_d
devops/ness
Blog
Reading ListAbout
Subscribe
Featured Article

Real-World RAG Incidents: Lessons from a Production Rollout

A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.

AILLMGPTPython
KU
Kiril urbonasDevOps Engineer and AI Enthusiast
|Mar 10, 2026
Real-World RAG Incidents: Lessons from a Production Rollout

Topics

Monitoring280Terraform207AWS166Kubernetes124Python111Security107CI/CD103LLM97Ansible95Linux95

Latest Articles

View All →
How We Stopped Terraform Drift from Surprising On-Call
••yesterday

How We Stopped Terraform Drift from Surprising On-Call

A real story of removing console-only changes, adding drift detection, and getting Terraform back in charge.

KU
Kiril urbonas·1 min read
Read article
Systemd Tricks We Use to Keep Services Boring
••2 days ago

Systemd Tricks We Use to Keep Services Boring

Concrete systemd unit patterns that reduced flakiness: restart policies, resource limits, and structured logs.

KU
Kiril urbonas·1 min read
Read article
Page 1 of 44
Previous
12...44
Next

DevOpsNess

Practical AI, DevOps, Cloud, and Linux guidance for engineering teams

Weekly deep dives, implementation patterns, and reliability-focused playbooks.

Join NewsletterBrowse Posts
_d
devops/ness

A practical blog covering AI, cloud, DevOps, and modern technology for engineering teams.

Explore

  • Latest Articles
  • Archive
  • Reading List

Resources

  • About
  • RSS Feed
  • Newsletter

Legal

A Pragmatic Multi-Region Strategy for Small Teams
••3 days ago

A Pragmatic Multi-Region Strategy for Small Teams

How a small team moved from single-region risk to a simple active/passive multi-region setup without doubling complexity.

KU
Kiril urbonas·2 min read
Read article
What We Learned Running Weekly Game Days on Our CI/CD Pipeline
••4 days ago

What We Learned Running Weekly Game Days on Our CI/CD Pipeline

Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.

KU
Kiril urbonas·2 min read
Read article
Ansible and Infrastructure as Code: Idempotency and Best Practices
••4 days ago

Ansible and Infrastructure as Code: Idempotency and Best Practices

Write Ansible playbooks that are idempotent, readable, and maintainable for config management.

KU
Kiril urbonas·1 min read
Read article
Real-World RAG Incidents: Lessons from a Production Rollout
••6 days ago

Real-World RAG Incidents: Lessons from a Production Rollout

A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.

KU
Kiril urbonas·2 min read
Read article
How We Stopped Terraform Drift from Surprising On-Call
••last week

How We Stopped Terraform Drift from Surprising On-Call

A real story of removing console-only changes, adding drift detection, and getting Terraform back in charge.

KU
Kiril urbonas·1 min read
Read article
Systemd Tricks We Use to Keep Services Boring
••last week

Systemd Tricks We Use to Keep Services Boring

Concrete systemd unit patterns that reduced flakiness: restart policies, resource limits, and structured logs.

KU
Kiril urbonas·1 min read
Read article
A Pragmatic Multi-Region Strategy for Small Teams
••last week

A Pragmatic Multi-Region Strategy for Small Teams

How a small team moved from single-region risk to a simple active/passive multi-region setup without doubling complexity.

KU
Kiril urbonas·2 min read
Read article
End-of-Week Engineering: Why Smart Tech Teams Don’t Ship Major Changes on Friday
••last week

End-of-Week Engineering: Why Smart Tech Teams Don’t Ship Major Changes on Friday

A practical risk-management framework for release timing, Friday deployment policies, progressive delivery, and how elite teams protect reliability and people.

KU
Kiril Urbonas·5 min read
Read article
Kubernetes Cost Optimization for Teams: FinOps Tactics That Actually Work
••last week

Kubernetes Cost Optimization for Teams: FinOps Tactics That Actually Work

Cut Kubernetes spend without hurting reliability using a practical FinOps playbook for rightsizing, autoscaling guardrails, showback, and weekly waste cleanup.

KU
Kiril Urbonas·5 min read
Read article
SRE Error Budgets in Practice: Shipping Fast Without Burning Reliability
••last week

SRE Error Budgets in Practice: Shipping Fast Without Burning Reliability

A practical way to define SLOs and error budgets, connect them to release decisions, and avoid reliability debates without data.

KU
Kiril Urbonas·2 min read
Read article
  • Privacy
  • Terms

© 2026 DevOpsNess. By Kiril Urbonas.

RSSPrivacyTerms