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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="#note">Note</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#preparation-steps">Preparation Steps</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#installation-steps">Installation Steps</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#set-host-name">Set Host Name</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#configuration">Configuration</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#start-confignode">Start ConfigNode</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#activate-database">Activate Database</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#start-datanode">Start DataNode</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#verify-deployment">Verify Deployment</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#node-maintenance-steps">Node Maintenance Steps</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#confignode-node-maintenance">ConfigNode Node Maintenance</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#datanode-node-maintenance">DataNode Node Maintenance</a></li><!----><!--]--></ul></li><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#common-problem">Common Problem</a></li><!----><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!----></aside></div><!----><div class="theme-hope-content"><h1 id="cluster-deployment" tabindex="-1"><a class="header-anchor" href="#cluster-deployment"><span>Cluster Deployment</span></a></h1><p>This section describes how to manually deploy an instance that includes 3 ConfigNodes and 3 DataNodes, commonly known as a 3C3D cluster.</p><div align="center"><img src="https://alioss.timecho.com/docs/img/20240705141552.png" alt="" style="width:60%;"></div><h2 id="note" tabindex="-1"><a class="header-anchor" href="#note"><span>Note</span></a></h2><ol><li><p>Before installation, ensure that the system is complete by referring to <a class="route-link" href="/UserGuide/latest/Deployment-and-Maintenance/Environment-Requirements.html">System configuration</a></p></li><li><p>It is recommended to prioritize using <code>hostname</code> for IP configuration during deployment, which can avoid the problem of modifying the host IP in the later stage and causing the database to fail to start. To set the host name, you need to configure /etc/hosts on the target server. For example, if the local IP is 192.168.1.3 and the host name is iotdb-1, you can use the following command to set the server's host name and configure the <code>cn_internal_address</code> and <code>dn_internal_address</code> of IoTDB using the host name.</p><div class="language-bash line-numbers-mode" data-highlighter="prismjs" data-ext="sh" data-title="sh"><pre><code><span class="line"><span class="token builtin class-name">echo</span> <span class="token string">"192.168.1.3 iotdb-1"</span> <span class="token operator">>></span> /etc/hosts </span> |
| <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div></li><li><p>Some parameters cannot be modified after the first startup. Please refer to the "Parameter Configuration" section below for settings.</p></li><li><p>Whether in linux or windows, ensure that the IoTDB installation path does not contain Spaces and Chinese characters to avoid software exceptions.</p></li><li><p>Please note that when installing and deploying IoTDB (including activating and using software), it is necessary to use the same user for operations. You can:</p></li></ol><ul><li>Using root user (recommended): Using root user can avoid issues such as permissions.</li><li>Using a fixed non root user: <ul><li>Using the same user operation: Ensure that the same user is used for start, activation, stop, and other operations, and do not switch users.</li><li>Avoid using sudo: Try to avoid using sudo commands as they execute commands with root privileges, which may cause confusion or security issues.