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theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/bootstrap-action">Bootstrap Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/cancel-load-action">Cancel Load Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/check-decommission-action">Check Decommission Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/check-storage-type-action">Check Storage Type Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/connection-action">Connection Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/extra-basepath-action">Extra Basepath Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/fe-version-info-action">Fe Version Info Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/get-ddl-stmt-action">Get DDL Statement Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/get-load-info-action">Get Load Info Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/get-load-state">Get Load State</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/get-log-file-action">Get FE log file</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/get-small-file">Get Small File Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/health-action">Health Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/meta-info-action">Meta Info Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/meta-replay-state-action">Meta Replay State Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/metrics-action">Metrics Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/profile-action">Profile Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/query-detail-action">Query Detail Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/query-schema-action">Query Schema Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/query-stats-action">Query Stats Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/row-count-action">Row Count Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/set-config-action">Set Config Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/show-data-action">Show Data Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/show-meta-info-action">Show Meta Info Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/show-proc-action">Show Proc Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/show-runtime-info-action">Show Runtime Info Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/show-table-data-action">Show Table Data Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/statement-execution-action">Statement Execution Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/table-query-plan-action">Table Query Plan Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/table-row-count-action">Table Row Count Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/table-schema-action">Table Schema Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/upload-action">Upload Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/import-action">Import Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/meta-info-action-V2">Meta Info Action</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link menu__link--active" aria-current="page" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/debug-point-action">代码打桩</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/fe/statistic-action">Statistic Action</a></li></ul></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-2 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link_level_2 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" tabindex="0" href="/zh-CN/docs/dev/admin-manual/be/check-rpc-channel">BE OPEN API</a></div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/plugin-development-manual">插件开发</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/small-file-mgr">文件管理器</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/compaction">Compaction 调整</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/zh-CN/docs/dev/admin-manual/rowsets">系统表</a></li></ul></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a id="menu__group" class="menu__link menu__link_level_1 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/zh-CN/docs/dev/ecosystem/spark-doris-connector">生态扩展</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a id="menu__group" class="menu__link menu__link_level_1 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/zh-CN/docs/dev/sql-manual/sql-functions/array-functions/array">SQL 手册</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a id="menu__group" class="menu__link menu__link_level_1 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/zh-CN/docs/dev/separation-of-storage-and-compute/overview">存算分离</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a id="menu__group" class="menu__link menu__link_level_1 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/zh-CN/docs/dev/benchmark/ssb">性能测试</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a id="menu__group" class="menu__link menu__link_level_1 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/zh-CN/docs/dev/faq/install-faq">常见问题</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a id="menu__group" class="menu__link menu__link_level_1 menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/zh-CN/docs/dev/releasenotes/release-2.1.3">版本发布</a></div></li></ul></nav></div></div></aside><main class="docMainContainer_gTbr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_z5aJ"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>此为 <!