| <div role="region" aria-label="Skip to main content"><a class="skipToContent_fXgn" href="#docusaurus_skipToContent_fallback">Skip to main content</a></div><nav aria-label="Main" class="navbar navbar--fixed-top"><div class="navbar__inner"><div class="navbar__items"><button aria-label="Toggle navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></button><a class="navbar__brand" href="/"><div class="navbar__logo"><img src="/img/bk-logo.svg" alt="Apache Bookkeeper" class="themedImage_ToTc themedImage--light_HNdA"><img src="/img/bk-logo.svg" alt="Apache Bookkeeper" class="themedImage_ToTc themedImage--dark_i4oU"></div><b class="navbar__title text--truncate">Apache BookKeeper</b></a><a aria-current="page" class="navbar__item navbar__link navbar__link--active" href="/docs/4.16.5/overview/">Documentation</a><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">Community</a><ul class="dropdown__menu"><li><a class="dropdown__link" href="/community/mailing-lists">Mailing lists</a></li><li><a class="dropdown__link" href="/community/slack">Slack</a></li><li><a href="https://github.com/apache/bookkeeper/issues" target="_blank" rel="noopener noreferrer" class="dropdown__link">Github issues<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li><a class="dropdown__link" href="/community/releases">Release management</a></li><li><a class="dropdown__link" href="/community/meeting">Community meetings</a></li><li><a class="dropdown__link" href="/community/contributing">Contribution guide</a></li><li><a class="dropdown__link" href="/community/coding-guide">Coding guide</a></li><li><a class="dropdown__link" href="/community/testing">Testing guide</a></li><li><a class="dropdown__link" href="/community/issue-report">Issue report guide</a></li><li><a class="dropdown__link" href="/community/release-guide">Release guide</a></li><li><a class="dropdown__link" href="/community/presentations">Presentations</a></li><li><a class="dropdown__link" href="/community/bookkeeper-proposals">BookKeeper proposals (BP)</a></li></ul></div><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">Project</a><ul class="dropdown__menu"><li><a class="dropdown__link" href="/project/who">Who are we?</a></li><li><a class="dropdown__link" href="/project/bylaws">Bylaws</a></li><li><a href="https://apache.org/licenses" target="_blank" rel="noopener noreferrer" class="dropdown__link">License<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li><a class="dropdown__link" href="/project/privacy">Privacy policy</a></li><li><a href="https://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noopener noreferrer" class="dropdown__link">Sponsorship<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li><a href="https://www.apache.org/foundation/thanks.html" target="_blank" rel="noopener noreferrer" class="dropdown__link">Thanks<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li></ul></div></div><div class="navbar__items navbar__items--right"><div class="navbar__item dropdown dropdown--hoverable dropdown--right"><a class="navbar__link" aria-haspopup="true" aria-expanded="false" role="button" href="/docs/4.16.5/overview/">4.16.5</a><ul class="dropdown__menu"><li><a class="dropdown__link" href="/docs/next/deployment/manual">Next</a></li><li><a class="dropdown__link" href="/docs/deployment/manual">4.17.0</a></li><li><a aria-current="page" class="dropdown__link dropdown__link--active" href="/docs/4.16.5/deployment/manual">4.16.5</a></li><li><a class="dropdown__link" href="/docs/4.15.5/deployment/manual">4.15.5</a></li><li><a class="dropdown__link" href="/docs/4.14.8/deployment/manual">4.14.8</a></li><li><a class="dropdown__link" href="/docs/4.13.0/deployment/manual">4.13.0</a></li><li><a class="dropdown__link" href="/docs/4.12.1/deployment/manual">4.12.1</a></li><li><a class="dropdown__link" href="/docs/4.11.1/deployment/manual">4.11.1</a></li><li><a class="dropdown__link" href="/docs/4.10.0/deployment/manual">4.10.0</a></li><li><a class="dropdown__link" href="/docs/4.9.2/deployment/manual">4.9.2</a></li><li><a class="dropdown__link" href="/docs/4.8.2/deployment/manual">4.8.2</a></li><li><a class="dropdown__link" href="/docs/4.7.3/deployment/manual">4.7.3</a></li><li><a class="dropdown__link" href="/docs/4.6.2/deployment/manual">4.6.2</a></li><li><a