A story of a seek.com.au outage in May 2021 involving Transit Gateways, Peering connections, and lots of learnings about TCP, MTUs & MSS

Introduction

Automated deployments are the backbone of a strong DevOps environment. Without efficient, reliable, and repeatable software updates, engineers need to redirect their focus from developing new features to managing and debugging their deployments. Amazon first faced this challenge many years ago. When making the move to a service-oriented architecture, Amazon refactored its software into small independent services and restructured its organization into small autonomous teams. Each team took on full ownership of the development and operation of a single service, and they worked directly with their customers to improve it.

This post describes our migration journey of Spark from EMR on EC2 to EMR on EKS.

Alliterations aside, Git is full of mysteries. It doesn’t have to be like this ^. Whether you are a newbie taking…

I want to sort captured traffic on #packet sent through ports. How can I filter this in wireshark? Edit 1: I have captured traffic, I want to find most port sending packet from specific Address.

Wireshark represents the world’s most used protocol analyzer. By using it, you can check everything that’s going on within your network, troubleshoot different problems, analyze and filter your network traffic using various tools, etc. If you want to

Containers are a de facto standard in cloud application development and deployment. Publishing software in container images provides developers an integrated packaging solution, bundling software and all required dependencies into a portable image format. This image can then be run anywhere, abstracting away the infrastructure-specific aspects of deployment. However, the promise of running anywhere only […]

A workshop to build Cost Intelligence dashboards in Quicksight for common AWS services

AWS Cost Explorer helps you manage your AWS costs by giving you detailed insights into the line items in your bill. In Cost Explorer, you can visualize daily, monthly, and forecasted spend by combining an array of available filters. Filters allow you to narrow down costs according to AWS service type, linked accounts, and tags. […]

A common challenge architects face when designing a Kubernetes solution on AWS is how to grant containerized workload permissions to access an AWS service or resource. AWS Identity and Access Management (IAM) provides fine-grained access control where you can specify who can access which AWS service or resources, ensuring the principle of least privilege. The challenge […]

We announced a new Amazon Inspector last week at re:Invent 2021 with improved vulnerability management for cloud workloads. Amazon Inspector is a service used by organizations of all sizes to automate security assessment and management at scale. For Amazon Elastic Container Registry (Amazon ECR) private registry customers, this announcement brings updates, enhancements, and integrations to […]

I recently rewrote a service that was on AWS API Gateway and Lambda in Elixir and apparently that intrigued some people, so I decided to do…

AWS recently announced that their Elasticsearch Service now supports VPC. Learn how to access your secure clusters from your local development machine.

AWS App Runner, introduced in 2021, is a fully managed service for running web applications and API servers. App Runner greatly simplifies the experience to build and run secure web server applications with little to no infrastructure in your account. You provide the source code or a container image, and App Runner will build and […]

Guidelines for teams assembling common cloud components for other teams to build products upon.

September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Amazon OpenSearch Service (successor to Amazon Elasticsearch Service) recently launched support for remote reindexing. This feature adds the ability to copy data to an Amazon OpenSearch Service domain from self-managed Elasticsearch running on-premises, self-managed on Amazon Elastic Compute Cloud (Amazon […]

Learn how to move a snapshot to Amazon S3 and restore it in Amazon OpenSearch Service.

Haven’t updated my blog for quite a long time!I’m not just lazy. I’m super lazy. :-)from: https://www.teeturtle.com/products/super-lazyLinus Torvalds said “T...

Stack trace visualizer. Contribute to brendangregg/FlameGraph development by creating an account on GitHub.

This post will walk you through the performance tuning steps that I took to serve 1.2 million JSON 'API' requests per second from a 4 vCPU AWS EC2 instance.