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docs: add autoscaling also causes problems

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toast-gear
2022-03-30 10:26:08 +01:00
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@@ -452,7 +452,7 @@ Under the hood, `RunnerSet` relies on Kubernetes's `StatefulSet` and Mutating We
**Limitations** **Limitations**
* For autoscaling the `RunnerSet` kind only supports pull driven scaling or the `workflow_job` event for webhook driven scaling. * For autoscaling the `RunnerSet` kind only supports pull driven scaling or the `workflow_job` event for webhook driven scaling.
* Whilst RunnerSets support all runner modes as well as autoscaling, currently PVs are **NOT** automatically cleaned up as they are still bound to their respective PVCs when a runner is deleted by the controller. This has **major** implications when using RunnerSets in the standard runner mode, `ephemeral: true`, see [persistent runners](#persistent-runners) for more details. As a result of this, using the default configuration, you will get a build up of PVCs and PVs if you deploy RunnerSets as ephemeral runners without some sort of custom solution for cleaning up the PVCs. * Whilst RunnerSets support all runner modes as well as autoscaling, currently PVs are **NOT** automatically cleaned up as they are still bound to their respective PVCs when a runner is deleted by the controller. This has **major** implications when using RunnerSets in the standard runner mode, `ephemeral: true`, see [persistent runners](#persistent-runners) for more details. As a result of this, using the default configuration or implementing autoscaling, you will get a build up of PVCs and PVs if you deploy RunnerSets as ephemeral runners without some sort of custom solution for cleaning up the PVCs.
### Persistent Runners ### Persistent Runners