class="dropdown__link" href="/docs/4.5.1/deployment/manual">4.5.1</a></li></ul></div><a class="navbar__item navbar__link" href="/releases">Download</a><div class="toggle_vylO colorModeToggle_DEke"><button class="clean-btn toggleButton_gllP toggleButtonDisabled_aARS" type="button" disabled="" title="Switch between dark and light mode (currently light mode)" aria-label="Switch between dark and light mode (currently light mode)" aria-live="polite"><svg viewBox="0 0 24 24" width="24" height="24" class="lightToggleIcon_pyhR"><path fill="currentColor" d="M12,9c1.65,0,3,1.35,3,3s-1.35,3-3,3s-3-1.35-3-3S10.35,9,12,9 M12,7c-2.76,0-5,2.24-5,5s2.24,5,5,5s5-2.24,5-5 S14.76,7,12,7L12,7z M2,13l2,0c0.55,0,1-0.45,1-1s-0.45-1-1-1l-2,0c-0.55,0-1,0.45-1,1S1.45,13,2,13z M20,13l2,0c0.55,0,1-0.45,1-1 s-0.45-1-1-1l-2,0c-0.55,0-1,0.45-1,1S19.45,13,20,13z M11,2v2c0,0.55,0.45,1,1,1s1-0.45,1-1V2c0-0.55-0.45-1-1-1S11,1.45,11,2z M11,20v2c0,0.55,0.45,1,1,1s1-0.45,1-1v-2c0-0.55-0.45-1-1-1C11.45,19,11,19.45,11,20z M5.99,4.58c-0.39-0.39-1.03-0.39-1.41,0 c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0s0.39-1.03,0-1.41L5.99,4.58z M18.36,16.95 c-0.39-0.39-1.03-0.39-1.41,0c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0c0.39-0.39,0.39-1.03,0-1.41 L18.36,16.95z M19.42,5.99c0.39-0.39,0.39-1.03,0-1.41c-0.39-0.39-1.03-0.39-1.41,0l-1.06,1.06c-0.39,0.39-0.39,1.03,0,1.41 s1.03,0.39,1.41,0L19.42,5.99z M7.05,18.36c0.39-0.39,0.39-1.03,0-1.41c-0.39-0.39-1.03-0.39-1.41,0l-1.06,1.06 c-0.39,0.39-0.39,1.03,0,1.41s1.03,0.39,1.41,0L7.05,18.36z"></path></svg><svg viewBox="0 0 24 24" width="24" height="24" class="darkToggleIcon_wfgR"><path fill="currentColor" d="M9.37,5.51C9.19,6.15,9.1,6.82,9.1,7.5c0,4.08,3.32,7.4,7.4,7.4c0.68,0,1.35-0.09,1.99-0.27C17.45,17.19,14.93,19,12,19 c-3.86,0-7-3.14-7-7C5,9.07,6.81,6.55,9.37,5.51z M12,3c-4.97,0-9,4.03-9,9s4.03,9,9,9s9-4.03,9-9c0-0.46-0.04-0.92-0.1-1.36 c-0.98,1.37-2.58,2.26-4.4,2.26c-2.98,0-5.4-2.42-5.4-5.4c0-1.81,0.89-3.42,2.26-4.4C12.92,3.04,12.46,3,12,3L12,3z"></path></svg></button></div><div class="searchBox_ZlJk"></div></div></div><div role="presentation" class="navbar-sidebar__backdrop"></div></nav><div id="docusaurus_skipToContent_fallback" class="main-wrapper mainWrapper_z2l0 docsWrapper_BCFX"><button aria-label="Scroll back to top" class="clean-btn theme-back-to-top-button backToTopButton_sjWU" type="button"></button><div class="docPage__5DB"><aside class="theme-doc-sidebar-container docSidebarContainer_b6E3"><div class="sidebarViewport_Xe31"><div class="sidebar_njMd"><nav aria-label="Docs sidebar" class="menu thin-scrollbar menu_SIkG"><ul class="theme-doc-sidebar-menu menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/4.16.5/overview/">Overview</a></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 class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/4.16.5/getting-started/installation">Getting started</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret menu__link--active" aria-expanded="true" href="/docs/4.16.5/deployment/manual">Deployment</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link menu__link--active" aria-current="page" tabindex="0" href="/docs/4.16.5/deployment/manual">Manual deployment</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="/docs/4.16.5/deployment/kubernetes">BookKeeper on Kubernetes</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 class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/4.16.5/admin/bookies">Administration</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 class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/4.16.5/api/overview">API</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 class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/4.16.5/security/overview">Security</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 class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/4.16.5/development/protocol">Development</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 class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/4.16.5/reference/config">Reference</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_VOVn"><div class="docItemContainer_Djhp"><article><span class="theme-doc-version-badge badge badge--secondary">Version: 4.16.5</span><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"><header><h1>Manual