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Unlocking AWS EC2 Storage: Instance Store vs. EBS – A Deep Dive into Performance, Persistence, and Modern Features
- Choosing the right storage on AWS between Instance Store and EBS is crucial for performance, durability, scalability, and cost optimization.
- Instance Store is fast but ephemeral, suitable for temporary high-speed needs with data loss tolerance during instance shutdown or failure.
- EBS provides persistent data storage with various performance tiers and options, offering flexibility and durability for diverse workloads.
- For EC2 instances, Instance Store acts like a fast but non-persistent workbench, while EBS functions as detachable, durable tool chests.
- Ideal use cases for Instance Store include caches, temporary content, replicated data, and load-balanced web servers for non-critical data.
- EBS, on the other hand, is optimal for databases, critical business apps, and workloads requiring persistent data with high availability and durability.
- EBS offers a range of volume types like gp3, io2 Block Express, st1, sc1, and standard, each tailored for specific workloads and cost-performance needs.
- Key features of EBS include snapshots for backups, encryption, flexibility in volume type and size adjustments, and Multi-Attach for shared storage with caution for file system compatibility.
- Best practices include utilizing gp3 volumes, monitoring EBS metrics, leveraging EBS-optimized instances, and enabling Fast Snapshot Restore for immediate performance.
- Understanding storage concepts in AWS, leveraging snapshots, DLM, modern features like Multi-Attach, and cost optimization strategies are essential for building robust and efficient applications.
- Readers are encouraged to experiment with different storage options, review existing setups for optimization, and share experiences to facilitate learning and knowledge sharing in the cloud.
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