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#observability

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ARAzeez Roheemazeezroheem.hashnode.dev11h ago · 13 min read

I Added Production Observability to My AI SaaS in 10 Days. Here's the Full Stack.

I had a working AI SaaS. Then a user emailed me about a bug I didn't know existed. Here's how I fixed that blind spot. A few weeks ago I got an email from someone who'd signed up for Resume AI Tailor.

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AJAshmit JaiSarita Guptaengineeringwithashmit.hashnode.dev1d ago · 9 min read

Green does not mean working: what a health check confirms

A liveness probe and a real request take different paths through a service, and the gap between them hides a whole class of bug. The first real POST to log0's gateway hung with no error and no log lin

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BABlessing Angusdata-with-naza.hashnode.dev2d ago · 9 min read

Data Tests, Quality Checks, and Observability: The Three Layers Every Pipeline Needs

In Part 1 of this series, I defined data quality and walked through the six dimensions that the industry uses to measure it. If you have not read that piece, I would start there because the framework

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AEAhmed Eid Abdallaheidox.hashnode.dev2d ago · 13 min read

Migrating Production Observability to OpenTelemetry and OTel Collector

Hello, my name is Ahmed Eid (Eidoox), a Backend Engineer with over 3 years of experience building building reliable, scalable, and observable AI infrastructure, distributed systems, and real-time plat

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NHNweke Henryhenrycloud.hashnode.dev2d ago · 7 min read

I Found a Payment Failure Hidden in 600 Log Lines in 4 Seconds. Here's How. (Week 4)

Here's a scenario every engineer has lived through. Your Prometheus alert fires at 3am. Error rate spiked to 17%. You stare at the metric graph. The line goes up, stays up, comes down. You know someth

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ARAshitha Ravindranepok.hashnode.dev5d ago · 3 min read

Root Cause Analysis in Distributed Systems: Why Looking at One Signal Isn't Enough

If you've ever been on call, you've probably experienced this situation. An alert wakes you up in the middle of the night. One service is producing thousands of errors, dashboards are flashing red, an

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AJAshmit JaiSarita Guptaengineeringwithashmit.hashnode.dev5d ago · 10 min read

Building log0: a multi-tenant incident platform on Kafka

A bad deploy at 3 AM A deploy ships at 02:50. One null check is missing on a hot path. By 03:00, the payment service has thrown the same NullPointerException tens of thousands of times. If your alerti

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MYMohammad Yasircodilad.hashnode.dev5d ago · 3 min read

Why Debugging Webhooks Still Feels Like Detective Work

Receiving a webhook is easy. Understanding why it failed is where the real challenge begins. If you've ever integrated with Stripe, GitHub, Shopify, Clerk, or almost any modern SaaS platform, you've b

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ITIngero Teamingero.hashnode.dev5d ago · 7 min read

The Seventh Agent: Counting Privileged Processes on a Real GPU Host

A real audit of host-level agents already running on a typical GPU host. Adding kernel-level GPU observability is a decision about whether to add a seventh privileged process or to put the instrumenta

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AEAhmed Eid Abdallaheidox.hashnode.dev6d ago · 13 min read

Logs Are a Distributed System, Not Debug Output. Designing Reliable Logging pipeline

Hello, my name is Ahmed Eid (Eidoox), a Senior Backend Engineer with over 3 years of experience building reliable, scalable, distributed, and real-time systems. I have been designing and working with

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#observability

Search Hashnode

#observability

Explore Hashnode

Trending tags this week

I Added Production Observability to My AI SaaS in 10 Days. Here's the Full Stack.

Green does not mean working: what a health check confirms

Data Tests, Quality Checks, and Observability: The Three Layers Every Pipeline Needs

Migrating Production Observability to OpenTelemetry and OTel Collector

I Found a Payment Failure Hidden in 600 Log Lines in 4 Seconds. Here's How. (Week 4)

Root Cause Analysis in Distributed Systems: Why Looking at One Signal Isn't Enough

Building log0: a multi-tenant incident platform on Kafka

Why Debugging Webhooks Still Feels Like Detective Work

The Seventh Agent: Counting Privileged Processes on a Real GPU Host

Logs Are a Distributed System, Not Debug Output. Designing Reliable Logging pipeline