-- -->Apache Doris<!-- --> <b>dev</b> 版尚未发行的文档。</div><div class="margin-top--md">最新的文档请参阅 <b><a href="/zh-CN/docs/admin-manual/fe/debug-point-action">最新版本</a></b> (<!-- -->2.1<!-- -->)。</div></div><div class="docItemContainer_c0TR"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="页面路径"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="主页面" class="breadcrumbs__link" href="/zh-CN/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">管理指南</span><meta itemprop="position" content="1"></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">FE OPEN API</span><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">代码打桩</span><meta itemprop="position" content="3"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">本页总览</button></div><div class="theme-doc-markdown markdown"><header><h1>代码打桩</h1></header><h1>代码打桩</h1><p>代码打桩，是指在 FE 或 BE 源码中插入一段代码，当程序执行到这里时，可以改变程序的变量或行为，这样的一段代码称为一个<code>木桩</code>。</p><p>主要用于单元测试或回归测试，用来构造正常方法无法实现的异常。</p><p>每一个木桩都有一个名称，可以随便取名，可以通过一些机制控制木桩的开关，还可以向木桩传递参数。</p><p>FE 和 BE 都支持代码打桩，打桩完后要重新编译 BE 或 FE。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="木桩代码示例">木桩代码示例<a href="#木桩代码示例" class="hash-link" aria-label="木桩代码示例的直接链接" title="木桩代码示例的直接链接"></a></h2><p>FE 桩子示例代码</p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">private</span><span class="token plain"> </span><span class="token class-name">Status</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">foo</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// dbug_fe_foo_do_nothing 是一个木桩名字，</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token comment" style="color:rgb(98, 114, 164)">// 打开这个木桩之后，DebugPointUtil.isEnable("dbug_fe_foo_do_nothing") 将会返回true</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token class-name">DebugPointUtil</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">isEnable</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">"dbug_fe_foo_do_nothing"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token plain"> </span><span class="token class-name">Status</span><span class="token class-name punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token class-name">Nothing</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">do_foo_action</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token plain"> </span><span class="token class-name">Status</span><span class="token class-name punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token class-name">Ok</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>BE 桩子示例代码</p><div class="language-c++ codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-c++ codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">void Status foo() {</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // dbug_be_foo_do_nothing 是一个木桩名字，</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 打开这个木桩之后，DBUG_EXECUTE_IF 将会执行宏参数中的代码块</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> DBUG_EXECUTE_IF("dbug_be_foo_do_nothing", { return Status.Nothing; });</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> do_foo_action();</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> return Status.Ok;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="总开关">总开关<a href="#总开关" class="hash-link" aria-label="总开关的直接链接" title="总开关的直接链接"></a></h2><p>需要把木桩总开关 <code>enable_debug_points</code> 打开之后，才能激活木桩。默认情况下，木桩总开关是关闭的。</p><p>总开关<code>enable_debug_points</code> 分别在 FE 的 fe.conf 和 BE 的 be.conf 中配置。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="打开木桩">打开木桩<a href="#打开木桩" class="hash-link" aria-label="打开木桩的直接链接" title="打开木桩的直接链接"></a></h2><p>打开总开关后，还需要通过向 FE 或 BE 发送 http 请求的方式，打开或关闭指定名称的木桩，只有这样当代码执行到这个木桩时，相关代码才会被执行。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="api">API<a href="#api" class="hash-link" aria-label="API的直接链接" title="API的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">POST /api/debug_point/add/{debug_point_name}[?timeout=<int>&execute=<int>]</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="参数">参数<a href="#参数" class="hash-link" aria-label="参数的直接链接" title="参数的直接链接"></a></h3><ul><li><p><code>debug_point_name</code> |
| 木桩名字。必填。</p></li><li><p><code>timeout</code> |
| 超时时间，单位为秒。超时之后，木桩失活。默认值-1表示永远不超时。可选。</p></li><li><p><code>execute</code> |
| 木桩最大执行次数。默认值-1表示不限执行次数。可选。 </p></li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="request-body">Request body<a href="#request-body" class="hash-link" aria-label="Request body的直接链接" title="Request body的直接链接"></a></h3><p>无</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="response">Response<a href="#response" class="hash-link" aria-label="Response的直接链接" title="Response的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">{</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> msg: "OK",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> code: 0</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="examples">Examples<a href="#examples" class="hash-link" aria-label="Examples的直接链接" title="Examples的直接链接"></a></h3><p>打开木桩 <code>foo</code>，最多执行5次。</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -X POST "http://127.0.0.1:8030/api/debug_point/add/foo?execute=5"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="向木桩传递参数">向木桩传递参数<a href="#向木桩传递参数" class="hash-link" aria-label="向木桩传递参数的直接链接" title="向木桩传递参数的直接链接"></a></h2><p>激活木桩时，除了前文所述的 timeout 和 execute，还可以传递其它自定义参数。<br> |
