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Bitbucket Pipeline Autoscaler & Storage

Curtis
August 3, 2026

I am trying to setup the Pipeline Autoscaler in GCP GKE Autopilot. I am trying to set the ephermeral-storage value as shown in this Knowledge Base article.

 

Using the ephemeral-storage value as it is shown give me an error that the configuration does not meet the regular expression for the value and the runners never start up.

What is the proper way to configure the storage sizes for running the Autoscaler in GCP GKE Autopilot?

Thanks.

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Curtis
August 26, 2026

The issue was that 10GB of storage was shared across the stack so I was going over the limit with the configuration.

We solved this by setting up a ephemeral volume with enough storage for the desired pipeline and that allowed the pipeline to run through the build process.

This Stack Overflow post helped up get it configured.

https://stackoverflow.com/questions/78306147/gke-kubernetes-job-unable-to-use-ephemeral-volume-in-autopilot-cluster

Arkadiusz Wroblewski
Community Champion
August 26, 2026

Super you can solve this :=)

0 votes
Arkadiusz Wroblewski
Community Champion
August 26, 2026

Hello and Welcome to Atlassian Community @Curtis 

Please first provide us a screenshot of this Failure.

Best,

Arek🤠

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