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Case Studies

Homogeneous Monitoring across Cloud and On-premise.
How One2N set up homogeneous observability across multi-cloud and on-premise data centers, standardizing monitoring and reducing cloud costs.

Blogs

How one parameter stalled Postgres Replication with Debezium for 3 Weeks

Harsh Mishra

SRE @One2N

A story about WAL segments, missing events, and the one line of SQL that should have been there from the start.

The Gotchas of OTEL collector processors for effective observability in K8s

Sanket Rajgiri

SRE @One2N

Spandan Ghosh

Content @One2N

Struggling to make sense of OpenTelemetry Collector processors for real-world projects? This blog breaks down what each OTEL processor actually does, where it matters, and shares real lessons from messy SRE problems like taming noisy data, surviving crashes, and staying under cost limits in Kubernetes.

How to read SRE graphs without lying to yourself

One2N

Team

Are your SRE charts messing with your head? We’ll show you step by step how to actually make sense of those dashboards: percentiles, averages, heatmaps, and all, so you spot real issues fast. No jargon, just practical advice from daily SRE work.

Error Budget Calculation: Downtime Minutes for every SLO

Srivatsa RV

SRE @One2N

Turn your SLO into something you can argue about in a meeting: this guide shows how to convert 99.9% into 43 real minutes of downtime, read burn rate, push back on “five nines,” and decide when to ship or hit pause.

Percentiles in SRE: Why averages lie about latency

Srivatsa RV

SRE @One2N

Spandan Ghosh

Content @One2N

See why SREs stop trusting average latency and switch to percentiles, with clear examples of p50, p95, p99, how they expose tail pain for real users, and how to pick the right percentiles for your system.

SRE math every engineer should know: a practical guide

Srivatsa RV

SRE @One2N

Curious how top engineers keep systems reliable? This guide breaks down the math behind Site Reliability Engineering into simple, real-life examples whether it’s understanding error budgets, decoding percentiles, or making sense of dashboards. Perfect if you want to stop firefighting and start making data-driven, confident decisions on call.

A pragmatic guide to get started with OpenTelemetry

Spandan Ghosh

Content @One2N

A guide explaining OTEL, monitoring vs. observability, telemetry’s pillars, OTEL instrumentation, and seamless backend migration. Includes practical migration strategies and trade-offs for SREs adopting OTEL.

DARE to question your alerts?

Saurabh Hirani

Principal SRE @One2N

Alert fatigue is real and it's hurting your on-call teams. This post breaks down how to make alerting systems smarter through regular alert analysis. Learn how to turn noisy alerts into actionable insights that drive real resilience.

Transforming alerting with GitOps - a journey in automating Elasticsearch alerts

Srivatsa RV

SRE @One2N

This blog tells you how to approach alerting from first principles while on the ELK Stack. We cover how to capture the right signals that a NOC team looks at, structure them as alert definitions and operationalize them relying on GitOps. This ensures teams can act on alerts confidently.

Setting up CloudWatch alerts for EKS clusters: insights and solutions

Mihir Bhagwat

SRE @One2N

Saurabh Hirani

Principal SRE @One2N

Spandan Ghosh

Content @One2N

Explore the process of setting up CloudWatch alerts for specific scenarios while managing a production AWS EKS instance, highlighting key insights and practical solutions.

Routing sensitive logs to Syslog server with Log4j2 appender

Hrithik Sawant

SDE

Routing sensitive logs to a Syslog server using Log4j2 appender: a simple, centralized configuration approach to securely manage high-volume application logs.

Horizontal Pod Autoscaling in Kubernetes based on external metrics, using Prometheus adapter

Akshay Srivastava

SRE @One2N

Learn how to leverage Kubernetes for efficient auto-scaling in micro-service architectures. This blog explores Horizontal Pod Autoscaling (HPA) using internal and external metrics, including the setup of Prometheus Adapter for monitoring external Redis servers.

Talks

Avoid overengineering & big ball of mud 7 lessons for maintaining the balance

Chinmay Naik

CEO @One2N

Seven lessons for staying between over-engineering and a big ball of mud, building software for today that can still scale for tomorrow.

FMEAs of the Distributed Systems before going live on Production

Jaideep Khandelwal

CTO @One2N

A talk by Jaideep Khandelwal about performing Failure Modes and Effects Analysis of Distributed Systems before deploying them on production.

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