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Mehrdad Nurolahzade updated AURORA-1829: ---------------------------------------- Description: We have no visibility into whether reservations made by preemption are actually consumed or simply expire. We are currently collecting stats for the size of preemption/reservation {{BiCache}}. We could additionally collect (a) cache expiration stats and (b) reservation entry removals in {{TaskSchedulerImpl.taskChanged()}} to monitor overall preemption effectiveness. was: We have no visibility into whether reservations made by preemption are actually consumed or simply expire. We are currently collecting stats for the size of preemptor {{BiCache}} ({{reservation_cache_size}}). We could additionally collect (a) cache expiration stats and (b) reservation entry removals in {{TaskSchedulerImpl.taskChanged()}} to monitor overall preemption effectiveness. > Expose stats on preemptor BiCache expirations > --------------------------------------------- > > Key: AURORA-1829 > URL: https://issues.apache.org/jira/browse/AURORA-1829 > Project: Aurora > Issue Type: Task > Components: Scheduler > Reporter: Mehrdad Nurolahzade > Assignee: Mehrdad Nurolahzade > Priority: Minor > Labels: newbie > > We have no visibility into whether reservations made by preemption are > actually consumed or simply expire. > We are currently collecting stats for the size of preemption/reservation > {{BiCache}}. We could additionally collect (a) cache expiration stats and (b) > reservation entry removals in {{TaskSchedulerImpl.taskChanged()}} to monitor > overall preemption effectiveness. -- This message was sent by Atlassian JIRA (v6.3.4#6332)