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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/Maintenance-Tools/TsFileSelfCheck-Tool.html#tsfile-自检工具" class="router-link-active router-link-exact-active toc-link level2">TsFile 自检工具</a></li><ul class="toc-list"><!--[--><li class="toc-item"><a aria-current="page" href="/zh/UserGuide/V1.1.x/Maintenance-Tools/TsFileSelfCheck-Tool.html#使用" class="router-link-active router-link-exact-active toc-link level3">使用</a></li><!----><!--]--></ul><!--]--></ul></div><!--[--><!----><!--]--></aside></div><!----><div class="theme-hope-content"><!--

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--><h2 id="tsfile-自检工具" tabindex="-1"><a class="header-anchor" href="#tsfile-自检工具" aria-hidden="true">#</a> TsFile 自检工具</h2><p>IoTDB Server 提供了 TsFile 自检工具，目前该工具可以检查 TsFile 文件中的基本格式、TimeseriesMetadata 的正确性以及 TsFile 中各部分存储的 Statistics 的正确性和一致性。</p><h3 id="使用" tabindex="-1"><a class="header-anchor" href="#使用" aria-hidden="true">#</a> 使用</h3><p>第一步：创建一个 TsFileSelfCheckTool 类的对象。</p><div class="language-java line-numbers-mode" data-ext="java"><pre class="language-java"><code><span class="token class-name">TsFileSelfCheckTool</span> tool <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">TsFileSelfCheckTool</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>第二步：调用自检工具的 check 方法。第一个参数 path 是要检测的 TsFile 的路径。第二个参数是是否只检测 TsFile 开头和结尾的 Magic String 和 Version Number。</p><div class="language-java line-numbers-mode" data-ext="java"><pre class="language-java"><code>tool<span class="token punctuation">.</span><span class="token function">check</span><span class="token punctuation">(</span>path<span class="token punctuation">,</span> <span class="token boolean">false</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><ul><li>check 方法的返回值有四种。</li><li>返回值为 0 表示 TsFile 自检无错。</li><li>返回值为 -1 表示 TsFile 存在 Statistics 不一致问题。具体会有两种异常，一种是 TimeSeriesMetadata 的 Statistics 与其后面的 ChunkMetadata 的聚合统计的 Statistics 不一致。另一种是 ChunkMetadata 的 Statistics 与其索引的 Chunk 中的 Page 聚合统计的 Statistics 不一致。</li><li>返回值为 -2 表示 TsFile 版本不兼容。</li><li>返回值为 -3 表示给定路径不存在 TsFile 文件。</li></ul></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/Maintenance-Tools/TsFileSelfCheck-Tool.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 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><!--]-->发现错误？在 GitHub 上编辑此页<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></div><div class="meta-item git-info"><!----><!----></div></footer><!----><!----><!----><!--]--></main><!--]--><footer style="padding-bottom:2rem;"><span id="doc-version" style="display:none;">rel/1.1</span><p style="text-align:center;color:#909399;font-size:12px;margin:0 30px;">Copyright © 2023 The Apache Software Foundation.<br> Apache and the Apache feather logo are trademarks of The Apache Software Foundation</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><p style="text-align:center;margin-top:10px;color:#909399;font-size:12px;margin:0 30px;"> We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information. </p></footer></div><!--]--><!--]--><!----><!--]--></div>
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