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role="presentation" class="navbar-sidebar__backdrop"></div></nav><div id="__docusaurus_skipToContent_fallback" class="main-wrapper mainWrapper_z2l0"><header class="hero hero_aEcG"><div class="container text--center"><h2 class="hero__title heroTitle_qg2I">OpenKruise</h2><span><a href="https://github.com/openkruise/kruise" data-icon="octicon-star" data-size="large" data-show-count="true" aria-label="Star facebook/metro on GitHub">Star</a></span><p class="hero__subtitle">Automate application management on Kubernetes.</p></div></header><div class="hero hero_aEcG"><div class="container"><div class="row"><div class="col col--7"><h1>What is OpenKruise?</h1><p class="hero__subtitle"><small>OpenKruise is an extended component suite for Kubernetes, which mainly focuses on application automations, such as<!-- --> <i>deployment, upgrade, ops and availability protection.</i><br><br>Mostly features provided by OpenKruise are built primarily based on CRD extensions. They can work in pure Kubernetes clusters without any other dependences.</small></p></div><div class="col"><img class="image" src="/img/what-is-kruise.png" align="right" alt="what is OpenKruise"></div></div></div></div><main class="hero hero_aEcG"><div class="container"><section><div class="container"><div class="row feature_xuHn"><div class="col col--3"><div class="text--center"><img class="featureImage_wMIZ" src="/img/feature1.png" alt="[object Object]"></div></div><div class="col col--9 featureDesc_g4Vk"><div><h2>Advanced Workloads</h2><div><p>OpenKruise contains a set of advanced workloads, such as CloneSet, Advanced StatefulSet, Advanced DaemonSet, BroadcastJob. They all support not only the basic features which are similar to the original Workloads in Kubernetes, but also more advanced abilities like in-place update, configurable scale/upgrade strategies, parallel operations.<br>In-place Update is a new methodology to update container images and even environments. It only restarts the specific container with the new image and the Pod will not be recreated, which leads to much faster update process and much less side effects on other sub-systems such as scheduler, CNI or CSI.</p></div></div></div></div><div class="row feature_xuHn featureReverse_jLKl"><div class="col col--3"><div class="text--center"><img class="featureImage_wMIZ" src="/img/feature2.png" alt="[object Object]"></div></div><div class="col col--9 featureDesc_g4Vk"><div><h2>Decoupled Application Management</h2><div><p>OpenKruise provides several decoupled ways to manage sidecar container, multi-domain deployment for applications, which means you can manage these things without modifying the Workloads of applications.<br>For example, SidecarSet can help you inject sidecar containers into all matching Pods during creation and even update them in-place with no effect on other containers in Pod. WorkloadSpread constrains the spread of stateless workload, which empowers single workload the abilities for multi-domain and elastic deployment.</p></div></div></div></div><div class="row feature_xuHn"><div class="col col--3"><div class="text--center"><img class="featureImage_wMIZ" src="/img/feature3.png" alt="[object Object]"></div></div><div class="col col--9 featureDesc_g4Vk"><div><h2>High-availability Protection</h2><div><p>OpenKruise works hard on protecting high-availability for applications. Now it can prevent your Kubernetes resources from the cascading deletion mechanism, including CRD, Namespace and almost all kinds of Workloads. In voluntary disruption scenarios, PodUnavailableBudget can achieve the effect of preventing application disruption or SLA degradation, which is not only compatible with Kubernetes PDB protection for Eviction API, but also able to support the protection ability of above scenarios.</p></div></div></div></div></div></section></div></main><div class="hero hero_aEcG"><div class="container text--center"><h3 class="hero__subtitle">OpenKruise is a<!-- --> <a href="https://cncf.io/">Cloud Native Computing Foundation</a> <!-- -->incubating project</h3><div class="cncf-logo cncfLogo_Komi"></div></div></div></div><footer class="footer"><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/installation">Getting Started</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 href="https://kubernetes.slack.com/channels/openkruise" target="_blank" rel="noopener noreferrer" class="footer__link-item">Kubernetes Slack ( #openkruise channel )<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="/">DingTalk (GroupID: 23330762 )</a></li><li class="footer__item"><a class="footer__link-item" href="/">WeChat (User: openkruise )</a></li><li class="footer__item"><a href="https://shimo.im/docs/gXqmeQOYBehZ4vqo" target="_blank" rel="noopener noreferrer" class="footer__link-item">Bi-week Meeting (APAC, Chinese)<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">More</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://github.com/openkruise/kruise" 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://github.com/openkruise/community/blob/master/community-membership.md" target="_blank" rel="noopener noreferrer" class="footer__link-item">Community Membership<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">
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