The article discusses the challenges of mixing synchronous and asynchronous code in Python and explores different solutions. It introduces asyncio and provides examples of how to use it to handle async tasks while still executing sync code. The article also introduces the concept of a ThreadRunner c.. read more  

An Amazon EKS cluster can manipulate the networking of other EC2 instances, even those in other VPCs, thanks to theAmazon VPC CNI plugin for Kubernetes. This allows an attacker with access to an EKS cluster to potentially exploit services in other VPCs... read more  

Time series is a critical part of Observability at Pinterest, powering 60,000 alerts and 5,000 dashboards. To adequately express what operations to perform on time series data in a readable and efficient manner, Pinterest developed a domain-specific language called TScript... read more  

Engineers who skip testing or rely on manual debugging are making a mistake that can lead to system issues and wasted time. A dedicated QA team to handle testing is not efficient, as it causes delays and dependence on others, while involving engineers in writing tests can lead to faster and more eff.. read more  

DNS, which has been used on the internet for over 35 years, can be challenging to troubleshoot despite not being overly complex. The difficulties arise from hidden aspects like the resolver's cache, different DNS library codes, and the lack of transparent conversations between resolvers and authorit.. read more  

Automating API delivery using CI/CD pipelines can cut down costs and double production, drawing parallels to automotive assembly lines. A recent report shows that over 51% of organizations devote more than half of their development efforts to APIs, making it essential to integrate them into CI/CD pi.. read more  

AWS Lambda can now detect and stop recursive loops in Lambda functions. Customers build event-driven applications using Lambda functions to process events from sources like Amazon SQS and Amazon SNS. However, in certain scenarios, due to resource misconfiguration or code defect, a processed event ma.. read more  

AWS has released an update to the documentation for the AWS Lambda function lifecycle, stating that when using unreserved on-demand concurrency, Lambda may proactively initialize function instances even before there is an invocation. This proactive initialization helps reduce the impact of cold star.. read more  

Microservices are an architecture that enables applications to scale and develop faster, while containers provide a way to package microservices into lightweight and standalone executable artifacts. By using trusted images, limiting the number of layers, making use of multi-stage builds, securing se.. read more  

The Fault Tolerance Analyser Tool is an open-source tool that identifies potential fault tolerance issues in AWS resources by generating a detailed report. It focuses on specific AWS services and runs within a single account, providing valuable insights on the resilience of workloads... read more