Release AWS ParallelCluster v2.5.0 · aws/aws-parallelcluster-cookbook

We're excited to announce the release of AWS ParallelCluster Cookbook 2.5.0.

This is associated with AWS ParallelCluster v2.5.0.

Install NICE DCV on Centos 7 (this includes Gnome and Xorg packages).
Install Intel Parallel Studio 2019.5 Runtime in Centos 7 AMI and share /opt/intel over NFS.
Add support for Ubuntu 18.

Remove support for Ubuntu 14.
Upgrade Intel MPI to version U5.
Upgrade EFA Installer to version 1.6.2, this also upgrades Open MPI to 4.0.2.
Upgrade NVIDIA driver to Tesla version 418.87.
Upgrade CUDA library to version 10.1.
Upgrade Slurm to version 19.05.3-2.
Slurm: changed following parameters in global configuration:
- SelectType=cons_tres, SelectTypeParameter=CR_CPU_Memory, GresTypes=gpu: needed to enable support for GPU scheduling.
- EnforcePartLimits=ALL: jobs which exceed a partition's size and/or time limits will be rejected at submission time.
- Removed FastSchedule since deprecated.
- SlurmdTimeout=180, UnkillableStepTimeout=180: to allow scheduler to recover especially when under heavy load.
Echo compute instance type and memory information in COMPUTE_READY message
Changes to sshd config:
- Disable X11Forwarding by default
- Limit SSH Ciphers to
  aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
- Limit SSH MACs to [email protected],[email protected],hmac-sha2-512,hmac-sha2-256
Increase default root volume to 25GB.
Enable flock user_xattr noatime Lustre options by default everywhere and
x-systemd.automount x-systemd.requires=lnet.service for systemd based systems.
Install EFA in China AMIs.

Provide feedback