AWS Compute Blog

Category: Amazon EC2

Automating Security Group Updates with AWS Lambda

Customers often use public endpoints to perform cross-region replication or other application layer communication to remote regions. But a common problem is how do you protect these endpoints? It can be tempting to open up the security groups to the world due to the complexity of keeping security groups in sync across regions with a […]

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Automating Amazon EBS Snapshot Management with AWS Step Functions and Amazon CloudWatch Events

Brittany Doncaster, Solutions Architect Business continuity is important for building mission-critical workloads on AWS. As an AWS customer, you might define recovery point objectives (RPO) and recovery time objectives (RTO) for different tier applications in your business. After the RPO and RTO requirements are defined, it is up to your architects to determine how to […]

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Disabling Intel Hyper-Threading Technology on Amazon EC2 Windows Instances

NOTE: In May of 2018, AWS announced Optimize CPUs for Amazon EC2 Instances. This feature allows customers to disable Hyper-Threading for workloads that perform well with single-threaded CPUs, like certain high-performance computing (HPC) applications. You can read more in the EC2 User Guide. In a prior post, Disabling Intel Hyper-Threading on Amazon Linux, I investigated how […]

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Building Loosely Coupled, Scalable, C# Applications with Amazon SQS and Amazon SNS

  Stephen Liedig, Solutions Architect   One of the many challenges professional software architects and developers face is how to make cloud-native applications scalable, fault-tolerant, and highly available. Fundamental to your project success is understanding the importance of making systems highly cohesive and loosely coupled. That means considering the multi-dimensional facets of system coupling to […]

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Using Amazon SQS Dead-Letter Queues to Control Message Failure

Michael G. Khmelnitsky, Senior Programmer Writer   Sometimes, messages can’t be processed because of a variety of possible issues, such as erroneous conditions within the producer or consumer application. For example, if a user places an order within a certain number of minutes of creating an account, the producer might pass a message with an […]

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Building High-Throughput Genomics Batch Workflows on AWS: Workflow Layer (Part 4 of 4)

Aaron Friedman is a Healthcare and Life Sciences Partner Solutions Architect at AWS Angel Pizarro is a Scientific Computing Technical Business Development Manager at AWS This post is the fourth in a series on how to build a genomics workflow on AWS. In Part 1, we introduced a general architecture, shown below, and highlighted the […]

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Building Scalable Applications and Microservices: Adding Messaging to Your Toolbox

Jakub Wojciak, Senior Software Development Engineer Throughout our careers, we developers keep adding new tools to our development toolboxes. These range from the programming languages we learn, use, and become experts in, to architectural components such as HTTP servers, load balancers, and databases (both relational and NoSQL). I’d like to kick off a series of […]

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Disabling Intel Hyper-Threading Technology on Amazon Linux

Brian Beach, Solutions Architect Customers running high performance computing (HPC) workloads on Amazon Linux occasionally ask to disable the Intel Hyper-Threading Technology (HT Technology) that is enabled by default. In the pre-cloud world, this was usually performed by modifying the BIOS. That turned off HT Technology for all users, regardless of any possible benefits obtainable, […]

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Automating the Creation of Consistent Amazon EBS Snapshots with Amazon EC2 Systems Manager (Part 2)

Nicolas Malaval, AWS Professional Consultant In my previous blog post, I discussed the challenge of creating Amazon EBS snapshots when you cannot turn off the instance during backup because this might exclude any data that has been cached by any applications or the operating system. I showed how you can use EC2 Systems Manager to […]

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Automating the Creation of Consistent Amazon EBS Snapshots with Amazon EC2 Systems Manager (Part 1)

Nicolas Malaval, AWS Professional Consultant If an EC2 instance is up and running, there may be applications working, like databases, with data in memory or pending I/O operations that cannot be retrieved from an Amazon EBS snapshot. If your application is unable to recover from such a state, you might lose vital data for your […]

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