</li></ul></li></ul><ol start="6"><li>It is recommended to deploy a monitoring panel, which can monitor important operational indicators and keep track of database operation status at any time. The monitoring panel can be obtained by contacting the business department,The steps for deploying a monitoring panel can refer to:<a class="route-link" href="/UserGuide/latest/Deployment-and-Maintenance/Monitoring-panel-deployment.html">Monitoring Panel Deployment</a></li></ol><h2 id="preparation-steps" tabindex="-1"><a class="header-anchor" href="#preparation-steps"><span>Preparation Steps</span></a></h2><ol><li>Prepare the IoTDB database installation package: iotdb enterprise- {version}-bin.zip（The installation package can be obtained from:<a class="route-link" href="/UserGuide/latest/Deployment-and-Maintenance/IoTDB-Package_timecho.html">IoTDB-Package</a>）</li><li>Configure the operating system environment according to environmental requirements（The system environment configuration can be found in:<a class="route-link" href="/UserGuide/latest/Deployment-and-Maintenance/Environment-Requirements.html">Environment Requirements</a>）</li></ol><h2 id="installation-steps" tabindex="-1"><a class="header-anchor" href="#installation-steps"><span>Installation Steps</span></a></h2><p>Assuming there are three Linux servers now, the IP addresses and service roles are assigned as follows:</p><table><thead><tr><th>Node IP</th><th>Host Name</th><th>Service</th></tr></thead><tbody><tr><td>192.168.1.3</td><td>iotdb-1</td><td>ConfigNode、DataNode</td></tr><tr><td>192.168.1.4</td><td>iotdb-2</td><td>ConfigNode、DataNode</td></tr><tr><td>192.168.1.5</td><td>iotdb-3</td><td>ConfigNode、DataNode</td></tr></tbody></table><h3 id="set-host-name" tabindex="-1"><a class="header-anchor" href="#set-host-name"><span>Set Host Name</span></a></h3><p>On three machines, configure the host names separately. To set the host names, configure <code>/etc/hosts</code> on the target server. Use the following command:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">echo "192.168.1.3 iotdb-1" >> /etc/hosts</span> |
| <span class="line">echo "192.168.1.4 iotdb-2" >> /etc/hosts</span> |
| <span class="line">echo "192.168.1.5 iotdb-3" >> /etc/hosts </span> |
| <span class="line"></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="configuration" tabindex="-1"><a class="header-anchor" href="#configuration"><span>Configuration</span></a></h3><p>Unzip the installation package and enter the installation directory</p><div class="language-Plain line-numbers-mode" data-highlighter="prismjs" data-ext="Plain" data-title="Plain"><pre><code><span class="line">unzip iotdb-enterprise-{version}-bin.zip</span> |
| <span class="line">cd iotdb-enterprise-{version}-bin</span> |
| <span class="line"></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><h4 id="environment-script-configuration" tabindex="-1"><a class="header-anchor" href="#environment-script-configuration"><span>Environment script configuration</span></a></h4><ul><li><p><code>./conf/confignode-env.sh</code> configuration</p><table><thead><tr><th style="text-align:left;"><strong>Configuration</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 value</strong></th><th style="text-align:left;"><strong>Note</strong></th></tr></thead><tbody><tr><td style="text-align:left;">MEMORY_SIZE</td><td style="text-align:left;">The total amount of memory that IoTDB ConfigNode nodes can use</td><td style="text-align:left;">-</td><td style="text-align:left;">Can be filled in as needed, and the system will allocate memory based on the filled in values</td><td style="text-align:left;">Restarting the service takes effect</td></tr></tbody></table></li><li><p><code>./conf/datanode-env.sh</code> configuration</p><table><thead><tr><th style="text-align:left;"><strong>Configuration</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 value</strong></th><th style="text-align:left;"><strong>Note</strong></th></tr></thead><tbody><tr><td style="text-align:left;">MEMORY_SIZE</td><td style="text-align:left;">The total amount of memory that IoTDB DataNode nodes can use</td><td style="text-align:left;">-</td><td style="text-align:left;">Can be filled in as needed, and the system will allocate memory based on the filled in values</td><td style="text-align:left;">Restarting the service takes effect</td></tr></tbody></table></li></ul><h4 id="general-configuration" tabindex="-1"><a class="header-anchor" href="#general-configuration"><span>General Configuration</span></a></h4><p>Open the general configuration file <code>./conf/iotdb-common.properties</code>,The following parameters can be set according to the deployment method:</p><table><thead><tr><th><strong>Configuration</strong></th><th><strong>Description</strong></th><th>192.168.1.3</th><th>192.168.1.4</th><th>192.168.1.5</th></tr></thead><tbody><tr><td>cluster_name</td><td>Cluster Name</td><td>defaultCluster</td><td>defaultCluster</td><td>defaultCluster</td></tr><tr><td>schema_replication_factor</td><td>The number of metadata replicas, the number of DataNodes should not be less than this number</td><td>3</td><td>3</td><td>3</td></tr><tr><td>data_replication_factor</td><td>The number of data replicas should not be less than this number of DataNodes</td><td>2</td><td>2</td><td>2</td></tr></tbody></table><h4 