| 一个参数是一个形如 key=value 的 key-value 对，在 url 的路径部分，紧跟在木桩名称后，以字符 '?' 开头。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="api-1">API<a href="#api-1" class="hash-link" aria-label="API的直接链接" title="API的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">POST /api/debug_point/add/{debug_point_name}[?k1=v1&k2=v2&k3=v3...]</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><ul><li><code>k1=v1</code> |
| k1为参数名称，v1为参数值，多个参数用&分隔。</li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="request-body-1">Request body<a href="#request-body-1" class="hash-link" aria-label="Request body的直接链接" title="Request body的直接链接"></a></h3><p>无</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="response-1">Response<a href="#response-1" class="hash-link" aria-label="Response的直接链接" title="Response的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">{</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> msg: "OK",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> code: 0</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="examples-1">Examples<a href="#examples-1" class="hash-link" aria-label="Examples的直接链接" title="Examples的直接链接"></a></h3><p>假设 FE 在 fe.conf 中有配置 http_port=8030，则下面的请求激活 FE 中的木桩<code>foo</code>，并传递了两个参数 <code>percent</code> 和 <code>duration</code>：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -u root: -X POST "http://127.0.0.1:8030/api/debug_point/add/foo?percent=0.5&duration=3"</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">注意：</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">1、在 FE 或 BE 的代码中，参数名和参数值都是字符串。</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">2、在 FE 或 BE 的代码中和 http 请求中，参数名称和值都是大小写敏感的。</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">3、发给 FE 或 BE 的 http 请求，路径部分格式是相同的，只是 IP 地址和端口号不同。</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="在-fe-和-be-代码中使用参数">在 FE 和 BE 代码中使用参数<a href="#在-fe-和-be-代码中使用参数" class="hash-link" aria-label="在 FE 和 BE 代码中使用参数的直接链接" title="在 FE 和 BE 代码中使用参数的直接链接"></a></h3><p>激活 FE 中的木桩<code>OlapTableSink.write_random_choose_sink</code>并传递参数 <code>needCatchUp</code> 和 <code>sinkNum</code>:</p><blockquote><p>注意：可能需要用户名和密码</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -u root: -X POST "http://127.0.0.1:8030/api/debug_point/add/OlapTableSink.write_random_choose_sink?needCatchUp=true&sinkNum=3"</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></blockquote><p>在 FE 代码中使用木桩 OlapTableSink.write_random_choose_sink 的参数 <code>needCatchUp</code> 和 <code>sinkNum</code>：</p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">private</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">void</span><span class="token plain"> </span><span class="token function" style="color:rgb(80, 250, 123)">debugWriteRandomChooseSink</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token class-name">Tablet</span><span class="token plain"> tablet</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">long</span><span class="token plain"> version</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token class-name">Multimap</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)"><</span><span class="token generics class-name">Long</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token generics"> </span><span class="token generics class-name">Long</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">></span><span class="token plain"> bePathsMap</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token class-name">DebugPoint</span><span class="token plain"> debugPoint </span><span class="token operator">=</span><span class="token plain"> </span><span class="token class-name">DebugPointUtil</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">getDebugPoint</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">"OlapTableSink.write_random_choose_sink"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">debugPoint </span><span class="token operator">==</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">null</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">return</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">boolean</span><span class="token plain"> needCatchup </span><span class="token operator">=</span><span class="token plain"> debugPoint</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">param</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">"needCatchUp"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token boolean">false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">int</span><span class="token plain"> sinkNum </span><span class="token operator">=</span><span class="token plain"> debugPoint</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">param</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">"sinkNum"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">0</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>激活 BE 中的木桩<code>TxnManager.prepare_txn.random_failed</code>并传递参数 <code>percent</code>:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -X POST "http://127.0.0.1:8040/api/debug_point/add/TxnManager.prepare_txn.random_failed?percent=0.7</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>在 BE 代码中使用木桩 <code>TxnManager.prepare_txn.random_failed</code> 的参数 <code>percent</code>：</p><div class="language-c++ codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-c++ codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">DBUG_EXECUTE_IF("TxnManager.prepare_txn.random_failed",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> {if (rand() % 100 < (100 * dp->param("percent", 0.5))) {</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> LOG_WARNING("TxnManager.prepare_txn.random_failed random failed");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> return Status::InternalError("debug prepare txn random failed");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }}</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="关闭木桩">关闭木桩<a href="#关闭木桩" class="hash-link" aria-label="关闭木桩的直接链接" title="关闭木桩的直接链接"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="api-2">API<a href="#api-2" class="hash-link" aria-label="API的直接链接" title="API的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">POST /api/debug_point/remove/{debug_point_name}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="参数-1">参数<a href="#参数-1" class="hash-link" aria-label="参数的直接链接" title="参数的直接链接"></a></h3><ul><li><code>debug_point_name</code> |
| 木桩名字。必填。 </li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="request-body-2">Request body<a href="#request-body-2" class="hash-link" aria-label="Request body的直接链接" title="Request body的直接链接"></a></h3><p>无</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="response-2">Response<a href="#response-2" class="hash-link" aria-label="Response的直接链接" title="Response的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">{</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> msg: "OK",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> code: 0</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="examples-2">Examples<a href="#examples-2" class="hash-link" aria-label="Examples的直接链接" title="Examples的直接链接"></a></h3><p>关闭木桩<code>foo</code>。</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -X POST "http://127.0.0.1:8030/api/debug_point/remove/foo"</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="清除所有木桩">清除所有木桩<a href="#清除所有木桩" class="hash-link" aria-label="清除所有木桩的直接链接" title="清除所有木桩的直接链接"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="api-3">API<a href="#api-3" class="hash-link" aria-label="API的直接链接" title="API的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">POST /api/debug_point/clear</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="request-body-3">Request body<a href="#request-body-3" class="hash-link" aria-label="Request body的直接链接" title="Request body的直接链接"></a></h3><p>无</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="response-3">Response<a href="#response-3" class="hash-link" aria-label="Response的直接链接" title="Response的直接链接"></a></h3><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">{</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> msg: "OK",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> code: 0</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="examples-3">Examples<a href="#examples-3" class="hash-link" aria-label="Examples的直接链接" title="Examples的直接链接"></a></h3><p>清除所有木桩。</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -X POST "http://127.0.0.1:8030/api/debug_point/clear"</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="在回归测试中使用木桩">在回归测试中使用木桩<a href="#在回归测试中使用木桩" class="hash-link" aria-label="在回归测试中使用木桩的直接链接" title="在回归测试中使用木桩的直接链接"></a></h2><blockquote><p>提交PR时，社区 CI 系统默认开启 FE 和 BE 的<code>enable_debug_points</code>配置。</p></blockquote><p>回归测试框架提供方法函数来开关指定的木桩，它们声明如下：</p><div class="language-groovy codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-groovy codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 打开木桩，name 是木桩名称，params 是一个key-value列表，是传给木桩的参数</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def enableDebugPointForAllFEs(String name, Map<String, String> params = null);</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def enableDebugPointForAllBEs(String name, Map<String, String> params = null);</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 关闭木桩，name 是木桩的名称</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def disableDebugPointForAllFEs(String name);</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">def disableDebugPointForAllFEs(String name);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>需要在调用测试 action 之前调用 <code>enableDebugPointForAllFEs()</code> 或 <code>enableDebugPointForAllBEs()</code> 来开启木桩， <br> |
| 这样执行到木桩代码时，相关代码才会被执行，<br> |
| 然后在调用测试 action 之后调用 <code>disableDebugPointForAllFEs()</code> 或 <code>disableDebugPointForAllBEs()</code> 来关闭木桩。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="并发问题">并发问题<a href="#并发问题" class="hash-link" aria-label="并发问题的直接链接" title="并发问题的直接链接"></a></h3><p>FE 或 BE 中开启的木桩是全局生效的，同一个 Pull Request 中，并发跑的其它测试，可能会受影响而意外失败。 |
| 为了避免这种情况，我们规定，使用木桩的回归测试，必须放在 regression-test/suites/fault_injection_p0 目录下， |
