description</td><td style="text-align:left;">The path on the target hosts where all DataNodes to be started/stopped are located. All DataNodes must be in the same directory on their respective hosts.</td></tr><tr><td style="text-align:center;">Type</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">Default</td><td style="text-align:left;">None</td></tr><tr><td style="text-align:center;">Effective</td><td style="text-align:left;">After restarting the system</td></tr></tbody></table><h2 id="_4-maintenance" tabindex="-1"><a class="header-anchor" href="#_4-maintenance"><span>4. Maintenance</span></a></h2><h3 id="_4-1-confignode-maintenance" tabindex="-1"><a class="header-anchor" href="#_4-1-confignode-maintenance"><span>4.1 ConfigNode Maintenance</span></a></h3><p>ConfigNode maintenance includes adding and removing ConfigNodes. Common use cases include:</p><ul><li><strong>Cluster Expansion:</strong> If the cluster contains only 1 ConfigNode, adding 2 more ConfigNodes enhances high availability, resulting in a total of 3 ConfigNodes.</li><li><strong>Cluster Fault Recovery:</strong> If a ConfigNode's machine fails and it cannot function normally, remove the faulty ConfigNode and add a new one to the cluster.</li></ul><p><strong>Note:</strong> After completing ConfigNode maintenance, ensure that the cluster contains either 1 or 3 active ConfigNodes. Two ConfigNodes do not provide high availability, and more than three ConfigNodes can degrade performance.</p><h4 id="_4-1-1-adding-a-confignode" tabindex="-1"><a class="header-anchor" href="#_4-1-1-adding-a-confignode"><span>4.1.1 Adding a ConfigNode</span></a></h4><p><strong>Linux / MacOS :</strong></p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>sbin/start-confignode.sh</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p><strong>Windows:</strong></p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>sbin/start-confignode.bat</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><h4 id="_4-1-2-removing-a-confignode" tabindex="-1"><a class="header-anchor" href="#_4-1-2-removing-a-confignode"><span>4.1.2 Removing a ConfigNode</span></a></h4><ol><li>Connect to the cluster using the CLI and confirm the internal address and port of the ConfigNode to be removed:</li></ol><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>show confignodes;</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p>Example output:</p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>IoTDB> show confignodes</span></span> |
| <span class="line"><span>+------+-------+---------------+------------+--------+</span></span> |
| <span class="line"><span>|NodeID| Status|InternalAddress|InternalPort| Role|</span></span> |
| <span class="line"><span>+------+-------+---------------+------------+--------+</span></span> |
| <span class="line"><span>| 0|Running| 127.0.0.1| 10710| Leader|</span></span> |
| <span class="line"><span>| 1|Running| 127.0.0.1| 10711|Follower|</span></span> |
| <span class="line"><span>| 2|Running| 127.0.0.1| 10712|Follower|</span></span> |
| <span class="line"><span>+------+-------+---------------+------------+--------+</span></span> |
| <span class="line"><span>Total line number = 3</span></span> |
| <span class="line"><span>It costs 0.030s</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><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 the ConfigNode using the script:</li></ol><p><strong>Linux / MacOS:</strong></p><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#61AFEF;">sbin/remove-confignode.sh</span><span style="color:#ABB2BF;"> [confignode_id]</span></span> |
| <span class="line"><span style="color:#7F848E;font-style:italic;"># Or:</span></span> |
| <span class="line"><span style="color:#61AFEF;">sbin/remove-confignode.sh</span><span style="color:#ABB2BF;"> [cn_internal_address:cn_internal_port]</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p><strong>Windows:</strong></p><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#61AFEF;">sbin/remove-confignode.bat</span><span style="color:#ABB2BF;"> [confignode_id]</span></span> |
| <span class="line"><span style="color:#7F848E;font-style:italic;"># Or:</span></span> |
| <span class="line"><span style="color:#61AFEF;">sbin/remove-confignode.bat</span><span style="color:#ABB2BF;"> [cn_internal_address:cn_internal_port]</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="_4-2-datanode-maintenance" tabindex="-1"><a class="header-anchor" href="#_4-2-datanode-maintenance"><span>4.2 DataNode Maintenance</span></a></h3><p>DataNode maintenance includes adding and removing DataNodes. Common use cases include:</p><ul><li><strong>Cluster Expansion:</strong> Add new DataNodes to increase cluster capacity.</li><li><strong>Cluster Fault Recovery:</strong> If a DataNode's machine fails and it cannot function normally, remove the faulty DataNode and add a new one to the cluster.</li></ul><p><strong>Note:</strong> During and after DataNode maintenance, ensure that the number of active DataNodes is not fewer than the data replication factor (usually 2) or the schema replication factor (usually 3).</p><h4 id="_4-2-1-adding-a-datanode" tabindex="-1"><a class="header-anchor" href="#_4-2-1-adding-a-datanode"><span>4.2.1 Adding a DataNode</span></a></h4><p><strong>Linux / MacOS:</strong></p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>sbin/start-datanode.sh</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p><strong>Windows:</strong></p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>sbin/start-datanode.bat</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p><strong>Note:</strong> After adding a DataNode, the cluster load will gradually balance across all nodes as new writes arrive and old data expires (if TTL is set).</p><h4 id="_4-2-2-removing-a-datanode" tabindex="-1"><a class="header-anchor" href="#_4-2-2-removing-a-datanode"><span>4.2.2 Removing a DataNode</span></a></h4><ol><li>Connect to the cluster using the CLI and confirm the RPC address and port of the DataNode to be removed:</li></ol><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>show datanodes;</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p>Example output:</p><div class="language-plain line-numbers-mode" data-highlighter="shiki" data-ext="plain" data-title="plain" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span>IoTDB> show datanodes</span></span> |
