Block storage
Block storage is a storage model that provides persistent, independently addressable fixed-size blocks that systems attach, format, and manage as volumes.
Architecting an Apache Iceberg Lakehouse
Block storage provides persistent storage as independently addressable fixed-size blocks that operating systems or applications assemble into volumes and filesystems.
- How it is used
- Supports Iceberg lakehouses where high-performance access, legacy Hadoop compatibility, or private-cloud infrastructure outweighs operational simplicity.
- How deep it goes
- Explains block addressing, filesystem assembly, locality, replication, scaling, recovery, and deployment tradeoffs without specifying implementation procedures.
- Examples
- Uses HDFS, Hadoop environments, private-cloud installations, and a file distributed across multiple blocks as concrete examples.
- What you can do after
- Evaluate block-storage suitability for Iceberg deployments by comparing performance, scalability, recovery effort, security, and cost.
Read how Architecting an Apache Iceberg Lakehouse explains block storage →
Amazon Web Services in Action, Third Edition: An in-depth guide to AWS
Block storage is a storage model that presents persistent data capacity as fixed-size blocks addressed by a computing system.
- How it is used
- Supports legacy filesystems, relational databases, and EC2 operating-system volumes when migrating applications that cannot use object storage.
- How deep it goes
- Explains filesystem mediation, EBS attachment, instance-store loss, volume types, billing, resizing, and snapshots without detailing filesystem internals.
- Examples
- Uses legacy-application migration, database persistence, EBS attachment, CloudFormation resources, instance-store caching, and incremental snapshots.
- What you can do after
- Configure EBS volumes with CloudFormation and select persistent or temporary storage for an EC2 workload.
Related concepts
- object storecontrasts with · An object store is a storage system that stores and retrieves data as independently addressable objects containing content and associated metadata.
- Amazon Elastic Compute Cloudused by · Amazon Elastic Compute Cloud (EC2) is an Amazon Web Services service that provides resizable virtual computing capacity through configurable virtual machine instances.
- instance store volumeincludes · An instance store volume is an ephemeral block storage volume provided by an EC2 instance store.
- Hadoop Distributed File Systempart of · The Hadoop Distributed File System is a distributed file system designed to store large datasets across clusters of commodity computers.
- Apache Icebergused by · Apache Iceberg is an open table format for managing large analytical datasets with metadata, schema evolution, snapshots, and transactional operations across distributed or object storage.
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