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<title data-rh="true">Distributed Database - Apache Ignite | Apache Ignite</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:image" content="https://ignite.apache.org/img/og-pic.png"><meta data-rh="true" property="og:locale" content="en"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docusaurus_tag" content="default"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docsearch:docusaurus_tag" content="default"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" name="twitter:site" content="@ApacheIgnite"><meta data-rh="true" name="description" content="Apache Ignite is a leading distributed database management system for high-performance computing with in-memory speed. Learn how to use the Ignite decentralized database system and get started."><meta data-rh="true" property="og:title" content="Distributed Database - Apache Ignite®"><meta data-rh="true" property="og:type" content="article"><meta data-rh="true" property="og:url" content="https://ignite.apache.org/"><meta data-rh="true" property="og:image" content="/img/og-pic.png"><meta data-rh="true" property="og:description" content="Apache Ignite is a leading distributed database management system for high-performance computing with in-memory speed. Learn how to use the Ignite decentralized database system and get started."><link data-rh="true" rel="icon" href="/img/favicon.png"><link data-rh="true" rel="alternate" href="https://ignite.apache.org/" hreflang="en"><link data-rh="true" rel="alternate" href="https://ignite.apache.org/" hreflang="x-default"><link data-rh="true" rel="canonical" href="https://ignite.apache.org/"><script data-rh="true">function insertBanner(){var n=document.createElement("div");n.id="__docusaurus-base-url-issue-banner-container";n.innerHTML='\n<div id="__docusaurus-base-url-issue-banner" style="border: thick solid red; background-color: rgb(255, 230, 179); margin: 20px; padding: 20px; font-size: 20px;">\n <p style="font-weight: bold; font-size: 30px;">Your Docusaurus site did not load properly.</p>\n <p>A very common reason is a wrong site <a href="https://docusaurus.io/docs/docusaurus.config.js/#baseUrl" style="font-weight: bold;">baseUrl configuration</a>.</p>\n <p>Current configured baseUrl = <span style="font-weight: bold; color: red;">/</span> (default value)</p>\n <p>We suggest trying baseUrl = <span id="__docusaurus-base-url-issue-banner-suggestion-container" style="font-weight: bold; color: green;"></span></p>\n</div>\n',document.body.prepend(n);var e=document.getElementById("__docusaurus-base-url-issue-banner-suggestion-container"),s=window.location.pathname,o="/"===s.substr(-1)?s:s+"/";e.innerHTML=o}document.addEventListener("DOMContentLoaded",function(){void 0===window.docusaurus&&insertBanner()})</script><link rel="alternate" type="application/rss+xml" href="/blog/rss.xml" title="Apache Ignite Blog RSS Feed">
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<em>Fast OR Consistent?</em></li><li><span>Distributed state:</span> <em>Fast OR Durable?</em></li><li><span>Data integrity:</span> <em>Eventual OR ACID?</em></li><li><span>Microservices:</span> <em>Simple OR Scalable?</em></li></ul><p class="heroTradeoffs__answer_DwoL"><strong>Apache Ignite eliminates the trade-off.</strong></p><p class="heroTradeoffs__pillars_QLZB"><em>Speed. Scale. Consistency. Durability. Queryability.</em></p></div></div></div><div class="heroActions_Z2kl"><a class="button fronthero__button_dmgP" href="/docs/">Get Started</a><a class="button button--outline fronthero__button_dmgP" href="/use-cases">Explore Use Cases</a></div></div></section></div><section class="frontblue_ncSy"><div class="container forntcodes_bbRu"><h2 class="h2_gZ6G">Start Building With Apache Ignite</h2><div class="forntcodes__wrap_L4uQ" style="display:flex;gap:4rem;align-items:flex-start"><div style="flex:0 0 33%;min-width:280px"><p class="pt-3 pb-2" style="font-size:16px;line-height:1.6;color:#333">Get up and running in minutes. Apache Ignite provides a memory-first distributed SQL database that eliminates the scale/speed trade-off for high-velocity workloads.</p><div style="margin-top:2rem"><a href="/docs/ignite3/3.1.0/getting-started/start-cluster" class="checklistItem_AhAO" target="_blank" rel="noreferrer"><span class="checklistIcon_bUmp"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"></path></svg></span><span>Configure a cluster in under 5 minutes</span></a><a href="/docs/ignite3/3.1.0/getting-started/work-with-sql" class="checklistItem_AhAO" target="_blank" rel="noreferrer"><span class="checklistIcon_bUmp"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"></path></svg></span><span>Run SQL queries on your distributed data</span></a><a href="/docs/ignite3/3.1.0/getting-started/key-value-api" class="checklistItem_AhAO" target="_blank" rel="noreferrer"><span class="checklistIcon_bUmp"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"></path></svg></span><span>Store and retrieve data with the Java API</span></a><a href="/docs/ignite3/3.1.0/configure-and-operate/configuration/config-storage-persistent" class="checklistItem_AhAO" target="_blank" rel="noreferrer"><span