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  1. Jenkins
  2. JENKINS-48911

Empty for loop inside pipeline quite slow

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      We encounterd that a simple empty loop of 150 items takes 10 seconds te complete. A loop of 1000 iterations take up 1 minute. We don't see excessive CPU / memory usage on the Jenkins server / slave. The loop is very simple (nothing is executed inside the loop):

      for (i=0;i<1000;i++) {      

      }
           

          [JENKINS-48911] Empty for loop inside pipeline quite slow

          Huib-Jan Kwakernaak created issue -
          Huib-Jan Kwakernaak made changes -
          Description Original: We encounterd that a simple empty loop of 150 items takes 10 seconds te complete. A loop of 1000 iterations take up 1 minute. We don't see excessive CPU / memory usage on the Jenkins server / slave. The loop is very simple (nothing is executes inside the loop):

          for (i=0;i<1000;i++) \{      

          }
                          		New: We encounterd that a simple empty loop of 150 items takes 10 seconds te complete. A loop of 1000 iterations take up 1 minute. We don't see excessive CPU / memory usage on the Jenkins server / slave. The loop is very simple (nothing is executed inside the loop):

          for (i=0;i<1000;i++) \{      

          }
                
          Andrew Bayer made changes -
          Component/s New: workflow-cps-plugin [ 21713 ]
          Component/s Original: pipeline-utility-steps-plugin [ 21135 ]
          Andrew Bayer made changes -
          Assignee Original: rsandell [ rsandell ]
          Sam Van Oort made changes -
          Priority Original: Critical [ 2 ] New: Minor [ 4 ]
          Andrew Bayer made changes -
          Labels Original: pipeline New: pipeline triaged-2018-11
          Andrew Bayer made changes -
          Labels Original: pipeline triaged-2018-11 New: complex-cps-code pipeline triaged-2018-11

            Unassigned Unassigned
            hkw Huib-Jan Kwakernaak
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              Created:
              Updated: