The latest articles on DEV Community by Souvik Misra (@souvik_misra_b527ec5acdd3). https://dev.to/souvik_misra_b527ec5acdd3 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%2F3408283%2Fe844c187-a2c7-4278-923a-6d5b4aa77161.png https://dev.to/souvik_misra_b527ec5acdd3 en Souvik Misra Sat, 09 Aug 2025 18:54:27 +0000 https://dev.to/souvik_misra_b527ec5acdd3/semantic-caching-layer-for-high-throughput-8j8 https://dev.to/souvik_misra_b527ec5acdd3/semantic-caching-layer-for-high-throughput-8j8 <p><em>This is a submission for the <a href="https://dev.to/challenges/redis-2025-07-23">Redis AI Challenge</a>: Real-Time AI Innovators</em>.</p> <h2> What I Built </h2> <p>Intelligent Semantic Search System with AI-powered caching and vector similarity search.</p> <h3> Key Features </h3> <h4> 🧠 Semantic Search System </h4> <ul> <li> <strong>AI-Powered Semantic Caching</strong>: Reduce OpenAI API costs with intelligent query caching</li> <li> <strong>Smart Retry Logic</strong>: Robust error handling with exponential backoff</li> <li> <strong>Multiple Model Support</strong>: Integration with OpenAI GPT models and SentenceTransformers</li> <li> <strong>Performance Analytics</strong>: Real-time cache hit/miss tracking and speedup measurements</li> </ul> <h4> What it showcases: </h4> <ul> <li> <strong>Cache Performance</strong>: Measures dramatic speedup (100-300x faster) on repeated queries</li> <li> <strong>Semantic Similarity</strong>: Demonstrates how similar questions get cached responses</li> <li> <strong>Cost Optimization</strong>: Shows how caching reduces OpenAI API costs by 80-90%</li> </ul> <h2> Demo </h2> <p>All the necessary details of the application is available on <a href="https://github.com/svkmsr6/redis-semantic-cache-demo" rel="noopener noreferrer">Github</a>. Here is a screenshot from the web interface of the same <br> <a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fkzgkg0dig7yz06fddoux.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fkzgkg0dig7yz06fddoux.png" alt=" " width="800" height="447"></a></p> <p>As we can clearly see, once cached there is again of 150x in retrieval speed. Only in the first instance do we see it taking around 9 sec because it gets generated and retrieved from the LLM end. We also have a temporary demo server hosted <a href="https://ef600315-b15a-49ec-a8c2-14f77f40f61f-00-rukp8xxfv7rv.sisko.replit.dev/" rel="noopener noreferrer">here</a></p> <h2> How I Used Redis 8 </h2> <p>The documentation highlights innovative use of multiple Redis features:</p> <p><strong>RedisVL (Vector Library)</strong> for semantic caching with 768-dimensional embeddings<br> <strong>RedisJSON</strong> for modern document storage with flexible schemas<br> <strong>RediSearch</strong> for lightning-fast full-text search with real-time indexing</p> redischallenge devchallenge database ai Souvik Misra Thu, 07 Aug 2025 18:06:15 +0000 https://dev.to/souvik_misra_b527ec5acdd3/real-time-collaborative-document-editor-539c https://dev.to/souvik_misra_b527ec5acdd3/real-time-collaborative-document-editor-539c <p><em>This is a submission for the <a href="https://dev.to/challenges/redis-2025-07-23">Redis AI Challenge</a>: Beyond the Cache</em>.</p> <h2> What I Built </h2> <p><strong>Advanced Document Management System</strong> - A full-featured document storage and retrieval system with real-time updates and audit trails</p> <h3> Key Features </h3> <h4> 🗄️ Document Management System </h4> <ul> <li> <strong>JSON Document Storage</strong>: Store flexible JSON documents with automatic indexing</li> <li> <strong>Full-Text Search</strong>: Powered by RediSearch for lightning-fast document discovery</li> <li> <strong>Real-Time Updates</strong>: Live document synchronization using Redis Pub/Sub</li> <li> <strong>Complete Audit Trail</strong>: Immutable change tracking with Redis Streams</li> <li> <strong>RESTful API</strong>: Easy-to-use HTTP endpoints for all operations</li> </ul> <h4> What it showcases </h4> <ul> <li>Creates sample documents (tech articles, tutorials, guides)</li> <li>Performs full-text searches across document collections</li> <li>Demonstrates real-time document updates with live notifications</li> <li>Shows complete audit trails of all document changes</li> <li>Displays Redis server statistics and performance metrics</li> </ul> <h2> Demo </h2> <p>All the necessary details on source code, setup, internal workings and how to use the API endpoints are available <a href="https://github.com/svkmsr6/real-time-collaborative-doc-editor" rel="noopener noreferrer">here</a><br> Attached screenshots.</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fdahwowg4yl9zw12xjueh.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fdahwowg4yl9zw12xjueh.png" alt=" " width="800" height="334"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjntc6rnvs9i91a1baxss.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjntc6rnvs9i91a1baxss.png" alt=" " width="800" height="284"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fmix33t2ph23bkxlenxnr.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fmix33t2ph23bkxlenxnr.png" alt=" " width="800" height="449"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fpwq9qu75jhr52nfe0fbd.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fpwq9qu75jhr52nfe0fbd.png" alt=" " width="800" height="266"></a></p> <h2> How I Used Redis 8 </h2> <p><strong>RedisVL (Vector Library)</strong> for semantic caching with 768-dimensional embeddings<br> <strong>RedisJSON</strong> for modern document storage with flexible schemas<br> <strong>RediSearch</strong> for lightning-fast full-text search with real-time indexing<br> <strong>Redis Streams</strong> for immutable audit trails and compliance<br> <strong>Redis Pub/Sub</strong> for real-time synchronization across clients</p> redischallenge devchallenge database ai