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[SPARK-7007][core] Add a metric source for ExecutorAllocationManager #5589

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jerryshao wants to merge 4 commits into from
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[SPARK-7007][core] Add a metric source for ExecutorAllocationManager #5589

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2c3540f
Add a metric source for ExecutorAllocationManager
jerryshao Apr 20, 2015
d237ba5
Address the comments
jerryshao Apr 29, 2015
c501a2c
Address the comments
jerryshao Apr 30, 2015
104d155
rebase and address the comments
jerryshao May 2, 2015
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rebase and address the comments
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@jerryshao
jerryshao committed May 2, 2015
commit 104d155200cd759be2619e1a1e46cf43c76cfe45
7 changes: 4 additions & 3 deletions core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
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Expand Up @@ -588,7 +588,9 @@ private[spark] class ExecutorAllocationManager(
/**
* Metric source for ExecutorAllocationManager to expose its internal executor allocation
* status to MetricsSystem.
* Note: These metrics may not be stable across Spark version.
* Note: These metrics heavily rely on the internal implementation of
* ExecutorAllocationManager, metrics or value of metrics will be changed when internal
* implementation is changed, so these metrics are not stable across Spark version.
*/
private[spark] class ExecutorAllocationManagerSource extends Source {
val sourceName = "ExecutorAllocationManager"
Expand All @@ -601,10 +603,9 @@ private[spark] class ExecutorAllocationManager(
}

registerGauge("numberExecutorsToAdd", numExecutorsToAdd, 0)
registerGauge("numberExecutorsPending", numExecutorsPending, 0)
registerGauge("numberExecutorsPendingToRemove", executorsPendingToRemove.size, 0)
registerGauge("numberAllExecutors", executorIds.size, 0)
registerGauge("numberTargetExecutors", targetNumExecutors(), 0)
registerGauge("numberTargetExecutors", numExecutorsTarget, 0)
registerGauge("numberMaxNeededExecutors", maxNumExecutorsNeeded(), 0)
}
}
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