Blog posts by Bhargav Patel

Bhargav Patel is a frontend-focused Software Engineer working on observability platforms. He builds seamless user experiences for visualizing and interacting with system data like logs, metrics, and traces. His focus is on performance, usability, and developer experience.

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Why You Can't Record Only the Sessions That Break — and the Config That Gets You Closest

Engineering

RUM Session Replay Frontend Monitoring

Why You Can't Record Only the Sessions That Break — and the Config That Gets You Closest

Session Replay streams to the backend as it records, so starting the recorder from an error handler never shows what caused the error. Here's the mechanism, the config that recovers most of the value, and the session-expiry catch that quietly breaks it.

Bhargav Patel

2026-08-11

Optimizing OpenObserve RUM: The Complete Guide to Cost, Performance, Privacy, and Data Quality

How To

RUM OpenObserve Frontend

Optimizing OpenObserve RUM: The Complete Guide to Cost, Performance, Privacy, and Data Quality

A practical engineering runbook for getting the most out of OpenObserve Real User Monitoring control ingestion volume and cost, protect the page load, mask PII, enrich sessions with business context, and stitch frontend events to backend traces.

Bhargav Patel

2026-06-29

RUM Source Maps: Debug Minified Production Errors with Original Source Code

How To

RUM OpenObserve Frontend

RUM Source Maps: Debug Minified Production Errors with Original Source Code

Learn how to use OpenObserve's RUM source map feature to transform cryptic minified stack traces into readable, debuggable code with original filenames, line numbers, and function names. Covers setup, CI/CD integration, and troubleshooting.

Bhargav Patel, Simran Kumari

2026-05-11

How To

Detecting Frustrated Users Before They Churn: A Deep Dive into OpenObserve's Frustration Signals

Learn how OpenObserve's RUM module automatically detects rage clicks, dead clicks, and error clicks turning invisible UX pain into actionable signals you can see in session replays, query with SQL, and alert on.

Bhargav Patel

2026-04-03

Engineering

Catch Anomalies Before They Become Incidents: Inside OpenObserve's Built-In Detection Engine

Explore how OpenObserve detects anomalies in logs, metrics, and traces to help SREs identify issues early and take action before incidents escalate.

Bhargav Patel, Loakesh Indiran

2026-03-25