id="confignode-configuration" tabindex="-1"><a class="header-anchor" href="#confignode-configuration"><span><strong>ConfigNode Configuration</strong></span></a></h4><p>Open the ConfigNode configuration file <code>./conf/iotdb-confignode.properties</code>,Set the following parameters</p><table><thead><tr><th><strong>Configuration</strong></th><th><strong>Description</strong></th><th><strong>Default</strong></th><th><strong>Recommended value</strong></th><th>192.168.1.3</th><th>192.168.1.4</th><th>192.168.1.5</th><th>Note</th></tr></thead><tbody><tr><td>cn_internal_address</td><td>The address used by ConfigNode for communication within the cluster</td><td>127.0.0.1</td><td>The IPV4 address or host name of the server where it is located, and it is recommended to use host name</td><td>iotdb-1</td><td>iotdb-2</td><td>iotdb-3</td><td>Cannot be modified after initial startup</td></tr><tr><td>cn_internal_port</td><td>The port used by ConfigNode for communication within the cluster</td><td>10710</td><td>10710</td><td>10710</td><td>10710</td><td>10710</td><td>Cannot be modified after initial startup</td></tr><tr><td>cn_consensus_port</td><td>The port used for ConfigNode replica group consensus protocol communication</td><td>10720</td><td>10720</td><td>10720</td><td>10720</td><td>10720</td><td>Cannot be modified after initial startup</td></tr><tr><td>cn_seed_config_node</td><td>The address of the ConfigNode that the node connects to when registering to join the cluster, <code>cn_internal_address:cn_internal_port</code></td><td>127.0.0.1:10710</td><td>The first CongfigNode's <code>cn_internal-address: cn_internal_port</code></td><td>iotdb-1:10710</td><td>iotdb-1:10710</td><td>iotdb-1:10710</td><td>Cannot be modified after initial startup</td></tr></tbody></table><h4 id="datanode-configuration" tabindex="-1"><a class="header-anchor" href="#datanode-configuration"><span>DataNode Configuration</span></a></h4><p>Open DataNode Configuration File <code>./conf/iotdb-datanode.properties</code>,Set the following parameters:</p><table><thead><tr><th><strong>Configuration</strong></th><th><strong>Description</strong></th><th><strong>Default</strong></th><th><strong>Recommended value</strong></th><th>192.168.1.3</th><th>192.168.1.4</th><th>192.168.1.5</th><th>Note</th></tr></thead><tbody><tr><td>dn_rpc_address</td><td>The address of the client RPC service</td><td>0.0.0.0</td><td>0.0.0.0</td><td>0.0.0.0</td><td>0.0.0.0</td><td>0.0.0.0</td><td>Restarting the service takes effect</td></tr><tr><td>dn_rpc_port</td><td>The port of the client RPC service</td><td>6667</td><td>6667</td><td>6667</td><td>6667</td><td>6667</td><td>Restarting the service takes effect</td></tr><tr><td>dn_internal_address</td><td>The address used by DataNode for communication within the cluster</td><td>127.0.0.1</td><td>The IPV4 address or host name of the server where it is located, and it is recommended to use host name</td><td>iotdb-1</td><td>iotdb-2</td><td>iotdb-3</td><td>Cannot be modified after initial startup</td></tr><tr><td>dn_internal_port</td><td>The port used by DataNode for communication within the cluster</td><td>10730</td><td>10730</td><td>10730</td><td>10730</td><td>10730</td><td>Cannot be modified after initial startup</td></tr><tr><td>dn_mpp_data_exchange_port</td><td>The port used by DataNode to receive data streams</td><td>10740</td><td>10740</td><td>10740</td><td>10740</td><td>10740</td><td>Cannot be modified after initial startup</td></tr><tr><td>dn_data_region_consensus_port</td><td>The port used by DataNode for data replica consensus protocol communication</td><td>10750</td><td>10750</td><td>10750</td><td>10750</td><td>10750</td><td>Cannot be modified after initial startup</td></tr><tr><td>dn_schema_region_consensus_port</td><td>The port used by DataNode for metadata replica consensus protocol communication</td><td>10760</td><td>10760</td><td>10760</td><td>10760</td><td>10760</td><td>Cannot be modified after initial startup</td></tr><tr><td>dn_seed_config_node</td><td>The ConfigNode address that the node connects to when registering to join the cluster, i.e. <code>cn_internal-address: cn_internal_port</code></td><td>127.0.0.1:10710</td><td>The first CongfigNode's cn_internal-address: cn_internal_port</td><td>iotdb-1:10710</td><td>iotdb-1:10710</td><td>iotdb-1:10710</td><td>Cannot be modified after initial startup</td></tr></tbody></table><blockquote><p>❗️Attention: Editors such as VSCode Remote do not have automatic configuration saving function. Please ensure that the modified files are saved persistently, otherwise the configuration items will not take effect</p></blockquote><h3 id="start-confignode" tabindex="-1"><a class="header-anchor" href="#start-confignode"><span>Start ConfigNode</span></a></h3><p>Start the first confignode of IoTDB-1 first, ensuring that the seed confignode node starts first, and then start the second and third confignode nodes in sequence</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">cd sbin</span> |
