[jira] [Created] (AURORA-291) Preserve ancestor details to improve accuracy of SLA calculations

["Maxim Khutornenko (JIRA)" <ji...@apache.org>]

Maxim Khutornenko created AURORA-291:
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             Summary: Preserve ancestor details to improve accuracy of SLA calculations
                 Key: AURORA-291
                 URL: https://issues.apache.org/jira/browse/AURORA-291
             Project: Aurora
          Issue Type: Task
          Components: Scheduler
            Reporter: Maxim Khutornenko


In order to calculate ARD without job create/update impact we would need to track the ancestor details (i.e. in case a LOST task gets rescheduled, becomes PENDING and stays PENDING longer than HISTORY_MIN_RETENTION_THRESHOLD while the ancestor LOST task gets pruned).

One possible solution could be converting the ancestorID in ScheduledTask to something like:
{noformat}
struct Ancestor {
 1: string Id
 2: ScheduleStatus status
 3: i64: timestampMs
}
{noformat}



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