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2e1974a574
* client: refactor cpuset partitioning This PR updates the way Nomad client manages the split between tasks that make use of resources.cpus vs. resources.cores. Previously, each task was explicitly assigned which CPU cores they were able to run on. Every time a task was started or destroyed, all other tasks' cpusets would need to be updated. This was inefficient and would crush the Linux kernel when a client would try to run ~400 or so tasks. Now, we make use of cgroup heirarchy and cpuset inheritence to efficiently manage cpusets. * cr: tweaks for feedback
22 lines
588 B
Go
22 lines
588 B
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package proclib
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import (
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"github.com/hashicorp/go-hclog"
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"github.com/hashicorp/nomad/client/lib/idset"
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"github.com/hashicorp/nomad/client/lib/numalib/hw"
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)
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// Configs is used to pass along values from client configuration that are
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// build-tag specific. These are not the final representative values, just what
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// was set in agent configuration.
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type Configs struct {
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Logger hclog.Logger
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// UsableCores is the actual set of cpu cores Nomad is able and
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// allowed to use.
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UsableCores *idset.Set[hw.CoreID]
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}
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