| <span class="line">./start-confignode.sh -d #"- d" parameter will start in the background</span> |
| <span class="line"></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="activate-database" tabindex="-1"><a class="header-anchor" href="#activate-database"><span>Activate Database</span></a></h3><h4 id="method-1-activate-file-copy-activation" tabindex="-1"><a class="header-anchor" href="#method-1-activate-file-copy-activation"><span>Method 1: Activate file copy activation</span></a></h4><ul><li>After starting three confignode nodes in sequence, copy the <code>activation</code> folder of each machine and the <code>system_info</code> file of each machine to the Timecho staff;</li><li>The staff will return the license files for each ConfigNode node, where 3 license files will be returned;</li><li>Put the three license files into the <code>activation</code> folder of the corresponding ConfigNode node;</li></ul><h4 id="method-2-activate-script-activation" tabindex="-1"><a class="header-anchor" href="#method-2-activate-script-activation"><span>Method 2: Activate Script Activation</span></a></h4><ul><li><p>Obtain the machine codes of three machines in sequence, enter the <code>sbin</code> directory of the installation directory, and execute the activation script <code>start activate.sh</code>:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">cd sbin</span> |
| <span class="line">./start-activate.sh</span> |
| <span class="line"></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></li><li><p>The following information is displayed, where the machine code of one machine is displayed:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">Please copy the system_info's content and send it to Timecho:</span> |
| <span class="line">Y17hFA0xRCE1TmkVxILuxxxxxxxxxxxxxxxxxxxxxxxxxxxxW5P52KCccFMVeHTc=</span> |
| <span class="line">Please enter license:</span> |
| <span class="line"></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></li><li><p>The other two nodes execute the activation script <code>start activate.sh</code> in sequence, and then copy the machine codes of the three machines obtained to the Timecho staff</p></li><li><p>The staff will return 3 activation codes, which normally correspond to the order of the provided 3 machine codes. Please paste each activation code into the previous command line prompt <code>Please enter license:</code>, as shown below:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">Please enter license:</span> |
| <span class="line">Jw+MmF+Atxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx5bAOXNeob5l+HO5fEMgzrW8OJPh26Vl6ljKUpCvpTiw==</span> |
| <span class="line">License has been stored to sbin/../activation/license</span> |
| <span class="line">Import completed. Please start cluster and excute 'show cluster' to verify activation status</span> |
| <span class="line"></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></div></li></ul><h3 id="start-datanode" tabindex="-1"><a class="header-anchor" href="#start-datanode"><span>Start DataNode</span></a></h3><p>Enter the <code>sbin</code> directory of iotdb and start three datanode nodes in sequence:</p><div class="language-Go line-numbers-mode" data-highlighter="prismjs" data-ext="Go" data-title="Go"><pre><code><span class="line">cd sbin</span> |
| <span class="line">./start-datanode.sh -d #"- d" parameter will start in the background</span> |
| <span class="line"></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="verify-deployment" tabindex="-1"><a class="header-anchor" href="#verify-deployment"><span>Verify Deployment</span></a></h3><p>Can be executed directly Cli startup script in <code>./sbin</code> directory:</p><div class="language-Plain line-numbers-mode" data-highlighter="prismjs" data-ext="Plain" data-title="Plain"><pre><code><span class="line">./start-cli.sh -h ip(local IP or domain name) -p port(6667)</span> |
