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Caching on AWS 101

Oftentimes, the idea of adding a caching layer arises when users start complaining about the performance of an application. Adding a cache to your architecture does not solve all problems ā€” especially when implementing that change under pressure to fix ...

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Have you replaced IAM Users with AWS SSO yet?

The most secure option to isolate workloads from each other is to use multiple AWS accounts. Many organizations use different AWS accounts for testing and production, for example. The more AWS accounts you use, the more complicated it gets to manage use...

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Amazon ECR vs. Docker Hub vs. GitHub Container Registry

Have you worked with a Linux package manager like apt or yum before? A container registry is similar, but instead of packages, it distributes container images. A container registry is a crucial aspect of a containerized workflow and infrastructure. This...

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I'm losing trust in AWS. SNS is broken for 65 days.

Iā€™m frustrated. A major service of AWS is broken for 65 days. The Simple Notification Service (SNS) delivers messages to HTTPS subscriptions with a delay of more than 30 minutes. That issue impacts our SaaS business. But AWS did not fix the problem yet....

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AWS needs a bug bounty program

A few weeks ago, while evaluating an AWS service, I stumbled upon an issue with the way the AWS API evaluates IAM policies for a particular IAM action. I contacted aws-security@amazon.com about that and was positively surprised about the professionalism...

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Record AWS API calls to improve IAM Policies

Have you ever looked at an IAM policy and wondered: Is it really necessary to grant access to this specific action? Or do you need to know which API calls a legacy or 3rd party application is actually sending to come up with a secure IAM policy? CloudTr...

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NoSQL on AWS: Document-Oriented Databases

A document-oriented database stores keys mapped to JSON documents. You can query all documents in such a document-oriented database and retrieve only parts of documents to save network bandwidth. This is a cross-post from the Cloudcraft blog. A data ...

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Review: AWS App Mesh ā€“ A service mesh for EC2, ECS, and EKS

It seems to me like everyone is talking about service meshes these days - definetly a hot topic in the world of containers and microservices. A service mesh promises reducing latency, increasing observability, and simplifying security within microservic...

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Workaround: CodePipeline for GitHub Enterprise

There is no question that AWS has a strong focus on customer obsession. However, sometimes it takes forever until popular feature requests get implemented. A good example: CodePipeline - the continuous delivery service - does support all kinds of source...

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(Erratum) VPC Endpoint increases DynamoDB latency by 30%

Our reader Tom wrote in to tell me, that the latency for read requests to DynamoDB increased significantly after enabling a VPC endpoint a few weeks ago. Someone else reported a similar problem in the AWS discussion forums as well. Therefore, I started ...

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