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0 44.8 19.2 44.8 44.8v192z"></path></svg></button></div><div class="toc-wrapper"><ul class="toc-list"><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.1.x/Data-Modeling/SchemaRegion-rocksdb.html#背景" class="router-link-active router-link-exact-active toc-link level2">背景</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.1.x/Data-Modeling/SchemaRegion-rocksdb.html#使用" class="router-link-active router-link-exact-active toc-link level2">使用</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.1.x/Data-Modeling/SchemaRegion-rocksdb.html#功能支持说明" class="router-link-active router-link-exact-active toc-link level2">功能支持说明</a></li><!----><!--]--><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.1.x/Data-Modeling/SchemaRegion-rocksdb.html#附-所有接口支持情况" class="router-link-active router-link-exact-active toc-link level2">附: 所有接口支持情况</a></li><!----><!--]--></ul></div><!--[--><!----><!--]--></aside></div><!----><div class="theme-hope-content"><!-- |
| </code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>当指定rocksdb作为元数据的存储方式时，我们开放了rocksdb相关的配置参数，您可以通过修改配置文件<code>schema-rocksdb.properties</code>，根据自己的需求，进行合理的参数调整，例如查询的缓存等。如没有特殊需求，使用默认值即可。</p><h2 id="功能支持说明" tabindex="-1"><a class="header-anchor" href="#功能支持说明" aria-hidden="true">#</a> 功能支持说明</h2><p>该模块仍在不断完善中，部分功能暂不支持，功能模块支持情况如下：</p><table><thead><tr><th style="text-align:left;">功能</th><th style="text-align:right;">支持情况</th></tr></thead><tbody><tr><td style="text-align:left;">时间序列增删</td><td style="text-align:right;">支持</td></tr><tr><td style="text-align:left;">路径通配符（* 及 **）查询</td><td style="text-align:right;">支持</td></tr><tr><td style="text-align:left;">tag增删</td><td style="text-align:right;">支持</td></tr><tr><td style="text-align:left;">对齐时间序列</td><td style="text-align:right;">支持</td></tr><tr><td style="text-align:left;">节点名称(*)通配</td><td style="text-align:right;">不支持</td></tr><tr><td style="text-align:left;">元数据模板template</td><td style="text-align:right;">不支持</td></tr><tr><td style="text-align:left;">tag索引</td><td style="text-align:right;">不支持</td></tr><tr><td style="text-align:left;">continuous query</td><td style="text-align:right;">不支持</td></tr></tbody></table><h2 id="附-所有接口支持情况" tabindex="-1"><a class="header-anchor" href="#附-所有接口支持情况" aria-hidden="true">#</a> 附: 所有接口支持情况</h2><p>外部接口，即客户端可以感知到，相关sql不支持；</p><p>内部接口，即服务内部的其他模块调用逻辑，与外部sql无直接依赖关系；</p><table><thead><tr><th style="text-align:left;">接口名称</th><th style="text-align:right;">接口类型</th><th style="text-align:center;">支持情况</th><th style="text-align:center;">说明</th></tr></thead><tbody><tr><td style="text-align:left;">createTimeseries</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">createAlignedTimeSeries</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">showTimeseries</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">部分支持</td><td style="text-align:center;">不支持LATEST</td></tr><tr><td style="text-align:left;">changeAlias</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">upsertTagsAndAttributes</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">addAttributes</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">addTags</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">dropTagsOrAttributes</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">setTagsOrAttributesValue</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">renameTagOrAttributeKey</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">*template</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">不支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">*trigger</td><td style="text-align:right;">外部接口</td><td style="text-align:center;">不支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">deleteSchemaRegion</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">autoCreateDeviceMNode</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">不支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">isPathExist</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getAllTimeseriesCount</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getDevicesNum</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getNodesCountInGivenLevel</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">有条件支持</td><td style="text-align:center;">路径不支持通配</td></tr><tr><td style="text-align:left;">getMeasurementCountGroupByLevel</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getNodesListInGivenLevel</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">有条件支持</td><td style="text-align:center;">路径不支持通配</td></tr><tr><td style="text-align:left;">getChildNodePathInNextLevel</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">有条件支持</td><td style="text-align:center;">路径不支持通配</td></tr><tr><td style="text-align:left;">getChildNodeNameInNextLevel</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">有条件支持</td><td style="text-align:center;">路径不支持通配</td></tr><tr><td style="text-align:left;">getBelongedDevices</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getMatchedDevices</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getMeasurementPaths</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getMeasurementPathsWithAlias</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getAllMeasurementByDevicePath</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getDeviceNode</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getMeasurementMNodes</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr><tr><td style="text-align:left;">getSeriesSchemasAndReadLockDevice</td><td style="text-align:right;">内部接口</td><td style="text-align:center;">支持</td><td style="text-align:center;"></td></tr></tbody></table></div><!----><footer class="page-meta"><div class="meta-item edit-link"><a href="https://github.com/apache/iotdb/edit/rel/1.1/docs/zh/UserGuide/Data-Modeling/SchemaRegion-rocksdb.md" rel="noopener noreferrer" target="_blank" aria-label="发现错误？在 GitHub 上编辑此页" class="nav-link label"><!--[--><svg xmlns="http://www.w3.org/2000/svg" class="icon edit-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="edit icon"><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 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