deployment</h1></header><p>A BookKeeper cluster consists of two main components:</p><ul><li>A <a href="#zookeeper-setup">ZooKeeper</a> cluster that is used for configuration- and coordination-related tasks</li><li>An <a href="#starting-up-bookies">ensemble</a> of bookies</li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="zookeeper-setup">ZooKeeper setup<a href="#zookeeper-setup" class="hash-link" aria-label="Direct link to ZooKeeper setup" title="Direct link to ZooKeeper setup"></a></h2><p>We won't provide a full guide to setting up a ZooKeeper cluster here. We recommend that you consult <a href="https://zookeeper.apache.org/doc/current/zookeeperAdmin.html" target="_blank" rel="noopener noreferrer">this guide</a> in the official ZooKeeper documentation.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="cluster-metadata-setup">Cluster metadata setup<a href="#cluster-metadata-setup" class="hash-link" aria-label="Direct link to Cluster metadata setup" title="Direct link to Cluster metadata setup"></a></h2><p>Once your ZooKeeper cluster is up and running, there is some metadata that needs to be written to ZooKeeper, so you need to modify the bookie's configuration to make sure that it points to the right ZooKeeper cluster.</p><p>On each bookie host, you need to <a href="/docs/4.16.5/getting-started/installation#download">download</a> the BookKeeper package as a tarball. Once you've done that, you need to configure the bookie by setting values in the <code>bookkeeper-server/conf/bk_server.conf</code> config file. The one parameter that you will absolutely need to change is the <code>metadataServiceUri</code> parameter, which you will need to set to the ZooKeeper connection string for your ZooKeeper cluster. Here's an example:</p><div class="language-properties codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-properties codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">metadataServiceUri=zk+hierarchical://100.0.0.1:2181;100.0.0.2:2181;100.0.0.3:2181/ledgers</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 class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path 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 class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path 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>A full listing of configurable parameters available in <code>bookkeeper-server/conf/bk_server.conf</code> can be found in the <a href="/docs/4.16.5/reference/config">Configuration</a> reference manual.</p></blockquote><p>Once the bookie's configuration is set, you can set up cluster metadata for the cluster by running the following command from any bookie in the cluster:</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">$ bookkeeper-server/bin/bookkeeper shell metaformat</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 class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path 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 class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>You can run in the formatting </p><blockquote><p>The <code>metaformat</code> command performs all the necessary ZooKeeper cluster metadata tasks and thus only needs to be run <em>once</em> and from <em>any</em> bookie in the BookKeeper cluster.</p></blockquote><p>Once cluster metadata formatting has been completed, your BookKeeper cluster is ready to go!</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="starting-up-bookies">Starting up bookies<a href="#starting-up-bookies" class="hash-link" aria-label="Direct link to Starting up bookies" title="Direct link to Starting up bookies"></a></h2><p>Before you start up your bookies, you should make sure that all bookie hosts have the correct configuration, then you can start up as many bookies as you'd like to form a cluster by using the <a href="/docs/4.16.5/reference/cli#bookkeeper-bookie"><code>bookie</code></a> command of the <a href="/docs/4.16.5/reference/cli#bookkeeper"><code>bookkeeper</code></a> CLI tool:</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">$ bookkeeper-server/bin/bookkeeper bookie</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 class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path 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 class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path 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="system-requirements">System requirements<a href="#system-requirements" class="hash-link" aria-label="Direct link to System requirements" title="Direct link to System requirements"></a></h3><p>The number of bookies you should run in a BookKeeper cluster depends on the quorum mode that you've chosen, the desired throughput, and the number of clients using the cluster simultaneously.