| 且组名必须设置为 <code>nonConcurrent</code>，社区 CI 系统对于这些用例，会串行运行。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="examples-4">Examples<a href="#examples-4" class="hash-link" aria-label="Examples的直接链接" title="Examples的直接链接"></a></h3><div class="language-groovy codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-groovy codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 测试用例的.groovy 文件必须放在 regression-test/suites/fault_injection_p0 目录下，</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// 且组名设置为 'nonConcurrent'</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">suite('debugpoint_action', 'nonConcurrent') {</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> try {</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 打开所有FE中，名为 "PublishVersionDaemon.stop_publish" 的木桩</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 传参数 timeout</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 与上面curl调用时一样，execute 是执行次数，timeout 是超时秒数</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> GetDebugPoint().enableDebugPointForAllFEs('PublishVersionDaemon.stop_publish', [timeout:1])</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 打开所有BE中，名为 "Tablet.build_tablet_report_info.version_miss" 的木桩</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 传参数 tablet_id, version_miss 和 timeout</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> GetDebugPoint().enableDebugPointForAllBEs('Tablet.build_tablet_report_info.version_miss',</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> [tablet_id:'12345', version_miss:true, timeout:1])</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> // 测试用例，会触发木桩代码的执行</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> sql """CREATE TABLE tbl_1 (k1 INT, k2 INT)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> DUPLICATE KEY (k1)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> DISTRIBUTED BY HASH(k1)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> BUCKETS 3</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> PROPERTIES ("replication_allocation" = "tag.location.default: 1");</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> """</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> sql "INSERT INTO tbl_1 VALUES (1, 10)"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> sql "INSERT INTO tbl_1 VALUES (2, 20)"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> order_qt_select_1_1 'SELECT * FROM tbl_1'</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> } finally {</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> GetDebugPoint().disableDebugPointForAllFEs('PublishVersionDaemon.stop_publish')</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> GetDebugPoint().disableDebugPointForAllBEs('Tablet.build_tablet_report_info.version_miss')</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></div></article><nav class="pagination-nav 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class="table-of-contents__link toc-highlight">打开木桩</a><ul><li><a href="#api" class="table-of-contents__link toc-highlight">API</a></li><li><a href="#参数" class="table-of-contents__link toc-highlight">参数</a></li><li><a href="#request-body" class="table-of-contents__link toc-highlight">Request body</a></li><li><a href="#response" class="table-of-contents__link toc-highlight">Response</a></li><li><a href="#examples" class="table-of-contents__link toc-highlight">Examples</a></li></ul></li><li><a href="#向木桩传递参数" class="table-of-contents__link toc-highlight">向木桩传递参数</a><ul><li><a href="#api-1" class="table-of-contents__link toc-highlight">API</a></li><li><a href="#request-body-1" class="table-of-contents__link toc-highlight">Request body</a></li><li><a href="#response-1" class="table-of-contents__link toc-highlight">Response</a></li><li><a href="#examples-1" class="table-of-contents__link toc-highlight">Examples</a></li><li><a href="#在-fe-和-be-代码中使用参数" class="table-of-contents__link toc-highlight">在 FE 和 BE 代码中使用参数</a></li></ul></li><li><a href="#关闭木桩" class="table-of-contents__link toc-highlight">关闭木桩</a><ul><li><a href="#api-2" class="table-of-contents__link toc-highlight">API</a></li><li><a href="#参数-1" class="table-of-contents__link toc-highlight">参数</a></li><li><a href="#request-body-2" class="table-of-contents__link toc-highlight">Request body</a></li><li><a href="#response-2" class="table-of-contents__link toc-highlight">Response</a></li><li><a href="#examples-2" class="table-of-contents__link toc-highlight">Examples</a></li></ul></li><li><a href="#清除所有木桩" class="table-of-contents__link toc-highlight">清除所有木桩</a><ul><li><a href="#api-3" class="table-of-contents__link toc-highlight">API</a></li><li><a href="#request-body-3" class="table-of-contents__link toc-highlight">Request body</a></li><li><a href="#response-3" class="table-of-contents__link toc-highlight">Response</a></li><li><a href="#examples-3" class="table-of-contents__link toc-highlight">Examples</a></li></ul></li><li><a href="#在回归测试中使用木桩" class="table-of-contents__link toc-highlight">在回归测试中使用木桩</a><ul><li><a href="#并发问题" class="table-of-contents__link toc-highlight">并发问题</a></li><li><a href="#examples-4" class="table-of-contents__link toc-highlight">Examples</a></li></ul></li></ul></div></div></div></div></main></div></div></div><div class="footer pt-16 pb-10"><div class="container"><div class="footer-box"><div class="left"><img src="/zh-CN/images/asf_logo_apache.svg" alt="" class="themedImage_ToTc themedImage--light_HNdA footer__logo"><img src="/zh-CN/images/asf_logo_apache.svg" alt="" class="themedImage_ToTc themedImage--dark_i4oU footer__logo"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">ASF</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://www.apache.org/" target="_blank" rel="noopener noreferrer" class="footer__link-item">Foundation<svg width="13.5" height="13.5" 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