| <span class="line"><span>+------+-------+----------+-------+-------------+---------------+</span></span> |
| <span class="line"><span>|NodeID| Status|RpcAddress|RpcPort|DataRegionNum|SchemaRegionNum|</span></span> |
| <span class="line"><span>+------+-------+----------+-------+-------------+---------------+</span></span> |
| <span class="line"><span>| 1|Running| 0.0.0.0| 6667| 0| 0|</span></span> |
| <span class="line"><span>| 2|Running| 0.0.0.0| 6668| 1| 1|</span></span> |
| <span class="line"><span>| 3|Running| 0.0.0.0| 6669| 1| 0|</span></span> |
| <span class="line"><span>+------+-------+----------+-------+-------------+---------------+</span></span> |
| <span class="line"><span>Total line number = 3</span></span> |
| <span class="line"><span>It costs 0.110s</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><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 the DataNode using the script:</li></ol><p><strong>Linux / MacOS:</strong></p><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#61AFEF;">sbin/remove-datanode.sh</span><span style="color:#ABB2BF;"> [dn_rpc_address:dn_rpc_port]</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p><strong>Windows:</strong></p><div class="language-bash line-numbers-mode" data-highlighter="shiki" data-ext="bash" data-title="bash" style="background-color:#282c34;color:#abb2bf;"><pre class="shiki one-dark-pro vp-code"><code><span class="line"><span style="color:#61AFEF;">sbin/remove-datanode.bat</span><span style="color:#ABB2BF;"> [dn_rpc_address:dn_rpc_port]</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><h2 id="_5-common-issues" tabindex="-1"><a class="header-anchor" href="#_5-common-issues"><span>5. Common Issues</span></a></h2><ol><li>ConfigNode Fails to Start</li><li>Review the startup logs to check if any parameters, which cannot be modified after the first startup, were changed.</li><li>Check the logs for any other errors. If unresolved, contact technical support for assistance.</li><li>If the deployment is fresh or data can be discarded, clean the environment and redeploy using the following steps:</li></ol><pre><code>**Clean the Environment** |
| </code></pre><ol><li>Stop all ConfigNode and DataNode processes:</li></ol><pre><code>```Bash |
| sbin/stop-standalone.sh |
| ``` |
| </code></pre><ol start="2"><li>Check for any remaining processes:</li></ol><pre><code>```Bash |
| jps |
| # or |
| ps -ef | grep iotdb |
| ``` |
| </code></pre><ol start="3"><li>If processes remain, terminate them manually:</li></ol><pre><code>```Bash |
| kill -9 <pid> |
| |
| #For systems with a single IoTDB instance, you can clean up residual processes with: |
| ps -ef | grep iotdb | grep -v grep | tr -s ' ' ' ' | cut -d ' ' -f2 | xargs kill -9 |
| ``` |
| </code></pre><ol start="4"><li>Delete the <code>data</code> and <code>logs</code> directories:</li></ol><pre><code>```Bash |
| cd /data/iotdb |
| rm -rf data logs |
| ``` |
| </code></pre><h2 id="_6-appendix" tabindex="-1"><a class="header-anchor" href="#_6-appendix"><span>6. Appendix</span></a></h2><h3 id="_6-1-confignode-parameters" tabindex="-1"><a class="header-anchor" href="#_6-1-confignode-parameters"><span>6.1 ConfigNode Parameters</span></a></h3><table><thead><tr><th style="text-align:left;">Parameter</th><th style="text-align:left;">Description</th><th style="text-align:left;">Required</th></tr></thead><tbody><tr><td style="text-align:left;">-d</td><td style="text-align:left;">Starts the process in daemon mode (runs in the background).</td><td style="text-align:left;">No</td></tr></tbody></table><h3 id="_6-2-datanode-parameters" tabindex="-1"><a class="header-anchor" href="#_6-2-datanode-parameters"><span>6.2 DataNode Parameters</span></a></h3><table><thead><tr><th style="text-align:left;">Parameter</th><th style="text-align:left;">Description</th><th style="text-align:left;">Required</th></tr></thead><tbody><tr><td style="text-align:left;">-v</td><td style="text-align:left;">Displays version information.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-f</td><td style="text-align:left;">Runs the script in the foreground without backgrounding it.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-d</td><td style="text-align:left;">Starts the process in daemon mode (runs in the background).</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-p</td><td style="text-align:left;">Specifies a file to store the process ID for process management.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-c</td><td style="text-align:left;">Specifies the path to the configuration folder; the script loads configuration files from this location.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-g</td><td style="text-align:left;">Prints detailed garbage collection (GC) information.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-H</td><td style="text-align:left;">Specifies the path for the Java heap dump file, used during JVM memory overflow.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-E</td><td style="text-align:left;">Specifies the file for JVM error logs.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-D</td><td style="text-align:left;">Defines system properties in the format <code>key=value</code>.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-X</td><td style="text-align:left;">Passes <code>-XX</code> options directly to the JVM.</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-h</td><td style="text-align:left;">Displays the help instructions.</td><td style="text-align:left;">No</td></tr></tbody></table></div><!----><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a class="auto-link external-link vp-meta-label" href="https://github.com/apache/iotdb-docs/edit/main/src/UserGuide/latest-Table/Deployment-and-Maintenance/Cluster-Deployment_apache.md" aria-label="Found Error? 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