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  1. Pegasus
  2. PM-775

round robin site selector does not do correct distribution

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • master, 4.4.0
    • master, 4.5.0, 4.4.1
    • Planner: Selectors
    • None

    Description

      Harshad Prajapati reported issue with round robin site selection
      On Jul 22, 2014, at 1:01 AM, Harshad Prajapati <harshad.b.prajapati@gmail.com> wrote:

      > Hello:
      >
      > I am executing one workflow of 10 nodes/jobs on three Grid sites using RoundRobin site selector algorithm. In the schedule chart generated using pegasus-plots I observe that only for first three tasks, round robin happens (i.e., each executes on a different site) but remaining 6 tasks execute only on submit site. I also tried it for a larger workflow and I found same observation.
      >
      > What is the behavior of RoundRobin? Is scheduling and execution done by Pegasus WMS for RoundRobin site selector correct? Why Round Robin does not happen next time?
      >
      > Waiting for reply
      > -Harshad

      Attachments

        1. 10-nodes-wf.dax
          7 kB
        2. properties
          0.4 kB
        3. rc.data
          0.1 kB
        4. sites.xml3
          6 kB
        5. tc.10-nodes-wf.text
          6 kB

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            vahi Karan Vahi
            vahi Karan Vahi
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            Dates

              Created:
              Updated:
              Resolved: