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[SPARK-40267][DOC] Add description for ExecutorAllocationManager metrics #1

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[SPARK-40267][DOC] Add description for ExecutorAllocationManager metrics #1

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12 changes: 6 additions & 6 deletions docs/monitoring.md
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Expand Up @@ -1207,12 +1207,12 @@ This is the component with the largest amount of instrumented metrics
- namespace=ExecutorAllocationManager
- **note:** these metrics are only emitted when using dynamic allocation. Conditional to a configuration
parameter `spark.dynamicAllocation.enabled` (default is false)
- executors.numberExecutorsToAdd
- executors.numberExecutorsPendingToRemove
- executors.numberAllExecutors
- executors.numberTargetExecutors
- executors.numberMaxNeededExecutors
- executors.numberDecommissioningExecutors
- executors.numberExecutorsToAdd: Number of executors to add in the next round sync with cluster manager
- executors.numberExecutorsPendingToRemove: Number of executors to remove in the next round sync with cluster manager
- executors.numberAllExecutors: Number of all running executors including normal and decommissioning
- executors.numberTargetExecutors: Desired number of executors totally needed from cluster manager
- executors.numberMaxNeededExecutors: Maximum number of executors needed under the current load to satisfy all running and pending tasks, rounded up.
- executors.numberDecommissioningExecutors: Number of executors are decommissioning
- executors.numberExecutorsGracefullyDecommissioned.count
- executors.numberExecutorsDecommissionUnfinished.count
- executors.numberExecutorsExitedUnexpectedly.count
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