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itemprop="name">Misc.</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>Misc.</h1><h2 class="anchor anchorWithStickyNavbar_LWe7" id="reporting-a-security-vulnerability">Reporting a Security Vulnerability<a href="#reporting-a-security-vulnerability" class="hash-link" aria-label="Direct link to Reporting a Security Vulnerability" title="Direct link to Reporting a Security Vulnerability"></a></h2><p>Please report security vulnerabilities to <a href="mailto:private@superset.apache.org" target="_blank" rel="noopener noreferrer">private@superset.apache.org</a>.</p><p>In the event a community member discovers a security flaw in Superset, it is important to follow the <a href="https://www.apache.org/security/committers.html" target="_blank" rel="noopener noreferrer">Apache Security Guidelines</a> and release a fix as quickly as possible before public disclosure. Reporting security vulnerabilities through the usual GitHub Issues channel is not ideal as it will publicize the flaw before a fix can be applied.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="sql-lab-async">SQL Lab Async<a href="#sql-lab-async" class="hash-link" aria-label="Direct link to SQL Lab Async" title="Direct link to SQL Lab Async"></a></h3><p>It's possible to configure a local database to operate in <code>async</code> mode, |
| to work on <code>async</code> related features.</p><p>To do this, you'll need to:</p><ul><li><p>Add an additional database entry. We recommend you copy the connection |
| string from the database labeled <code>main</code>, and then enable <code>SQL Lab</code> and the |
| features you want to use. Don't forget to check the <code>Async</code> box</p></li><li><p>Configure a results backend, here's a local <code>FileSystemCache</code> example, |
| not recommended for production, |
| but perfect for testing (stores cache in <code>/tmp</code>)</p><div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">from</span><span class="token plain"> flask_caching</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">backends</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">filesystemcache </span><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> FileSystemCache</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">RESULTS_BACKEND </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> FileSystemCache</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'/tmp/sqllab'</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" 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></li><li><p>Start up a celery worker</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">celery --app</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">superset.tasks.celery_app:app worker -O fair</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" 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></li></ul><p>Note that:</p><ul><li>for changes that affect the worker logic, you'll have to |
| restart the <code>celery worker</code> process for the changes to be reflected.</li><li>The message queue used is a <code>sqlite</code> database using the <code>SQLAlchemy</code> |
| experimental broker. Ok for testing, but not recommended in production</li><li>In some cases, you may want to create a context that is more aligned |
| to your production environment, and use the similar broker as well as |
| results backend configuration</li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="async-chart-queries">Async Chart Queries<a href="#async-chart-queries" class="hash-link" aria-label="Direct link to Async Chart Queries" title="Direct link to Async Chart Queries"></a></h3><p>It's possible to configure database queries for charts to operate in <code>async</code> mode. This is especially useful for dashboards with many charts that may otherwise be affected by browser connection limits. To enable async queries for dashboards and Explore, the following dependencies are required:</p><ul><li>Redis 5.0+ (the feature utilizes <a href="https://redis.io/topics/streams-intro" target="_blank" rel="noopener noreferrer">Redis Streams</a>)</li><li>Cache backends enabled via the <code>CACHE_CONFIG</code> and <code>DATA_CACHE_CONFIG</code> config settings</li><li>Celery workers configured and running to process async tasks</li></ul></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/superset/edit/master/docs/docs/contributing/misc.mdx" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/contributing/resources"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Resources</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/security/"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Security Configurations</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#reporting-a-security-vulnerability" class="table-of-contents__link toc-highlight">Reporting a Security Vulnerability</a><ul><li><a href="#sql-lab-async" class="table-of-contents__link toc-highlight">SQL Lab Async</a></li><li><a href="#async-chart-queries" class="table-of-contents__link toc-highlight">Async Chart Queries</a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright"> |
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