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Case Studies

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Migrating from AWS Glue to Self-Hosted ClickHouse: 70% Cost Reduction for a Fintech Client.
How One2N cut a fintech client's analytics spend from $13K to $4K/month by replacing AWS Glue, DMS, and Athena with a self-hosted ClickHouse stack.

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Journey of moving VM-based workloads to Kubernetes.
How Flip, a fintech in Indonesia, migrated VM-based workloads to Alibaba Cloud's managed Kubernetes (ACK) for autoscaling and reduced operational toil.

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AutoScaling eKYC Machine Learning workloads to 2 Million req/day.
How One2N autoscaled eKYC ML workloads to 2 million requests per day with 90% cost savings, 99% availability, and sub-3-second P95 API latency.

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Pull Request Based Ephemeral Preview Environments on Kubernetes.
How One2N helped Manatal migrate from Heroku to Kubernetes and set up PR-based ephemeral preview environments for frontend and backend services.

Blogs

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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.

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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.

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Karpenter vs Cluster Autoscaler: a comprehensive guide to Kubernetes Node Scaling

Rahul H Bhatia

SRE

Learn what the key differences are between Karpenter and Cluster Autoscaler for Kubernetes node scaling, how each tool handles dynamic workloads, node provisioning, and cost optimization, to choose the best solution for your cloud-native environment.

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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

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ABC of LLMOps - What does it take to run self-hosted LLMs｜Rootconf mini 2024

Jaideep Khandelwal

CTO @One2N

Lessons from deploying open-source models on Kubernetes GPUs, managing vector DBs & building RAG apps

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A beginners guide to understand Kubernetes using Restaurant Analogy | DevOpsDays Kerala 2024

Chinmay Naik

CEO @One2N

Kubernetes is 10+ years old but still hard to learn. This talk uses a restaurant analogy to make K8s approachable and drive better adoption.

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Introducing Cloudlens - Cloud Console in your terminal

Chinmay Naik

CEO @One2N

How One2N built a real-world Go pipeline to stream gigabytes of data from MongoDB to PostgreSQL, using Go's concurrency features at scale.

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