Distributed Systems on Bharat Singhhttps://bsbhadwal.com/tags/distributed-systems/Recent content in Distributed Systems on Bharat SinghBharat Singhhttps://bsbhadwal.com/images/bharat-singh-ai-systems-architect.jpghttps://bsbhadwal.com/images/bharat-singh-ai-systems-architect.jpgHugoenTue, 13 Oct 2026 00:00:00 +0530ColBERT and Late Interaction at Scale: Why Multi-Vector Retrieval Strains Production Memoryhttps://bsbhadwal.com/posts/colbert-late-interaction-at-scale-memory-bandwidth-physics/Wed, 22 Jul 2026 00:00:00 +0530https://bsbhadwal.com/posts/colbert-late-interaction-at-scale-memory-bandwidth-physics/Deep architectural analysis of ColBERT late interaction multi-vector retrieval, memory bandwidth physics, PLAID indexing, and sub-50ms latency SLAs.Why Workflow DAGs Break at 2,500+ Tenants: Moving Multi-Tenant RAG from Batch Orchestration to Event-Driven Pub/Subhttps://bsbhadwal.com/posts/why-workflow-dags-break-at-scale-pubsub-vs-prefect/Thu, 16 Oct 2025 00:00:00 +0530https://bsbhadwal.com/posts/why-workflow-dags-break-at-scale-pubsub-vs-prefect/Why static workflow DAG orchestrators collapse under multi-tenant RAG workloads at scale, and how event-driven Pub/Sub message buses solve tenant isolation.Building Self-Discovering AI Agents: Dynamic Tool Discovery with gRPC Reflection and LangGraphhttps://bsbhadwal.com/posts/architecting-dynamic-self-discovering-ai-agents-a-langgraph-and-grpc-reflection-prototype/Fri, 22 Aug 2025 00:00:00 +0530https://bsbhadwal.com/posts/architecting-dynamic-self-discovering-ai-agents-a-langgraph-and-grpc-reflection-prototype/Architecting self-discovering AI agents using gRPC Server Reflection and LangGraph for dynamic schema discovery without hardcoded API tools.