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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="#单机模式">单机模式</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#配置文件">配置文件</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#状态相关的文件">状态相关的文件</a></li><!----><!--]--></ul></li><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><blockquote><p>下面是 IoTDB 生成或使用的文件</p><p>持续更新中。..</p></blockquote><h2 id="单机模式" tabindex="-1"><a class="header-anchor" href="#单机模式"><span>单机模式</span></a></h2><h3 id="配置文件" tabindex="-1"><a class="header-anchor" href="#配置文件"><span>配置文件</span></a></h3><blockquote><p>conf 目录下</p></blockquote><ol><li>iotdb-datanode.properties</li><li>logback.xml</li><li><a href="http://datanode-env.sh" target="_blank" rel="noopener noreferrer">datanode-env.sh<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a></li><li>jmx.access</li><li>jmx.password</li><li>iotdb-sync-client.properties <ul><li>只有 Sync 工具会使用</li></ul></li></ol><blockquote><p>在 basedir/system/schema 目录下</p></blockquote><ol><li>system.properties <ul><li>记录的是所有不能变动的配置，启动时会检查，防止系统错误</li></ul></li></ol><h3 id="状态相关的文件" tabindex="-1"><a class="header-anchor" href="#状态相关的文件"><span>状态相关的文件</span></a></h3><h4 id="元数据相关文件" tabindex="-1"><a class="header-anchor" href="#元数据相关文件"><span>元数据相关文件</span></a></h4><blockquote><p>在 basedir/system/schema 目录下</p></blockquote><h5 id="元数据" tabindex="-1"><a class="header-anchor" href="#元数据"><span>元数据</span></a></h5><ol><li>mlog.bin <ul><li>记录的是元数据操作</li></ul></li><li>mtree-1.snapshot <ul><li>元数据快照</li></ul></li><li>mtree-1.snapshot.tmp <ul><li>临时文件，防止快照更新时，损坏旧快照文件</li></ul></li></ol><h5 id="标签和属性" tabindex="-1"><a class="header-anchor" href="#标签和属性"><span>标签和属性</span></a></h5><ol><li>tlog.txt <ul><li>存储每个时序的标签和属性</li><li>默认情况下每个时序 700 字节</li></ul></li></ol><h4 id="数据相关文件" tabindex="-1"><a class="header-anchor" href="#数据相关文件"><span>数据相关文件</span></a></h4><blockquote><p>在 basedir/data/目录下</p></blockquote><h5 id="wal" tabindex="-1"><a class="header-anchor" href="#wal"><span>WAL</span></a></h5><blockquote><p>在 basedir/wal 目录下</p></blockquote><ol><li>{StroageName}-{TsFileName}/wal1 <ul><li>每个 memtable 会对应一个 wal 文件</li></ul></li></ol><h5 id="tsfile" tabindex="-1"><a class="header-anchor" href="#tsfile"><span>TsFile</span></a></h5><blockquote><p>在 basedir/data/sequence or unsequence/{DatabaseName}/{DataRegionId}/{TimePartitionId}/目录下</p></blockquote><ol><li>{time}-{version}-{mergeCnt}.tsfile <ul><li>数据文件</li></ul></li><li>{TsFileName}.tsfile.mod <ul><li>更新文件，主要记录删除操作</li></ul></li></ol><h5 id="tsfileresource" tabindex="-1"><a class="header-anchor" href="#tsfileresource"><span>TsFileResource</span></a></h5><ol><li>{TsFileName}.tsfile.resource <ul><li>TsFile 的概要与索引文件</li></ul></li><li>{TsFileName}.tsfile.resource.temp <ul><li>临时文件，用于避免更新 tsfile.resource 时损坏 tsfile.resource</li></ul></li><li>{TsFileName}.tsfile.resource.closing <ul><li>关闭标记文件，用于标记 TsFile 处于关闭状态，重启后可以据此选择是关闭或继续写入该文件</li></ul></li></ol><h5 id="version" tabindex="-1"><a class="header-anchor" href="#version"><span>Version</span></a></h5><blockquote><p>在 basedir/system/databases/{DatabaseName}/{DataRegionId}/{TimePartitionId} or upgrade 目录下</p></blockquote><ol><li version="">Version- <ul><li>版本号文件，使用文件名来记录当前最大的版本号</li></ul></li></ol><h5 id="upgrade" tabindex="-1"><a class="header-anchor" href="#upgrade"><span>Upgrade</span></a></h5><blockquote><p>在 basedir/system/upgrade 目录下</p></blockquote><ol><li>upgrade.txt <ul><li>记录升级进度</li></ul></li></ol><h5 id="merge" tabindex="-1"><a class="header-anchor" href="#merge"><span>Merge</span></a></h5><blockquote><p>在 basedir/system/databases/{DatabaseName}/目录下</p></blockquote><ol><li>merge.mods <ul><li>记录合并过程中发生的删除等操作</li></ul></li><li>merge.log <ul><li>记录合并进展</li></ul></li><li>tsfile.merge <ul><li>临时文件，每个顺序文件在合并时会产生一个对应的 merge 文件，用于存放临时数据</li></ul></li></ol><h5 id="authority" tabindex="-1"><a class="header-anchor" href="#authority"><span>Authority</span></a></h5><blockquote><p>在 basedir/system/users/目录下是用户信息<br> 在 basedir/system/roles/目录下是角色信息</p></blockquote><h5 id="compressratio" tabindex="-1"><a class="header-anchor" href="#compressratio"><span>CompressRatio</span></a></h5><blockquote><p>在 basedir/system/compression_ration 目录下</p></blockquote><ol><li calTimes="">Ration-{compressionRatioSum}- <ul><li>记录每个文件的压缩率</li></ul></li></ol></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a 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