</p><table><thead><tr><th align="left">Quorum type</th><th align="left">Number of bookies</th></tr></thead><tbody><tr><td align="left">Self-verifying quorum</td><td align="left">3</td></tr><tr><td align="left">Generic</td><td align="left">4</td></tr></tbody></table><p>Increasing the number of bookies will enable higher throughput, and there is <strong>no upper limit</strong> on the number of bookies. </p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/4.16.5/getting-started/concepts"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">BookKeeper concepts and architecture</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/4.16.5/deployment/kubernetes"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Deploying Apache BookKeeper on Kubernetes</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="#zookeeper-setup" class="table-of-contents__link toc-highlight">ZooKeeper setup</a></li><li><a href="#cluster-metadata-setup" class="table-of-contents__link toc-highlight">Cluster metadata setup</a></li><li><a href="#starting-up-bookies" class="table-of-contents__link toc-highlight">Starting up bookies</a><ul><li><a href="#system-requirements" class="table-of-contents__link toc-highlight">System requirements</a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">Documentation</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/docs/overview">Overview</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/getting-started/installation">Getting started</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/deployment/manual">Deployment</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/admin/bookies">Administration</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/api/overview">API</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/security/overview">Security</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/development/protocol">Development</a></li><li class="footer__item"><a class="footer__link-item" href="/docs/reference/config">Reference</a></li></ul></div><div class="col footer__col"><div class="footer__title">Community</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/community/mailing-lists">Mailing lists</a></li><li class="footer__item"><a class="footer__link-item" href="/community/slack">Slack</a></li><li class="footer__item"><a href="https://github.com/apache/bookkeeper" target="_blank" rel="noopener noreferrer" class="footer__link-item">Github<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a href="https://twitter.com/asfbookkeeper" target="_blank" rel="noopener noreferrer" class="footer__link-item">Twitter<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li></ul></div><div class="col footer__col"><div class="footer__title">Project</div><ul class="footer__items clean-list"><li class="footer__item"><a class="footer__link-item" href="/project/who">Who are we?</a></li><li class="footer__item"><a class="footer__link-item" href="/project/bylaws">Bylaws</a></li><li class="footer__item"><a href="https://apache.org/licenses" target="_blank" rel="noopener noreferrer" class="footer__link-item">License<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a class="footer__link-item" href="/project/privacy">Privacy policy</a></li><li class="footer__item"><a href="https://www.apache.org/foundation/sponsorship.html" target="_blank" rel="noopener noreferrer" class="footer__link-item">Sponsorship<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li><li class="footer__item"><a href="https://www.apache.org/foundation/thanks.html" target="_blank" rel="noopener noreferrer" class="footer__link-item">Thanks<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></li></ul></div></div><div class="footer__bottom text--center"><div class="footer__copyright"><footer class="footer"> |