Appendix
Terms
- Elastic Cloud Server (ECS): ECS provides secure, scalable, on-demand compute resources, enabling you to flexibly deploy applications and workloads.
- Elastic IP (EIP): EIP enables your cloud resources to communicate with the Internet using static public IP addresses and scalable bandwidth. You can easily bind an EIP to an ECS, BMS, virtual IP address, NAT gateway, or load balancer, enabling immediate Internet access.
- Scalable File Service (SFS) Turbo: SFS Turbo provides a fully hosted shared file storage, which is expandable to 320 TB. It is highly available and stable to support small files and applications requiring low latency and high IOPS.
- Slurm: Slurm is an open-source, highly scalable cluster management tool and job scheduling system for Linux clusters of various scales. It provides the following key features:
- Resource allocation
Slurm allocates exclusive or non-exclusive resources of a certain period for users to run jobs.
- Job management framework
Slurm provides a framework for starting, executing, and monitoring parallel jobs on the allocated resources.
- Queue
Slurm places jobs in a queue when the submitted jobs require more resources than available.
- Abundant job scheduling policies
Slurm provides advanced job scheduling policies, such as resource reservation, fair-share scheduling, and backfilling.
- Other tools
Slurm provides tools such as job information statistics and job status diagnosis.
- Resource allocation
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Gearbox: Gearbox is a Huawei's open-source resource collaboration system. It works with, Slurm, a scheduling platform, to coordinate on-premises and cloud resources. Gearbox offers lossless elastic scaling by:
- Supporting custom workload metrics
- Providing metric-based auto scale-out
- Detecting job status
- Releasing idle resources
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