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 | ID value | Description | Granularity | Type | Level | Overhead |
---|---|---|---|---|---|---|---|
TaskFailureCount | schedulerModule.failedTasks.name | 1 | The number of tasks that failed to run | Per Scheduler | CountStatistic | All | High |
TaskFinishCount | schedulerModule.executedTasks.name | 2 | The number of tasks ran successfully | Per Scheduler | CountStatistic | All | High |
PollCount | schedulerModule.totalPolls.name | 11 | The number of poll cycles completed for all daemon threads | Per Scheduler | CountStatistic | All | High |
TaskFinishRate | schedulerModule.tasksPerSec.name | 3 | The number of tasks run per second | Per Scheduler | RangeStatistic | All | High |
TaskCollisionRate | schedulerModule.collisionsPerSec.name | 4 | The number of collisions encountered per second between competing poll daemons | Per Scheduler | RangeStatistic | All | High |
PollQueryDuration | schedulerModule.queryTime.name | 5 | The start time in milliseconds for each poll daemon thread's database poll query | Per Scheduler | RangeStatistic | All | High |
RunDuration | schedulerModule.execTime.name | 6 | The time in milliseconds taken to run a task. | Per Scheduler | RangeStatistic | All | High |
TaskExpirationRate | schedulerModule.taskLoadPerPoll.name | 7 | The number of tasks in a poll query | Per Scheduler | RangeStatistic | All | High |
TaskDelayDuration | schedulerModule.execLatency.name | 8 | The period of time in seconds that the task is delayed | Per Scheduler | RangeStatistic | All | High |
PollDuration | schedulerModule.pollTime.name | 9 | The number of seconds between poll cycles | Per Scheduler | RangeStatistic | All | High |
TaskRunRate | schedulerModule.taskExecPerPoll.name | 10 | 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 |