James Rasell e25c8a6aa7 rpc: set the deregistration eval priority to the job priority.
Previously when creating an eval for job deregistration, the eval
priority was set to the default value irregardless of the job
priority. In situations where an operator would want to deregister
a high priority job so they could re-register; the evaluation may
get blocked for some time on a busy cluster because of the
deregsiter priority.

If a job had a lower than default priority and was deregistered,
the deregister eval would get a priority higher than that of the
job. If we attempted to register another job with a higher
priority than this, but still below the default, the deregister
would be actioned before the register.

Both situations described above seem incorrect and unexpected from
a user prespective.

This fix modifies to behaviour to set the deregister eval priority
to that of the job, if available. Otherwise the default value is
still used.
2021-11-02 09:11:44 +01:00
2021-10-04 13:50:42 -04:00
2018-03-11 18:40:53 +00:00
2021-10-01 10:14:28 -04:00
2021-10-01 09:41:25 -04:00
2021-09-01 15:15:06 -04:00
2021-04-06 09:42:44 -06:00
2018-02-14 14:47:43 -08:00
2021-04-27 15:07:03 -07:00
2021-10-01 10:14:28 -04:00
2021-10-14 13:06:04 -04:00
2015-06-01 12:21:00 +02:00
2015-06-01 13:46:21 +02:00

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Nomad is a simple and flexible workload orchestrator to deploy and manage containers (docker, podman), non-containerized applications (executable, Java), and virtual machines (qemu) across on-prem and clouds at scale.

Nomad is supported on Linux, Windows, and macOS. A commercial version of Nomad, Nomad Enterprise, is also available.

Nomad provides several key features:

  • Deploy Containers and Legacy Applications: Nomads flexibility as an orchestrator enables an organization to run containers, legacy, and batch applications together on the same infrastructure. Nomad brings core orchestration benefits to legacy applications without needing to containerize via pluggable task drivers.

  • Simple & Reliable: Nomad runs as a single binary and is entirely self contained - combining resource management and scheduling into a single system. Nomad does not require any external services for storage or coordination. Nomad automatically handles application, node, and driver failures. Nomad is distributed and resilient, using leader election and state replication to provide high availability in the event of failures.

  • Device Plugins & GPU Support: Nomad offers built-in support for GPU workloads such as machine learning (ML) and artificial intelligence (AI). Nomad uses device plugins to automatically detect and utilize resources from hardware devices such as GPU, FPGAs, and TPUs.

  • Federation for Multi-Region, Multi-Cloud: Nomad was designed to support infrastructure at a global scale. Nomad supports federation out-of-the-box and can deploy applications across multiple regions and clouds.

  • Proven Scalability: Nomad is optimistically concurrent, which increases throughput and reduces latency for workloads. Nomad has been proven to scale to clusters of 10K+ nodes in real-world production environments.

  • HashiCorp Ecosystem: Nomad integrates seamlessly with Terraform, Consul, Vault for provisioning, service discovery, and secrets management.

Quick Start

Testing

See Learn: Getting Started for instructions on setting up a local Nomad cluster for non-production use.

Optionally, find Terraform manifests for bringing up a development Nomad cluster on a public cloud in the terraform directory.

Production

See Learn: Nomad Reference Architecture for recommended practices and a reference architecture for production deployments.

Documentation

Full, comprehensive documentation is available on the Nomad website: https://www.nomadproject.io/docs

Guides are available on HashiCorp Learn.

Contributing

See the contributing directory for more developer documentation.

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