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Announcing AWS ParallelCluster 3.7 with Login nodes and Ubuntu 22 support

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This article announces the general availability of AWS ParallelCluster 3.7, an open-source HPC cluster management tool with new features for improved resource management and scalability.

  • Support for Ubuntu 22 operating system
  • Login nodes decouple user access from cluster head-node, preventing resource depletion
  • New scaling model launches all EC2 instances for jobs together, eliminating idle instances
  • Amazon File Cache integration for high-speed file data processing
  • EC2 instance type priorities configurable via node weights in job queues

AWS ParallelCluster 3.7 enables R&D teams to operate elastic HPC clusters on AWS for scientific, engineering, and ML/AI workloads with improved resource efficiency and no additional charges.



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