TLDR DevOps 2024-05-15

Flux 2.3 πŸ†•, Economics of Pod Autoscaling πŸ“ˆ, Guide to Better Incident Status Pages 🟒

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News & Trends

Flux 2.3 GA Release (6 minute read)

Flux v2.3.0 introduces general availability for Helm features and APIs, including enhanced support for OCI repositories. Significant improvements in memory consumption and performance, alongside new automation enhancements like Notation signature verification, mark this release as a robust upgrade for Kubernetes and OpenShift users.

Amazon S3 will no longer charge for several HTTP error codes (1 minute read)

Amazon S3 is implementing a new billing change that will no longer charge customers for unauthorized requests that return an HTTP 403 error response, among other specific errors.
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Opinions & Tutorials

HBase Deprecation at Pinterest (6 minute read)

Pinterest transitioned from using multiple HBase-backed storage services to a new architecture featuring a unified storage service and a new datastore. HBase has been foundational in Pinterest's infrastructure since 2013, supporting various critical services. However, it became outdated and complex, leading to high maintenance costs, missing functionalities, and excessive infrastructure costs.

How To Manage an Amazon Bedrock Agent Using Terraform (11 minute read)

This multi-part tutorial demonstrates how to build a basic forex rate assistant using agents on Amazon Bedrock and automate deployment with Terraform, leveraging new features in the Terraform AWS Provider.

Running Vault on Nomad, Part 3 (9 minute read)

Discover the benefits of running Vault on Nomad, and learn how to automate the unsealing and snapshotting of HashiCorp Vault using HashiCorp Nomad and Vault Unsealer.
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Miscellaneous

The surprising economics of Horizontal Pod Autoscaling tuning in GKE (3 minute read)

This post discusses optimization strategies for the Kubernetes Horizontal Pod Autoscaler (HPA) on Google Kubernetes Engine (GKE), highlighting the nuanced impact of CPU utilization targets and Pod resource requests on cost and performance. It emphasizes experimenting with higher CPU targets like 70% or 80% for reduced costs and acceptable burst handling, along with considering scale-up and scale-down behaviors and scaling based on external or custom metrics for granular control over HPA's decisions.

Sumo Logic Unveils New Innovations to Align and Fuel DevSecOps (3 minute read)

Sumo Logic launched new AI and security analytics tools at RSA Conference 2024, facilitating rapid data insights and enhanced DevSecOps through free data ingest licensing. Their innovations include MITRE ATT&CK Threat Coverage Explorer, Copilot for AI-assisted log analytics, and expanded cloud infrastructure security data.
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Quick Links

Benchmarking Quickwit vs. Loki (8 minute read)

This benchmarking study compares two log search engines, Quickwit and Loki, in various aspects such as ingestion time, query performance, and CPU utilization.

A guide to better incident status pages (4 minute read)

This post emphasizes the critical role of status pages in brand perception and incident communication.

Code signing with HashiCorp Vault and GitHub Actions (5 minute read)

Explore how to use HashiCorp Vault as a trusted certificate authority (CA) to issue short-lived code signing certificates within a GitHub Actions workflow.
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