<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>PubSub on Bharat Singh</title><link>https://bsbhadwal.com/tags/pubsub/</link><description>Recent content in PubSub on Bharat Singh</description><image><title>Bharat Singh</title><url>https://bsbhadwal.com/images/bharat-singh-ai-systems-architect.jpg</url><link>https://bsbhadwal.com/images/bharat-singh-ai-systems-architect.jpg</link></image><generator>Hugo</generator><language>en</language><lastBuildDate>Tue, 13 Oct 2026 00:00:00 +0530</lastBuildDate><atom:link href="https://bsbhadwal.com/tags/pubsub/index.xml" rel="self" type="application/rss+xml"/><item><title>Why Workflow DAGs Break at 2,500+ Tenants: Moving Multi-Tenant RAG from Batch Orchestration to Event-Driven Pub/Sub</title><link>https://bsbhadwal.com/posts/why-workflow-dags-break-at-scale-pubsub-vs-prefect/</link><pubDate>Thu, 16 Oct 2025 00:00:00 +0530</pubDate><guid>https://bsbhadwal.com/posts/why-workflow-dags-break-at-scale-pubsub-vs-prefect/</guid><description>Why static workflow DAG orchestrators collapse under multi-tenant RAG workloads at scale, and how event-driven Pub/Sub message buses solve tenant isolation.</description></item></channel></rss>