Let’s be clear from the beginning, comparing those two can be seen like comparing apples to oranges. Even though both are Redis API compatible, they support different usage patterns. Amazon ElastiCache for Redis Amazon ElastiCache for Redis is a manged version of Redis – in-memory data store used mainly for caching. It can be placed …
Materials Solutions Architect Professional exam materials from 2019. Exam blueprint. AWS Well-Architected Framework. My Pluralsight video channel (you have to have PS account). Whitepapers Building a Scalable and Secure Multi-VPC AWS Network Infrastructure Amazon EC2 Reserved Instances and Other AWS Reservation Models AWS Best Practices for DDoS Resiliency Overview of Deployment Options on AWS Blue/Green Deployments on …
Materials Exam blueprint. AWS Certified Security – Specialty 2020 course on ACloudGuru. 10 tips to study for the AWS Certified Security – Specialty Certification Jayendra’s Blog. AWS Well-Architected Framework Security Pillar. Whitepapers AWS Key Management Service Best Practices Risk and Compliance AWS Best Practices for DDoS Resiliency Security at the Edge: Core Principles Security of AWS CloudHSM …
1. Adjust memory settings Lambda costs depends on memory and execution time (and number of requests). If you need to reduce execution time, you can try increasing memory (and by extension, CPU) to process it faster. However, when you increase memory for a function past a certain limit, it won’t improve the execution time as …
Materials Exam blueprint. AWS Certified DevOps Engineer Professional 2020 – Hands On! course on Udemy. AWS Certified DevOps Engineer – Professional course on Pluralsight. AWS free course: Exam Readiness: AWS Certified DevOps Engineer – Professional. Jayendra’s Blog. AWS Well-Architected Framework. Whitepapers Practicing Continuous Integration and Continuous Delivery on AWS Blue/Green Deployments on AWS Running Containerized Microservices on AWS …
1. Use fine-grained permissions for IAM execution role. An AWS Lambda function’s execution role grants permission to access AWS services and resources. You provide this role when you create a function, and Lambda assumes the role when your function is invoked. It defines what your function can do. Always allow only needed actions on required …
EDIT:Amazon CloudWatch Logs now supports two subscription filters per log group. Scenario CloudWatch Logs enables you to centralize the logs from all of your systems, applications, and AWS services that you use. You can search them for specific error codes or patterns, filter them based on specific fields. If you need more sophisticated solution you …
Monitoring – the bigger picture Before taking your application to production, it’s critical that you ensure your application is fully observable, both at a component level, as well as end to end. It is achieved through logging, gathering metrics at various granularity, tracing to understand system performance and end user experiences end-to-end. Good overview of …
Simple scenario It is common scenario when Lambda needs to write and read data from DynamoDB table. Simple use case for that could be serverless web application: In this example we do not need to worry about connectivity between services as traffic goes via the Internet and is allowed by default. We just need to …
Materials from my recent lecture at Cloudyna conference in Katowice. Applications frequently need to authenticate to an external service or API. This authentication might include credentials that talk to a database or an API key to issue a third-party request.Serverless apps are frequently stateless and require a different than traditional approach. Should we inject credentials …