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Scheduler counters

Use this page as a reference for properties of Scheduler counters.

Counters for this category contain information for the Scheduler service.

Counter definitions

Name Key Description Granularity Type Level Overhead
TaskFailureCount schedulerModule.failedTasks.name The number of tasks that failed to run Per Scheduler CountStatistic All High
TaskFinishCount schedulerModule.executedTasks.name The number of tasks ran successfully Per Scheduler CountStatistic All High
PollCount schedulerModule.totalPolls.name The number of poll cycles completed for all daemon threads Per Scheduler CountStatistic All High
TaskFinishRate schedulerModule.tasksPerSec.name The number of tasks run per second Per Scheduler RangeStatistic All High
TaskCollisionRate schedulerModule.collisionsPerSec.name The number of collisions encountered per second between competing poll daemons Per Scheduler RangeStatistic All High
PollQueryDuration schedulerModule.queryTime.name The start time in milliseconds for each poll daemon thread's database poll query Per Scheduler RangeStatistic All High
RunDuration schedulerModule.execTime.name The time in milliseconds taken to run a task. Per Scheduler RangeStatistic All High
TaskExpirationRate schedulerModule.taskLoadPerPoll.name The number of tasks in a poll query Per Scheduler RangeStatistic All High
TaskDelayDuration schedulerModule.execLatency.name The period of time in seconds that the task is delayed Per Scheduler RangeStatistic All High
PollDuration schedulerModule.pollTime.name The number of seconds between poll cycles Per Scheduler RangeStatistic All High
TaskRunRate schedulerModule.taskExecPerPoll.name The number of tasks run by each poll daemon thread. (Multiply this by the number of poll daemon threads to get the tasks run per effective poll cycle.) Per Scheduler RangeStatistic All High

 

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