The main characteristics of Anansi are:

• CPU cores can be used by up to 4 jobs

• GPU devices can be used by up to 4 jobs

• Maximum GPU devices per job is 1 (100% GPU fraction)

• Maximum job duration is 12 hours

In contrast to Hydra where computational resources are allocated exclusively to single jobs, the resources of Anansi can be shared between multiple jobs. This applies to CPU cores which are shared transparently, and to GPUs which can be requested in fractions of a full device. Other resources like system memory are not shared.

This approach is specially useful for light-weight (interactive) tasks such as testing/debugging that can involve frequent idle periods. Hence, even though the size of Anansi is smaller than Hydra, users should be able to quickly find an available slot to run their short jobs.

Moreover, the maximum time a job can run in Anansi is limited to 12 hours, which further increases the availability of its resources.