| <span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div></div></div><p>After successful startup, the following interface will appear displaying successful installation of IOTDB.</p><figure><img src="https://alioss.timecho.com/docs/img/企业版成功.png" alt="" tabindex="0" loading="lazy"><figcaption></figcaption></figure><p>After the installation success interface appears, continue to check if the activation is successful and use the <code>show cluster</code> command.</p><p>When you see the display of <code>Activated</code> on the far right, it indicates successful activation.</p><figure><img src="https://alioss.timecho.com/docs/img/企业版激活.png" alt="" tabindex="0" loading="lazy"><figcaption></figcaption></figure><blockquote><p>The appearance of <code>ACTIVATED (W)</code> indicates passive activation, which means that this Configurable Node does not have a license file (or has not issued the latest license file with a timestamp), and its activation depends on other Activated Configurable Nodes in the cluster. At this point, it is recommended to check if the license file has been placed in the license folder. If not, please place the license file. If a license file already exists, it may be due to inconsistency between the license file of this node and the information of other nodes. Please contact Timecho staff to reapply.</p></blockquote><h2 id="node-maintenance-steps" tabindex="-1"><a class="header-anchor" href="#node-maintenance-steps"><span>Node Maintenance Steps</span></a></h2><h3 id="confignode-node-maintenance" tabindex="-1"><a class="header-anchor" href="#confignode-node-maintenance"><span>ConfigNode Node Maintenance</span></a></h3><p>ConfigNode node maintenance is divided into two types of operations: adding and removing ConfigNodes, with two common use cases:</p><ul><li>Cluster expansion: For example, when there is only one ConfigNode in the cluster, and you want to increase the high availability of ConfigNode nodes, you can add two ConfigNodes, making a total of three ConfigNodes in the cluster.</li><li>Cluster failure recovery: When the machine where a ConfigNode is located fails, making the ConfigNode unable to run normally, you can remove this ConfigNode and then add a new ConfigNode to the cluster.</li></ul><blockquote><p>❗️Note, after completing ConfigNode node maintenance, you need to ensure that there are 1 or 3 ConfigNodes running normally in the cluster. Two ConfigNodes do not have high availability, and more than three ConfigNodes will lead to performance loss.</p></blockquote><h4 id="adding-confignode-nodes" tabindex="-1"><a class="header-anchor" href="#adding-confignode-nodes"><span>Adding ConfigNode Nodes</span></a></h4><p>Script command:</p><div class="language-bash line-numbers-mode" data-highlighter="prismjs" data-ext="sh" data-title="sh"><pre><code><span class="line"><span class="token comment"># Linux / MacOS</span></span> |
| <span class="line"><span class="token comment"># First switch to the IoTDB root directory</span></span> |
| <span class="line">sbin/start-confignode.sh</span> |
| <span class="line"></span> |
| <span class="line"><span class="token comment"># Windows</span></span> |
| <span class="line"><span class="token comment"># First switch to the IoTDB root directory</span></span> |
| <span class="line">sbin/start-confignode.bat</span> |
| <span class="line"></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></div><p>Parameter introduction:</p><table><thead><tr><th style="text-align:left;">Parameter</th><th style="text-align:left;">Description</th><th style="text-align:left;">Is it required</th></tr></thead><tbody><tr><td style="text-align:left;">-v</td><td style="text-align:left;">Show version information</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-f</td><td style="text-align:left;">Run the script in the foreground, do not put it in the background</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-d</td><td style="text-align:left;">Start in daemon mode, i.e. run 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;">Specify 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;">Specify the path to the configuration file folder, the script will load the configuration file from here</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-g</td><td style="text-align:left;">Print 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;">Specify the path of the Java heap dump file, used when JVM memory overflows</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-E</td><td style="text-align:left;">Specify the path of the JVM error log file</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-D</td><td style="text-align:left;">Define system properties, in the format key=value</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-X</td><td style="text-align:left;">Pass -XX parameters 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;">Help instruction</td><td style="text-align:left;">No</td></tr></tbody></table><h4 id="removing-confignode-nodes" tabindex="-1"><a class="header-anchor" href="#removing-confignode-nodes"><span>Removing ConfigNode Nodes</span></a></h4><p>First connect to the cluster through the CLI and confirm the internal address and port number of the ConfigNode you want to remove by using <code>show confignodes</code>:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">IoTDB> show confignodes</span> |
