AWS ParallelCluster v3.5.0

We're excited to announce the release of AWS ParallelCluster Node 3.5.0

This is associated with AWS ParallelCluster v3.5.0

ENHANCEMENTS

• Add logging of compute node console output to CloudWatch from head node on compute node bootstrap failure.
• Add validators to prevent malicious string injection while calling the subprocess module.

BUG FIXES

• Fix an issue in clustermgtd that caused compute nodes rebooted via Slurm to be replaced if the EC2 instance status checks fail.

AWS ParallelCluster v3.4.1

We're excited to announce the release of AWS ParallelCluster Node 3.4.1

This is associated with AWS ParallelCluster v3.4.1

CHANGES

• There were no changes for this version.

AWS ParallelCluster v3.4.0

We're excited to announce the release of AWS ParallelCluster Node 3.4.0

This is associated with AWS ParallelCluster v3.4.0

ENHANCEMENTS

• Add support for launching nodes across multiple availability zones to increase capacity availability.

CHANGES

• Do not consider dynamic nodes in IDLE+CLOUD+COMPLETING+POWER_DOWN+NOT_RESPONDING as unhealthy anymore.
  • The root cause has been fixed in Slurm 22.05.6.

AWS ParallelCluster v3.3.1

We're excited to announce the release of AWS ParallelCluster Node 3.3.1

This is associated with AWS ParallelCluster v3.3.1

CHANGES

• There were no changes for this version.

AWS ParallelCluster v2.11.9

We're excited to announce the release of AWS ParallelCluster Node 2.11.9

This is associated with AWS ParallelCluster v2.11.9

CHANGES

• There were no notable changes for this version.

AWS ParallelCluster v3.1.5

We're excited to announce the release of AWS ParallelCluster Node 3.1.5

This is associated with AWS ParallelCluster v3.1.5

• There were no changes for this version.

AWS ParallelCluster v2.11.8

We're excited to announce the release of AWS ParallelCluster Node 2.11.8

This is associated with AWS ParallelCluster v2.11.8

CHANGES

• There were no notable changes for this version.

AWS ParallelCluster v3.3.0

We're excited to announce the release of AWS ParallelCluster Node 3.3.0

This is associated with AWS ParallelCluster v3.3.0

ENHANCEMENTS

• Add support for EC2 Fleet as an alternative instance provisioning mechanism that allows greater flexibility in terms of instance diversification and launch strategy.

CHANGES

• Do not replace DRAIN nodes when nodes are in COMPLETING state as Epilog may be still running.
• Consider all dynamic nodes in IDLE+CLOUD+COMPLETING+POWER_DOWN+NOT_RESPONDING as unhealthy.

AWS ParallelCluster v3.2.1

We're excited to announce the release of AWS ParallelCluster Node 3.2.1

This is associated with AWS ParallelCluster v3.2.1

CHANGES

• There were no changes for this version.

AWS ParallelCluster v3.2.0

We're excited to announce the release of AWS ParallelCluster Node 3.2.0

This is associated with AWS ParallelCluster v3.2.0

ENHANCEMENTS

• Temporarily disable compute resource when a node launch fails due to insufficient capacity.
• Add support for rebooting compute nodes via Slurm.

CHANGES

• Drop support for python 3.6.
• Do not replace dynamic node in POWER_DOWN as jobs may be still running.
• Manage static nodes in POWERING_DOWN.
• Automatic disabling of the compute fleet when the configuration parameter Scheduling/SlurmQueues/ComputeResources/SpotPrice
  is lower than the minimum required Spot request fulfillment price.

BUG FIXES

• Handle corner case in the scaling logic when instance is just launched and the describe instances API doesn't report yet all the EC2 info.
• Fix file handle leak in computemgtd.