Volume Sets
Overview
Volume sets are in beta! Some features are not yet available.
For a list of planned features, see the planned features section.
A volume set is a collection of storage volumes. Each volume set can be used by at most one stateful workload. Volumes are not deleted until the volume set is deleted.
File Systems
Each volume set has a single, immutable file system.
Currently supported file systems are:
- ext4
- xfs
Performance Classes
Each volume set has a single, immutable, performance class.
The performance class determines:
- How many Megabytes per second can be transferred to and from the volume (MB/second)
- How many I/O operations can be processed per second. (IOPS)
- Read/write latency
Volume performance varies widely by cloud service provider.
General Purpose SSD
Name: general-purpose-ssd
Minimum Capacity: 10Gb
Maximum Capacity: 16384Gb
| Service Provider | Max Throughput | Max IOPS |
|---|---|---|
| AWS | 750 MB/s | 3000 |
| GCP | 1200 MB/s | 800002 |
| Azure | 750 MB/s | 6000 |
Premium SSD
Name: premium-low-latency-ssd
Minimum Capacity: 10Gb
Maximum Capacity: 16384Gb
| Service Provider | Max Throughput | Max IOPS 1 |
|---|---|---|
| AWS | 1000 MB/s | 5/GB |
| GCP | 1200 MB/s | 1000002 |
| Azure | 900 MB/s | 20000 |
BYOK Support
Volume sets are supported in BYOK locations as long as the following prerequisites are met:
The cluster must have a CSI-compatible storage driver installed.
You must create storage classes which use the CSI-compatible provisioner, with the following names:
general-purpose-ssd-ext4general-purpose-ssd-xfspremium-low-latency-ssd-ext4premium-low-latency-ssd-xfs
Planned Features
- Automatic volume expansion.
- Volume snapshotting (both on-demand and automatic).
- Volume restoration (to a snapshot).