This topic provides answers to the frequently asked questions (FAQ) about Cloud Parallel File System (CPFS) for Lingjun. This help you quickly learn about CPFS for Lingjun.
What are the applicable scenarios of CPFS for Lingjun?
CPFS for Lingjun is an ultra-high-performance file storage service that supports end-to-end remote direct memory access (RDMA) networks. CPFS is suitable for scenarios that require intelligent computing, such as AI-generated content (AIGC) and autonomous driving.
What are the benefits of CPFS for Lingjun?
CPFS for Lingjun provides stable performance. CPFS for Lingjun file systems support a maximum throughput of 2 TB/s. A single file system can support a maximum of 30,000,000 IOPS.
What is the performance of CPFS for Lingjun?
CPFS for Lingjun provides a bandwidth of hundreds of Gbit/s, millions of IOPS, and sub-millisecond latency. The bandwidth and IOPS vary with the specification of the CPFS for Lingjun file system that you purchase.
How do I modify the performance of a CPFS for Lingjun file system?
After you create a CPFS for Lingjun file system, you cannot change the capacity or performance of the CPFS for Lingjun file system. However, you can upgrade the specification of the file system. If you select a higher specification, the performance of the file system is improved.
How do I activate CPFS and create a CPFS for Lingjun file system?
After you log on to the Alibaba Cloud Management Console and activate File Storage NAS (NAS), submit a ticket to apply for the qualification to use CFPS for Lingjun. Then, you can log on to the NAS console to activate CPFS. When you use CPFS for the first time, you must authorize CPFS to access other services. Then, you can create a CPFS for Lingjun file system. After the file system is created, you are charged for using the file system. You can also mount the file system in Platform for AI (PAI) computing resources. The method used to mount a CPFS for Lingjun file system varies with the type of PAI computing resources. Mount the file system based on the type of your PAI computing resources. For more information, see Create a file system.
How do I monitor a CPFS for Lingjun file system?
You can monitor the status of a CPFS for Lingjun file system on the Performance Monitoring page of the NAS console or on the Performance Monitoring tab of the details page of the CPFS for Lingjun file system. The following metrics are provided: IOPS, throughput, latency, and metadata queries per second (QPS).
How is the data reliability of CPFS?
CPFS provides a multi-replica redundancy mechanism to ensure 99.9999999% data durability.
How am I charged for CPFS for Lingjun?
You are charged for CPFS for Lingjun file systems based on the storage type, purchased capacity, and storage duration. For more information, see Billing of CPFS for Lingjun.
What is the service availability of CPFS?
As stated in the service level agreement (SLA) of CPFS, the service availability of CPFS is at least 99.5%.
What protocols does CPFS for Lingjun support?
CPFS for Lingjun supports only the Portable Operating System Interface (POSIX) protocol.