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class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link">About OpenRAG</span></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"><header><h1>What is OpenRAG?</h1></header><p>OpenRAG is an open-source package for building agentic RAG systems that integrates with a wide range of orchestration tools, vector databases, and LLM providers.</p>
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<p>OpenRAG connects and amplifies three popular, proven open-source projects into one powerful platform:</p>
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<ul>
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<li class="">
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<p><a href="https://docs.langflow.org" target="_blank" rel="noopener noreferrer" class="">Langflow</a>: Langflow is a versatile tool for building and deploying AI agents and MCP servers. It supports all major LLMs, vector databases, and a growing library of AI tools.</p>
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</li>
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<li class="">
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<p><a href="https://docs.opensearch.org/latest/" target="_blank" rel="noopener noreferrer" class="">OpenSearch</a>: OpenSearch is a community-driven, Apache 2.0-licensed open source search and analytics suite that makes it easy to ingest, search, visualize, and analyze data.</p>
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</li>
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<li class="">
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<p><a href="https://docling-project.github.io/docling/" target="_blank" rel="noopener noreferrer" class="">Docling</a>: Docling simplifies document processing, parsing diverse formats — including advanced PDF understanding — and providing seamless integrations with the gen AI ecosystem.</p>
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</li>
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</ul>
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<p>OpenRAG builds on Langflow's familiar interface while adding OpenSearch for vector storage and Docling for simplified document parsing, with opinionated flows that serve as ready-to-use recipes for ingestion, retrieval, and generation from popular sources like Google Drive, OneDrive, and Sharepoint.</p>
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<p>What's more, every part of the stack is swappable. Write your own custom components in Python, try different language models, and customize your flows to build an agentic RAG system.</p>
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<p>Ready to get started? <a class="" href="/install">Install OpenRAG</a> and then run the <a class="" href="/quickstart">Quickstart</a> to create a powerful RAG pipeline.</p>
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<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="openrag-architecture">OpenRAG architecture<a href="#openrag-architecture" class="hash-link" aria-label="Direct link to OpenRAG architecture" title="Direct link to OpenRAG architecture" translate="no"></a></h2>
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<p>OpenRAG deploys and orchestrates a lightweight, container-based architecture that combines <strong>Langflow</strong>, <strong>OpenSearch</strong>, and <strong>Docling</strong> into a cohesive RAG platform.</p>
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<!-- -->
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<p>The <strong>OpenRAG Backend</strong> is the central orchestration service that coordinates all other components.</p>
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<p><strong>Langflow</strong> provides a visual workflow engine for building AI agents, and connects to <strong>OpenSearch</strong> for vector storage and retrieval.</p>
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<p><strong>Docling Serve</strong> is a local document processing service managed by the <strong>OpenRAG Backend</strong>.</p>
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<p><strong>Third Party Services</strong> like <strong>Google Drive</strong> connect to the <strong>OpenRAG Backend</strong> through OAuth authentication, allowing synchronication of cloud storage with the OpenSearch knowledge base.</p>
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<p>The <strong>OpenRAG Frontend</strong> provides the user interface for interacting with the system.</p>
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<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="performance-expectations">Performance expectations<a href="#performance-expectations" class="hash-link" aria-label="Direct link to Performance expectations" title="Direct link to Performance expectations" translate="no"></a></h2>
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<p>On a local VM with 7 vCPUs and 8 GiB RAM, OpenRAG ingested approximately 5.03 GB across 1,083 files in about 42 minutes.
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This equates to approximately 2.4 documents per second.</p>
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<p>You can generally expect equal or better performance on developer laptops and significantly faster on servers.
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Throughput scales with CPU cores, memory, storage speed, and configuration choices such as embedding model, chunk size and overlap, and concurrency.</p>
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<p>This test returned 12 errors (approximately 1.1%).
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All errors were file‑specific, and they didn't stop the pipeline.</p>
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<p>Ingestion dataset:</p>
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<ul>
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<li class="">Total files: 1,083 items mounted</li>
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<li class="">Total size on disk: 5,026,474,862 bytes (approximately 5.03 GB)</li>
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</ul>
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<p>Hardware specifications:</p>
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<ul>
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<li class="">Machine: Apple M4 Pro</li>
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<li class="">Podman VM:<!-- -->
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<ul>
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<li class="">Name: <code>podman-machine-default</code></li>
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<li class="">Type: <code>applehv</code></li>
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<li class="">vCPUs: 7</li>
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<li class="">Memory: 8 GiB</li>
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<li class="">Disk size: 100 GiB</li>
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</ul>
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</li>
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</ul>
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<p>Test results:</p>
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<div class="language-text codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">2025-09-24T22:40:45.542190Z /app/src/main.py:231 Ingesting default documents when ready disable_langflow_ingest=False</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">2025-09-24T22:40:45.546385Z /app/src/main.py:270 Using Langflow ingestion pipeline for default documents file_count=1082</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">...</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">2025-09-24T23:19:44.866365Z /app/src/main.py:351 Langflow ingestion completed success_count=1070 error_count=12 total_files=1082</span><br></span></code></pre></div></div>
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<p>Elapsed time: ~42 minutes 15 seconds (2,535 seconds)</p>
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<p>Throughput: ~2.4 documents/second</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col noPrint_WFHX"><a href="https://github.com/openrag/openrag/tree/main/docs/docs/get-started/what-is-openrag.mdx" target="_blank" rel="noopener noreferrer" 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_JAkA"></div></div></footer></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--next" href="/quickstart"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Quickstart</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="#openrag-architecture" class="table-of-contents__link toc-highlight">OpenRAG architecture</a></li><li><a href="#performance-expectations" class="table-of-contents__link toc-highlight">Performance expectations</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title"></div><ul class="footer__items clean-list"><li class="footer__item"><div class="footer-links">
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