Issue Type: Bug Bug
Assignee: Oleg Nenashev
Components: throttle-concurrent-builds-plugin
Created: 27/Mar/15 1:44 PM
Description:

When there are hundreds of throttled builds in the queue, page loads increase by an order of magnitude.

Steps to reproduce:

  1. Run Jenkins 1.580.2 and latest throttle-concurrent-builds plugin
  2. Create a matrix job with 200 combinations (attached)
  3. In the same job, select "Throttle Concurrent Builds" with a maximum of 7 builds throttled as part of a category called 'semaphore'
  4. Set number of executors on the 'master' queue to 200
  5. Run the job. There should only be 7 builds running due to the throttling

Page load times will increase by an order of magnitude – I observed 10 seconds from {time curl http://localhost:8080/jenkins/ajaxBuildQueue}

If you remove the throttling in the job configuration, the page load times will be under 50 ms.

Environment: Jenkins 1.580.2
Project: Jenkins
Labels: performance
Priority: Critical Critical
Reporter: recampbell
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