Storage capacity
Storage capacity is the amount of persistent data a storage resource can hold or has available for use.
MongoDB 8.0 in Action, Third Edition
Disk space, or storage capacity, is the amount of persistent storage available or provisioned for database data and related processing requirements.
- How it is used
- Configures persistent capacity for Atlas database workloads while balancing scaling behavior, performance, cost, and operational headroom.
- How deep it goes
- Explains tier-specific storage classes, provider-specific autoscaling, thresholds, delays, and scale-down limits without detailing administrative commands.
- Examples
- Uses M40+ storage classes, 90% disk usage, provider-specific growth targets, and bulk-insert preparation as concrete cases.
- What you can do after
- Operate/configure it through Atlas tier and storage settings, and plan capacity before workloads that can outpace automatic scaling.
Read how MongoDB 8.0 in Action, Third Edition explains storage capacity →
ScyllaDB in Action
Disk space is the persistent storage capacity available for database data and related files.
- How it is used
- Guides production cluster sizing by translating stored data, replication, growth, and compaction overhead into disk requirements.
- How deep it goes
- Provides a sizing formula and storage-medium guidance, but defers exact capacity to workload testing.
- Examples
- Uses a one-terabyte application with replication factor three to derive six terabytes of cluster disk capacity.
- What you can do after
- Operate/configure a baseline disk allocation for a ScyllaDB cluster and refine it through production-level workload testing.
Related concepts
- replication factorconfigured by · A replication factor is the configured number of copies maintained for each replicated data item or resource.
- space complexitymeasured by · Space complexity measures how the memory or storage required by an algorithm grows as a function of input size.
- bytesmeasured by · Bytes are an ordered sequence of values, each conventionally eight bits, used to represent binary data.
- EBS snapshotused by · An EBS snapshot is a point-in-time, block-level incremental backup of an EBS volume stored by Amazon EBS.
- storage autoscalingused by · Storage autoscaling is the automatic increase of a database deployment's persistent storage capacity in response to storage utilization.
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