CPFS for Lingjun is Alibaba Cloud's high-performance parallel file system built for AI workloads. It delivers up to 2 TB/s throughput and sub-millisecond latency through RDMA networking and tiered caching.
This product is currently in Invitational Preview.
Why CPFS for Lingjun
AI workloads like large model training, AIGC, and autonomous driving demand extreme I/O performance. CPFS for Lingjun meets these requirements:
| Capability | Specification |
|---|---|
| Throughput | Up to 2 TB/s (single file system) |
| IOPS | Up to 30 million |
| Latency | Sub-millisecond, consistent |
| File capacity | Up to 10 billion files |
| Metadata OPS | Over 100,000 per second |
| OSS integration | Up to 100 GB/s when combined with OSS |
Cost optimization: Tiered data flow with OSS reduces storage costs.
Data protection: Supports log audit and Cloud Backup.
For detailed specifications, see Product specifications.
CPFS for Lingjun vs. General-Purpose edition
| Item | CPFS for Lingjun | General-Purpose edition |
|---|---|---|
| Max throughput | 2 TB/s | 100 GB/s |
| Max IOPS | 30 million | 10 million |
| Mount targets | PAI, ACS | PAI, ACS, ECS |
| Protocols | POSIX | POSIX, NFS v3 |
For a complete comparison, see CPFS product introduction.
Supported compute resources
CPFS for Lingjun works with:
PAI Lingjun resources
PAI general computing resources
PAI Lingjun resources (single-tenant edition)
Container Compute Service (ACS)
ECS instances created in the ECS console cannot mount CPFS for Lingjun.
For other limits, see Limits.
Available regions
China (Hangzhou), China (Shanghai), China (Shenzhen), China (Guangzhou), China (Beijing), China (Ulanqab), China (Hong Kong), Singapore, Germany (Frankfurt), Thailand (Bangkok), Malaysia (Kuala Lumpur), Dubai
Billing
No charges until you create a file system.
To stop billing, release the file system. Data is permanently deleted.
See Billing overview for details.
Next steps
| Task | Link |
|---|---|
| View specifications | Product specifications |
| Check limits | Limits |
| Create a file system | Create a file system |
| Mount from PAI | Mount in PAI |
| Mount from ACS | Mount in ACS |