| <span class="line">+------+-------+---------------+------------+--------+</span> |
| <span class="line">|NodeID| Status|InternalAddress|InternalPort| Role|</span> |
| <span class="line">+------+-------+---------------+------------+--------+</span> |
| <span class="line">| 0|Running| 127.0.0.1| 10710| Leader|</span> |
| <span class="line">| 1|Running| 127.0.0.1| 10711|Follower|</span> |
| <span class="line">| 2|Running| 127.0.0.1| 10712|Follower|</span> |
| <span class="line">+------+-------+---------------+------------+--------+</span> |
| <span class="line">Total line number = 3</span> |
| <span class="line">It costs 0.030s</span> |
| <span class="line"></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><p>Then use the script to remove the DataNode. Script command:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line"># Linux / MacOS </span> |
| <span class="line">sbin/remove-confignode.sh [confignode_id]</span> |
| <span class="line">or</span> |
| <span class="line">./sbin/remove-confignode.sh [cn_internal_address:cn_internal_port]</span> |
| <span class="line"></span> |
| <span class="line">#Windows</span> |
| <span class="line">sbin/remove-confignode.bat [confignode_id]</span> |
| <span class="line">or</span> |
| <span class="line">./sbin/remove-confignode.bat [cn_internal_address:cn_internal_port]</span> |
| <span class="line"></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></div><h3 id="datanode-node-maintenance" tabindex="-1"><a class="header-anchor" href="#datanode-node-maintenance"><span>DataNode Node Maintenance</span></a></h3><p>There are two common scenarios for DataNode node maintenance:</p><ul><li>Cluster expansion: For the purpose of expanding cluster capabilities, add new DataNodes to the cluster</li><li>Cluster failure recovery: When a machine where a DataNode is located fails, making the DataNode unable to run normally, you can remove this DataNode and add a new DataNode to the cluster</li></ul><blockquote><p>❗️Note, in order for the cluster to work normally, during the process of DataNode node maintenance and after the maintenance is completed, the total number of DataNodes running normally should not be less than the number of data replicas (usually 2), nor less than the number of metadata replicas (usually 3).</p></blockquote><h4 id="adding-datanode-nodes" tabindex="-1"><a class="header-anchor" href="#adding-datanode-nodes"><span>Adding DataNode Nodes</span></a></h4><p>Script command:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line"># Linux / MacOS </span> |
| <span class="line"># First switch to the IoTDB root directory</span> |
| <span class="line">sbin/start-datanode.sh</span> |
| <span class="line"></span> |
| <span class="line"># Windows</span> |
| <span class="line"># First switch to the IoTDB root directory</span> |
| <span class="line">sbin/start-datanode.bat</span> |
| <span class="line"></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></div><p>Parameter introduction:</p><table><thead><tr><th style="text-align:left;">Abbreviation</th><th style="text-align:left;">Description</th><th style="text-align:left;">Is it required</th></tr></thead><tbody><tr><td style="text-align:left;">-v</td><td style="text-align:left;">Show version information</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-f</td><td style="text-align:left;">Run the script in the foreground, do not put it in the background</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-d</td><td style="text-align:left;">Start in daemon mode, i.e. run 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;">Specify 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;">Specify the path to the configuration file folder, the script will load the configuration file from here</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-g</td><td style="text-align:left;">Print 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;">Specify the path of the Java heap dump file, used when JVM memory overflows</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-E</td><td style="text-align:left;">Specify the path of the JVM error log file</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-D</td><td style="text-align:left;">Define system properties, in the format key=value</td><td style="text-align:left;">No</td></tr><tr><td style="text-align:left;">-X</td><td style="text-align:left;">Pass -XX parameters 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;">Help instruction</td><td style="text-align:left;">No</td></tr></tbody></table><p>Note: After adding a DataNode, as new writes arrive (and old data expires, if TTL is set), the cluster load will gradually balance towards the new DataNode, eventually achieving a balance of storage and computation resources on all nodes.</p><h4 id="removing-datanode-nodes" tabindex="-1"><a class="header-anchor" href="#removing-datanode-nodes"><span>Removing DataNode Nodes</span></a></h4><p>First connect to the cluster through the CLI and confirm the RPC address and port number of the DataNode you want to remove with <code>show datanodes</code>:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line">IoTDB> show datanodes</span> |
| <span class="line">+------+-------+----------+-------+-------------+---------------+</span> |
| <span class="line">|NodeID| Status|RpcAddress|RpcPort|DataRegionNum|SchemaRegionNum|</span> |
| <span class="line">+------+-------+----------+-------+-------------+---------------+</span> |
| <span class="line">| 1|Running| 0.0.0.0| 6667| 0| 0|</span> |
| <span class="line">| 2|Running| 0.0.0.0| 6668| 1| 1|</span> |
| <span class="line">| 3|Running| 0.0.0.0| 6669| 1| 0|</span> |
| <span class="line">+------+-------+----------+-------+-------------+---------------+</span> |
| <span class="line">Total line number = 3</span> |
| <span class="line">It costs 0.110s</span> |
| <span class="line"></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><p>Then use the script to remove the DataNode. Script command:</p><div class="language-Bash line-numbers-mode" data-highlighter="prismjs" data-ext="Bash" data-title="Bash"><pre><code><span class="line"># Linux / MacOS </span> |
| <span class="line">sbin/remove-datanode.sh [dn_rpc_address:dn_rpc_port]</span> |
| <span class="line"></span> |
| <span class="line">#Windows</span> |
| <span class="line">sbin/remove-datanode.bat [dn_rpc_address:dn_rpc_port]</span> |
| <span class="line"></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><h2 id="common-problem" tabindex="-1"><a class="header-anchor" href="#common-problem"><span>Common Problem</span></a></h2><ol><li>Multiple prompts indicating activation failure during deployment process <ul><li>Use the <code>ls -al</code> command: Use the <code>ls -al</code> command to check if the owner information of the installation package root directory is the current user.</li><li>Check activation directory: Check all files in the <code>./activation</code> directory and whether the owner information is the current user.</li></ul></li></ol></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/Deployment-and-Maintenance/Cluster-Deployment_timecho.md" aria-label="Found Error? Edit this page on GitHub" rel="noopener noreferrer" target="_blank"><!--[--><svg xmlns="http://www.w3.org/2000/svg" class="icon edit-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="edit icon" name="edit"><path d="M430.818 653.65a60.46 60.46 0 0 1-50.96-93.281l71.69-114.012 7.773-10.365L816.038 80.138A60.46 60.46 0 0 1 859.225 62a60.46 60.46 0 0 1 43.186 18.138l43.186 43.186a60.46 60.46 0 0 1 0 86.373L588.879 565.55l-8.637 8.637-117.466 68.234a60.46 60.46 0 0 1-31.958 11.229z"></path><path d="M728.802 962H252.891A190.883 190.883 0 0 1 62.008 771.98V296.934a190.883 190.883 0 0 1 190.883-192.61h267.754a60.46 60.46 0 0 1 0 120.92H252.891a69.962 69.962 0 0 0-69.098 69.099V771.98a69.962 69.962 0 0 0 69.098 69.098h475.911A69.962 69.962 0 0 0 797.9 771.98V503.363a60.46 60.46 0 1 1 120.922 0V771.98A190.883 190.883 0 0 1 728.802 962z"></path></svg><!--]-->Found Error? Edit this page on GitHub<!----></a></div><div class="vp-meta-item git-info"><div class="update-time"><span class="vp-meta-label">Last update: </span><!----></div><!----></div></footer><!----><!----><!----><!--]--></main><!--]--><!--]--><footer style="padding-bottom:2rem;"><span id="doc-version" style="display:none;">latest</span><p style="text-align:center;color:#909399;font-size:12px;margin:0 30px;">Copyright © 2024 The Apache Software Foundation.<br> Apache IoTDB, IoTDB, Apache, the Apache feather logo, and the Apache IoTDB project logo are either registered trademarks or trademarks of The Apache Software Foundation in all countries</p><p style="text-align:center;margin-top:10px;color:#909399;font-size:12px;margin:0 30px;"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p></footer></div><!--]--><!--]--><!--[--><!----><!--]--><!--]--></div> |
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