class="checklistIcon_bUmp"><svg width="20" height="20" viewBox="0 0 20 20" fill="currentColor"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"></path></svg></span><span>Persist your in-memory data</span></a></div><div style="margin-top:4rem"><a class="button" href="/docs/" target="_blank" rel="noreferrer" style="font-size:16px">View Client Documentation</a></div></div><div style="flex:1;min-width:0;position:relative"><div class="forntcodes__innertabs_GEz9"><div class="nativecode__tabctrls_V_Aj"><a href="#" class="nativecode__link_ZWVk active">Java</a><a href="#" class="nativecode__link_ZWVk">.NET</a><a href="#" class="nativecode__link_ZWVk">C++</a><a href="#" class="nativecode__link_ZWVk">Python</a><a href="#" class="nativecode__link_ZWVk">SQL/CLI</a></div><div class="nativecode__tabs_Qa4m" style="position:relative"><button class="copyButton_TrkD" style="position:absolute;top:12px;right:12px;z-index:10;background:rgba(255, 255, 255, 0.1);border:1px solid rgba(255, 255, 255, 0.2);border-radius:4px;padding:8px 12px;cursor:pointer;color:#fff;font-size:14px;display:flex;align-items:center;gap:6px;transition:background 0.2s"><svg width="16" height="16" viewBox="0 0 16 16" fill="currentColor"><path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 010 1.5h-1.5a.25.25 0 00-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 00.25-.25v-1.5a.75.75 0 011.5 0v1.5A1.75 1.75 0 019.25 16h-7.5A1.75 1.75 0 010 14.25v-7.5z"></path><path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0114.25 11h-7.5A1.75 1.75 0 015 9.25v-7.5zm1.75-.25a.25.25 0 00-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 00.25-.25v-7.5a.25.25 0 00-.25-.25h-7.5z"></path></svg>Copy</button><div class="nativecode__tab_aWH6 active" style="background:#2d3748;border-radius:8px;overflow:hidden;min-height:400px"><pre style="margin:0;background:#2d3748;padding:20px;color:#ccc;overflow:auto"><code>// Connect to the cluster
IgniteClient client = IgniteClient.builder()
.addresses("127.0.0.1:10800")
.build();
// Create a table
String createTableSql = "CREATE TABLE IF NOT EXISTS Person ("
+ "id INT PRIMARY KEY,"
+ "name VARCHAR,"
+ "age INT"
+ ")";
client.sql().execute(null, createTableSql);
// Insert data
String insertSql = "INSERT INTO Person (id, name, age) VALUES (?, ?, ?)";
client.sql().execute(null, insertSql, 1, "John Doe", 30);
client.sql().execute(null, insertSql, 2, "Jane Smith", 28);
// Query data
client.sql().execute(null, "SELECT * FROM Person WHERE age > ?", 25)
.forEachRemaining(row -> {
System.out.println("ID: " + row.intValue("id") +
", Name: " + row.stringValue("name") +
", Age: " + row.intValue("age"));
});
// Close the client
client.close();</code></pre></div></div></div></div></div></div></section><section class="section_vLba frontnewcards_NPcJ"><div class="container"><h2 class="h2_gZ6G">Apache Ignite Use Cases</h2><div class="frontnewcards__wrap_I621"><article class="frontsimplecard_hVuO cardsimple_px9V" style="display:flex;flex-direction:column;padding:var(--ai-spacing-2xl) var(--ai-spacing-xl) var(--ai-spacing-xl)"><div style="flex:1"><h4 class="cardsimple__title_hit9">Event Stream Processing <br>And Enrichment</h4><div class="cardsimple__text_Orbo"><strong>Fast OR Consistent?</strong> Enrich high-throughput event streams with consistent reference data. Memory-first architecture delivers low-latency lookups while maintaining ACID guarantees. Eliminate cache invalidation complexity.</div></div><a class="button button--primary button--outline" style="margin-top:1.5rem" href="/use-cases/event-stream-processing">Learn More</a></article><article class="frontsimplecard_hVuO cardsimple_px9V" style="display:flex;flex-direction:column;padding:var(--ai-spacing-2xl) var(--ai-spacing-xl) var(--ai-spacing-xl)"><div style="flex:1"><h4 class="cardsimple__title_hit9">Session Management <br>And Caching At Scale</h4><div class="cardsimple__text_Orbo"><strong>Fast OR Durable?</strong> Any-node session access with automatic failover and zero data loss. 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Significant infrastructure cost reduction potential through system consolidation.</div></div><a class="button button--primary button--outline" style="margin-top:1.5rem" href="/use-cases/microservices-state">Learn More</a></article></div></div></section><section class="section_vLba frontconfs_tz5M frontblue_ncSy"><div class="container"><h2 class="h2_gZ6G">Join The Community At Events And Meetups Worldwide</h2><div class="frontconfs__wrap_BK3Y"><a href="https://www.meetup.com/Apache-Ignite-Virtual-Meetup/" target="_blank" class="frontconfcard_NPwh frontconfcard--white_HSzh" rel="noreferrer"><div class="frontconfs__iconwrap_nsKy"><img src="/img/frontpage/events/001.svg" alt=""></div><h4 class="frontconfcard__title_Op_d">Ignite Virtual Meetup</h4><p>Experts and practitioners give <strong>online talks and presentations</strong> and share their Apache Ignite experience.</p><div class="frontconfcard__bottom_DGiE"><p class="capstext_E5SK">Online</p><div 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