Key Pricing Components: Storage Costs: Standard Storage: ~$0.30 per GB per month. Infrequent Access (IA) Storage: ~$0.025 per GB per month. Data Transfer Costs: Data Transfer Between EC2 and EFS: Data transfer between EC2 instances and EFS is free within the same Availability Zone. Data Transfer Between AZs: If you use multi-AZ deployment for EFS,…
Category: aws
EBS Volume Type comparison
Provisioned IOPS (PIOPS) Volume Type Supports Provisioned IOPS? Max IOPS Best For io1 ✅ Yes 64,000 High-performance databases (MySQL, Oracle, PostgreSQL) io2 ✅ Yes 256,000 Mission-critical applications (SAP HANA, high-throughput databases) gp3 ✅ Yes (Customizable IOPS) 16,000 Cost-effective high-performance workloads gp2 ❌ No (Burstable only) 16,000 (burst) General workloads (web servers, dev/test) st1/sc1 ❌ No…
FSR and Multi-Attach
Amazon EBS Fast Snapshot Restore (FSR) Fast Snapshot Restore (FSR) allows you to create low-latency and instant-ready Amazon EBS volumes from snapshots, avoiding the usual initialization delay. Normally, when you restore an EBS volume from a snapshot, it experiences lazy loading, which can cause high latency for the first read operations. FSR eliminates this issue….
Reserved Instances
AWS Reserved Instances (RIs) come in two primary types: Standard Reserved Instances and Convertible Reserved Instances. Both offer significant cost savings compared to On-Demand pricing in exchange for committing to a 1- or 3-year term, but they differ in terms of flexibility, usage, and savings. 1. Standard Reserved Instances (RIs) Key Characteristics: Use Case: Pros:…
Spot instances requests
When using AWS Spot Instances, you have the option to choose between two types of request behaviors: These two types of requests determine how AWS manages your Spot Instance lifecycle and how they handle interruptions. Let’s look at the differences: 1. One-Time Spot Instance Requests: Description: Key Features: Use Cases: 2. Persistent Spot Instance Requests:…
Saving plans
AWS Savings Plans are a flexible pricing model offered by Amazon Web Services that provide significant cost savings compared to on-demand pricing. Essentially, by committing to a consistent amount of usage for one or three years, you can save up to 72% on certain AWS services. There are two main types of Savings Plans: Key…
Networking
AWS provides different types of network interfaces to optimize networking performance based on use cases. The three main network interfaces are Elastic Network Interface (ENI), Elastic Network Adapter (ENA), and Elastic Fabric Adapter (EFA). Here’s a comparison: Feature ENI (Elastic Network Interface) ENA (Elastic Network Adapter) EFA (Elastic Fabric Adapter) Purpose General-purpose networking High-performance networking…
Architecture
Notes for AWS Organizations
Policy Boundary vs SCP Feature IAM Policy Boundary Service Control Policies (SCPs) Scope Applied to individual IAM users/roles Applied to all IAM users/roles within an AWS account or organization Function Defines maximum allowable permissions for a user or role Restricts permissions for all IAM users/roles in an account or organizational unit Granularity Granular, tied to…