Blog posts by Ashish Kolhe

Ashish leads Engineering at OpenObserve. Ashish is obsessed with building high performance systems with simplicity in mind. He has vast experience in multiple disciplines like streaming, analytics, big data and more.

Filter by:

We Built OpenObserve for Speed. Then We Fixed the UX.

Engineering

UX OpenObserve Product

We Built OpenObserve for Speed. Then We Fixed the UX.

We optimized OpenObserve for speed and cost and let the UI take a backseat. You told us. Here is what we changed, and why we are not done.

Ashish Kolhe

2026-07-14

Pin a Dashboard to Your OpenObserve Home Page (Org-Wide)

How To

Dashboards Observability OpenObserve

Pin a Dashboard to Your OpenObserve Home Page (Org-Wide)

You asked, we shipped: make one dashboard the org-wide landing view in OpenObserve. Pin it from the dashboard list or the dashboard header, and everyone on the team sees the same Home tab, server-side and across devices.

Ashish Kolhe

2026-07-13

Tracing a Runaway LLM Token Spike From Session to Trace to RUM

Engineering

LLM Observability OpenTelemetry Distributed Tracing

Tracing a Runaway LLM Token Spike From Session to Trace to RUM

How an AI-governance engineer walks one anomalous LLM turn across three signals in OpenObserve - session, distributed trace, and RUM replay - to pin down cost, cause, and the human action behind a token spike.

How We Built XDrain in Rust and Why It Made Log Pattern Detection Actually Fast

We rewrote the XDrain log pattern extraction algorithm in Rust, achieving 40x performance improvements over Python. Learn how we used prefix trees, systematic sampling, and memory-bounded LRU caches to process 361,000 logs/sec in real-time.

Ashish Kolhe

2026-03-17

From Symptoms to Quick Insights: Accelerate Troubleshooting with OpenObserve's Insights Feature

How To

Observability Logging Tracing

From Symptoms to Quick Insights: Accelerate Troubleshooting with OpenObserve's Insights Feature

Learn how to use OpenObserve Insights for interactive log and trace analysis. Identify root causes in 60 seconds with dimension analysis. Real examples, step-by-step guides, and troubleshooting tips.

Ashish Kolhe

2026-01-26

Introducing Log Patterns in OpenObserve: Automatic Pattern Extraction for Faster Log Analysis

Engineering

Enterprise Logging OpenObserve

Introducing Log Patterns in OpenObserve: Automatic Pattern Extraction for Faster Log Analysis

Automatically extract patterns from millions of logs in seconds. Learn how OpenObserve's log pattern analysis helps SREs reduce incident investigation time from 30 minutes to under 5 minutes.

Ashish Kolhe, Manas Sharma

2026-01-05

How To

Application Logging

How to stream NodeJS application logs to OpenObserve!

Sending logs from NodeJS application to OpenObserve using Pino is easy. This blog is a step by step guide to do that.

Ashish Kolhe

2023-10-02