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prefect.server.services.scheduler

The Scheduler service.

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Classes

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TryAgain

Internal control-flow exception used to retry the Scheduler’s main loop

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Scheduler

Schedules flow runs from deployments.

Methods:

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service_settings

service_settings(cls) -> ServicesBaseSetting

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RecentDeploymentsScheduler

Schedules deployments that were updated very recently

This scheduler can run on a tight loop and ensure that runs from newly-created or updated deployments are rapidly scheduled without having to wait for the “main” scheduler to complete its loop.

Note that scheduling is idempotent, so its ok for this scheduler to attempt to schedule the same deployments as the main scheduler. It’s purpose is to accelerate scheduling for any deployments that users are interacting with.

Methods:

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service_settings

service_settings(cls) -> ServicesBaseSetting