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class="button innerhero__button" href="https://ignite.apache.org/docs/latest/index">Start Coding</a></div> </div> <img class="innerhero__pic innerhero__pic--multitier" src="/img/usecases/in-memory-hero.svg" alt="Distributed In-Memory Cache" /> </div> </section>  <section class="multitier2"></section> <div class="container"> <div class="h3 multitier2__title"> Apache Ignite multi-tier storage implements a cutting-edge storage architecture that combines performance benefits of memory with the scalability and durability advantages of disk-based databases. </div> </div> <section class="multitiers container"> <header class="blockheader blockheader--spl flexi"><h2 class="h4 blockheader__left blockheader__left--full">Primary Multi-Tier Storage Usage Modes</h2></header> <div class="multitier3 flexi"> <div class="multitiers__left"> <article class="multitierblock"> <h3 class="multitierblock__title">In-Memory Mode</h3> <p class="fz20 pt-2">Get all the benefits of in-memory computing solutions. Store and process data at the lowest latency and highest throughput.</p> <img class="multitierblock__pic" src="/img/features/multitier/01-bd.svg" alt="" /> </article> </div> <div class="multitiers__right multitiers__text"> <h4 class="multitier3__h4 fz20 pb-1x">How It Works</h4> <p>The whole data set is available in memory tier only.</p> <p>In order to survive node failures, we recommend keeping at least one backup copy of the data in the cluster. DRAM or Intel® Optane™ operating in the Memory Mode can be used as a storage device.</p> <h4 class="multitier3__h4 fz20 pt-3">Use-Cases</h4> <ul class="dashlist pt-2"> <li>In-memory caching</li> <li>High-performance computing</li> <li>Web-session caching</li> <li>Real-time processing of continuous data streams</li> </ul> <div class="multitiervid pt-3"> <div class="multitiervid__link pb-2"><span>In-Memory Mode Case-Study</span></div> <article class="comvideo"> <div class="comvideo__box"> <a class="comvideo__screen" href="https://www.youtube.com/watch?v=Mhtt2QL_qCQ&t=639s" data-youtube="data-youtube" ><span class="comvideo__txt comvideo__txt--black comvideo__txt--small">How To Use Apache Ignite To Resque The Backend <br />Of The Bank</span><img src="/img/features/multitier/video-1.png" alt="" /></a> </div> <div class="comvideo__descr pt-1"><div class="multitiervid__descr">Raiffeisen Bank uses in-memory mode to store their data</div></div> </article> </div> </div> </div>  <div class="multitier4 flexi"> <div class="multitiers__left multitiers__text"> <h4 class="multitier3__h4 fz20 pb-1x">How It Works</h4> <p> Ignite slides in between your existing application and data layer. Ignite <a href="https://ignite.apache.org/docs/latest/persistence/external-storage#read-through-and-write-through" target="_blank">writes-through</a> or <a href="https://ignite.apache.org/docs/latest/persistence/external-storage#write-behind-caching" target="_blank">writes-behind</a> all data modifications to the underlying external databases. </p> <h4 class="multitier3__h4 fz20 pt-3 pb-2">Use-Cases</h4> <p>Offloading and acceleration of existing databases, backend-systems, applications and APIs.</p> <div class="multitiervid pt-4"> <div class="multitiervid__link pb-2"><span>In-Memory + External Database Mode Case-Study</span></div> <article class="comvideo"> <div class="comvideo__box"> <a class="comvideo__screen" href="https://www.youtube.com/watch?v=CPmwnjDJ1Sk" data-youtube="data-youtube" ><span class="comvideo__txt comvideo__txt--small">Embracing The Service Consumption Shift In Banking</span><img src="/img/poweredby/videos/006.png" alt="" /></a> </div> <div class="comvideo__descr pt-1"></div> </article> <div class="multitiervid__descr">ING core banking system transformation with Apache Ignite.</div> </div> </div> <div class="multitiers__right"> <article class="multitierblock"> <h3 class="multitierblock__title">In-Memory + External Database Mode</h3> <p class="fz20 pt-1x">Accelerate and offload your existing databases by deploying Ignite as a caching layer on top of existing disk-based databases and back-end systems.</p> <img class="multitierblock__pic" src="/img/features/multitier/03-bd.svg" alt="" /> </article> </div> </div>  <div class="multitier5 flexi"> <div class="multitiers__left"> <article class="multitierblock"> <h3 class="multitierblock__title">Multi-Tier Database Mode</h3> <p class="fz20 pt-1x">Scale beyond the available memory capacity and skip memory warm-ups on restarts</p> <img class="multitierblock__pic" src="/img/features/multitier/04-bd.svg" alt="" /> </article> </div> <div class="multitiers__right multitiers__text"> <h4 class="multitier3__h4 fz20 pb-1x">How It Works</h4> <p>100% of data is persisted to Ignite native persistence, and the same amount or less is cached in memory. The more data cached, the faster the performance.</p> <p>Applications can query both in-memory and disk-only records transparently scaling beyond available memory capacity.</p> <p>There is no need for memory warm-ups on restarts since Ignite can serve data from disk. SSD, Flash, HDD or Intel® Optane™ operating in the AppDirect Mode can be used as a storage device.</p> <h4 class="multitier3__h4 fz20 pt-3 pb-2">Use-Cases</h4> <p>Ignite as a distributed database for HTAP workloads or digital integration hub with the active persistence layer.</p> <div class="multitiervid pt-4"> <div class="multitiervid__link pb-2"><span>Native Persistence Case-Study</span></div> <article class="comvideo"> <div class="comvideo__box"> <a class="comvideo__screen" href="https://www.youtube.com/watch?v=jF9T2cJB6t0&t=137s" data-youtube="data-youtube" ><span class="comvideo__txt comvideo__txt--small">How To Use Apache Ignite To Resque The Backend <br />Of The Bank</span><img src="/img/features/multitier/video-2.png" alt="" /></a> </div> <div class="comvideo__descr pt-1"><div class="multitiervid__descr">JP Morgan team use Ignite to achieve persistence, caching and integrated compute</div></div> </article> </div> </div> </div>  </section>  <section class="native-bottom container"> <div class="native-bottom__grid"> <article class="nativebotblock"> <div class="h4 nativebotblock__title"><img class="nativebotblock__icon" src="/img/features/native-rocket.svg" alt="" /><span>Ready to Start?</span></div> <p class="nativebotblock__text">Discover more details about multi-tier storage <br />and configure it for your use-case</p> <a class="nativebotblock__link arrowlink" href="https://ignite.apache.org/docs/latest/persistence/native-persistence" target="_blank">Configure Native Persistence</a> </article> <article class="nativebotblock nativebotblock--learn"> <div class="h4 nativebotblock__title"><img class="nativebotblock__icon" src="/img/features/native-docs.svg" alt="" /><span>Want to Learn More?</span></div> <p class="nativebotblock__text">Check multi-tier storage implementation <br />details article</p> <a class="nativebotblock__link arrowlink" href="https://cwiki.apache.org/confluence/display/IGNITE/Ignite+Multi-Tier+Storage+-+under+the+hood" 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