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  1. Evergreen
  2. EVG-14274

time_to_empty metric maxes out too often to be usable

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • current_quarter
    • plt
    • None

    Description

      I saw this behavior associated with drops in host count.
      This is potentially because of the following line:
      `hostsAvail := nHostsFree + len(hostsSpawned) - distroQueueInfo.CountDurationOverThreshold`

      This does not account for for task group tasks, which may not add to the grand total of QOS hosts spawned specifically to run long-duration tasks. That will cause hostsAvail to be lower than it should be, and therefore time_to_empty to max out due to hostsAvail <=0.

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              harris.hoke@mongodb.com Harris Hoke (Inactive)
              harris.hoke@mongodb.com Harris Hoke (Inactive)
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                Created:
                Updated:
                Resolved: