| import{_ as t,c as o,b as a,o as n}from"./app-C4AeQnH1.js";const l={};function i(s,e){return n(),o("div",null,e[0]||(e[0]=[a(`<h2 id="mlogload-tool" tabindex="-1"><a class="header-anchor" href="#mlogload-tool"><span>MLogLoad Tool</span></a></h2><h3 id="introduction" tabindex="-1"><a class="header-anchor" href="#introduction"><span>Introduction</span></a></h3><p>The MLogLoad tool is used to load the metadata from <code>mlog.bin</code> and tags and attributes from <code>tlog.txt</code> into the running IoTDB.<br> Metadata operation in <code>mlog.bin</code> will be replayed.<br> Metedata to be loaded that conflicts with metadata in the running IoTDB will be skipped.</p><p>If there is already metadata in the running IoTDB, to avoid replaying the delete operation to affect the existing metadata, it needs to be loaded using <code>mlog.bin</code> and <code>tlog.txt</code> obtained from the <a href="https://iotdb.apache.org/UserGuide/V0.13.x/Maintenance-Tools/Export-Schema-Tool.html" target="_blank" rel="noopener noreferrer">export metadata operation</a>.</p><h3 id="how-to-use" tabindex="-1"><a class="header-anchor" href="#how-to-use"><span>How to Use</span></a></h3><p>Linux/MacOS</p><blockquote><p>./mLogLoad.sh -mlog /yourpath/mlog.bin -tlog /yourpath/tlog.txt -h 127.0.0.1 -p 6667 -u root -pw root</p></blockquote><p>Windows</p><blockquote><p>./mLogLoad.bat -mlog /yourpath/mlog.bin -tlog /yourpath/tlog.txt -h 127.0.0.1 -p 6667 -u root -pw root</p></blockquote><div class="language-text line-numbers-mode" data-highlighter="prismjs" data-ext="text" data-title="text"><pre><code><span class="line">usage: MLogLoad -mlog <mlog file> [-tlog <tlog file>] [-h <receiver host>]</span> |
| <span class="line"> [-p <receiver port>] [-u <user>] [-pw <password>] [-help]</span> |
| <span class="line"> -mlog <mlog file> Need to specify a binary mlog.bin file to parse</span> |
| <span class="line"> (required)</span> |
| <span class="line"> -tlog <tlog file> Could specify a binary tlog.txt file to parse. Tags</span> |
| <span class="line"> and attributes will be ignored if not specified</span> |
| <span class="line"> (optional)</span> |
| <span class="line"> -h <receiver host> Could specify a specify the receiver host, default</span> |
| <span class="line"> is 127.0.0.1 (optional)</span> |
| <span class="line"> -p <receiver port> Could specify a specify the receiver port, default</span> |
| <span class="line"> is 6667 (optional)</span> |
| <span class="line"> -u <user> Could specify the user name, default is root</span> |
| <span class="line"> (optional)</span> |
| <span class="line"> -pw <password> Could specify the password, default is root</span> |
| <span class="line"> (optional)</span> |
| <span class="line"> -help,--help Display help information</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 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>Note: If tlog is not specified, the MLogLoad tool will ignore tags and attributes management.</p><h3 id="example" tabindex="-1"><a class="header-anchor" href="#example"><span>Example</span></a></h3><p>The purpose is to load the local metadata file <code>/yourpath/mlog.bin</code> into IoTDB instance running on server 192.168.0.101:6667.</p><p>Enter to the directory where <a href="http://mLogLoad.sh" target="_blank" rel="noopener noreferrer">mLogLoad.sh</a> is located and execute the following statement:</p><div class="language-text line-numbers-mode" data-highlighter="prismjs" data-ext="text" data-title="text"><pre><code><span class="line">./mLogLoad.sh -mlog "/yourpath/mlog.bin" -h 192.168.0.101 -p 6667 -u root -pw root</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 waiting for the script execution to complete, you can check that the metadata in the IoTDB instance has been loaded correctly.</p><h3 id="q-a" tabindex="-1"><a class="header-anchor" href="#q-a"><span>Q&A</span></a></h3><ul><li>Cannot find or load the main class MLoadLoader <ul><li>It may be because the environment variable $IOTDB_HOME is not set, please set the environment variable and try again</li></ul></li></ul>`,18)]))}const d=t(l,[["render",i],["__file","MLogLoad-Tool.html.vue"]]),p=JSON.parse('{"path":"/UserGuide/V0.13.x/Maintenance-Tools/MLogLoad-Tool.html","title":"","lang":"en-US","frontmatter":{"description":"MLogLoad Tool Introduction The MLogLoad tool is used to load the metadata from mlog.bin and tags and attributes from tlog.txt into the running IoTDB. Metadata operation in mlog....","head":[["link",{"rel":"alternate","hreflang":"zh-cn","href":"https://iotdb.apache.org/zh/UserGuide/V0.13.x/Maintenance-Tools/MLogLoad-Tool.html"}],["meta",{"property":"og:url","content":"https://iotdb.apache.org/UserGuide/V0.13.x/Maintenance-Tools/MLogLoad-Tool.html"}],["meta",{"property":"og:site_name","content":"IoTDB Website"}],["meta",{"property":"og:description","content":"MLogLoad Tool Introduction The MLogLoad tool is used to load the metadata from mlog.bin and tags and attributes from tlog.txt into the running IoTDB. Metadata operation in mlog...."}],["meta",{"property":"og:type","content":"article"}],["meta",{"property":"og:locale","content":"en-US"}],["meta",{"property":"og:locale:alternate","content":"zh-CN"}],["meta",{"property":"og:updated_time","content":"2023-07-10T03:11:17.000Z"}],["meta",{"property":"article:modified_time","content":"2023-07-10T03:11:17.000Z"}],["script",{"type":"application/ld+json"},"{\\"@context\\":\\"https://schema.org\\",\\"@type\\":\\"Article\\",\\"headline\\":\\"\\",\\"image\\":[\\"\\"],\\"dateModified\\":\\"2023-07-10T03:11:17.000Z\\",\\"author\\":[]}"]]},"headers":[{"level":2,"title":"MLogLoad Tool","slug":"mlogload-tool","link":"#mlogload-tool","children":[{"level":3,"title":"Introduction","slug":"introduction","link":"#introduction","children":[]},{"level":3,"title":"How to Use","slug":"how-to-use","link":"#how-to-use","children":[]},{"level":3,"title":"Example","slug":"example","link":"#example","children":[]},{"level":3,"title":"Q&A","slug":"q-a","link":"#q-a","children":[]}]}],"git":{"createdTime":1688958677000,"updatedTime":1688958677000,"contributors":[{"name":"CritasWang","email":"critas@outlook.com","commits":1}]},"readingTime":{"minutes":1.49,"words":448},"filePathRelative":"UserGuide/V0.13.x/Maintenance-Tools/MLogLoad-Tool.md","localizedDate":"July 10, 2023","autoDesc":true}');export{d as comp,p as data}; |
