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Motivation¶

As part of #133511 systemd-based resource limits on memory usage were introduced. Although it's not unusual to see brief spikes in the load on a worker, sometimes one job may take up significantly more CPU which compromises other jobs. Generally we activate worker instances based on total resource. Perhaps we can implement quotas for available processing power?

Suggestions¶

• Lookup documented options related to CPU accounting and quota in systemd e.g. CPUQuota, CPUWeight, CPU Accounting and possibly others.
• Draft pull request or doc change or whatever with some example implementation on one of our workers to demonstrate the concept