Issue

• After upgrading BlueOcean you see a major CPU increase in your controllers, leading to an unresponsive UI and slow job execution.

Environment

• CloudBees CI (CloudBees Core)
• CloudBees CI (CloudBees Core) on Modern Cloud Platforms - Managed controller
• CloudBees CI (CloudBees Core) on Modern Cloud Platforms - Operations Center
• CloudBees CI (CloudBees Core) on Traditional Platforms - Client controller
• CloudBees CI (CloudBees Core) on Traditional Platforms - Operations Center
• CloudBees Jenkins Platform - Client controller
• CloudBees Jenkins Platform - Operations Center
• CloudBees Jenkins Distribution
• Jenkins LTS
• BlueOcean Executor Info Plugin

Related Issue(s)

• JENKINS-56773

Explanation

According to JENKINS-56773, a previous change on the plugin caused it to perform a series of API calls to the /computers endpoint that cause a CPU overhead and generate performance issues.

Resolution

The BlueOcean Executor Info Plugin should be disabled and uninstalled.

Tested Version

• Jenkins LTS 2.249.2
• BlueOcean Executor Info Plugin 1.24.2