The latest articles on Forem by anup ranjan (@anup_ranjan_5f812da043fb0). https://forem.com/anup_ranjan_5f812da043fb0 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3798908%2Fb7913ac7-87e4-49a0-8ca5-514ee75ffb54.png https://forem.com/anup_ranjan_5f812da043fb0 en anup ranjan Sat, 28 Feb 2026 21:33:59 +0000 https://forem.com/anup_ranjan_5f812da043fb0/from-oracle-endeca-to-elasticsearch-what-actually-transfers-272d https://forem.com/anup_ranjan_5f812da043fb0/from-oracle-endeca-to-elasticsearch-what-actually-transfers-272d <p>For most of my career, I worked on large-scale commerce search systems powered by Oracle Endeca.</p> <p>Search wasn’t just a feature. It impacted revenue, conversions, and user experience at scale.</p> <p>Recently, I started building hands-on projects with Elasticsearch.</p> <p>One thing became clear very quickly:</p> <p>The tools have changed. The fundamentals haven’t.</p> <p>What Years in Search Really Teach You</p> <p>Working on enterprise search platforms forces you to think about:</p> <p>Index design for large catalogs<br> Relevance tuning and ranking strategy<br> Faceted navigation<br> Query performance under load<br> Data modeling for search behavior</p> <p>Those principles are not product-specific.</p> <p>They apply just as much to Elasticsearch.</p> <p>What I Built</p> <p>To validate the transition, I implemented a small commerce-style Elasticsearch project that included:</p> <p>Explicit index mappings (separating text and keyword fields)<br> Weighted relevance boosting (title^3 vs description)<br> Bulk indexing to simulate production ingestion<br> Aggregations for faceted navigation</p> <p>Instead of focusing on syntax, I focused on architecture:</p> <p>How should the index be structured?<br> How should ranking reflect business logic?<br> How would this behave at scale?</p> <p>That thinking felt very familiar.</p> <p>What I’m Working on Now</p> <p>I’m expanding the project to simulate more production concerns:</p> <p>Larger datasets<br> Pagination strategy<br> Index optimization<br> Performance behavior</p> <p>The goal isn’t just learning a new tool.</p> <p>It’s applying deep search engineering principles to modern platforms like Elasticsearch and OpenSearch.</p> <p>Technology evolves.</p> <p>But strong system design thinking compounds.</p> <p>If you're modernizing search, migrating from legacy platforms, or tuning relevance in high-volume systems, I’d be happy to connect and exchange ideas.</p> <p>You can explore the project code on GitHub<a href="https://github.com/anupanupranjan-gif/commerce-search-platform" rel="noopener noreferrer">here</a> .</p> architecture elasticsearch devops career