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[SPARK-53157][CORE] Decouple driver and executor polling intervals #51885

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[SPARK-53157][CORE] Decouple driver and executor polling intervals #51885

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65c2553
[LIHADOOP-81008] Add a Driver Metrics Polling Interval (#462)
Aug 6, 2025
4402779
change version introduced
Aug 6, 2025
ec588a0
Rename config to spark.driver.metrics.pollingInterval
Aug 26, 2025
0d2031f
Add doc string
Aug 27, 2025
cedc2a4
doc string
Aug 27, 2025
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2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/SparkContext.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -614,7 +614,7 @@ class SparkContext(config: SparkConf) extends Logging {
_heartbeater = new Heartbeater(
() => SparkContext.this.reportHeartBeat(_executorMetricsSource),
"driver-heartbeater",
conf.get(EXECUTOR_HEARTBEAT_INTERVAL))
conf.get(DRIVER_METRICS_POLLING_INTERVAL))
_heartbeater.start()

// start TaskScheduler after taskScheduler sets DAGScheduler reference in DAGScheduler's
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8 changes: 8 additions & 0 deletions core/src/main/scala/org/apache/spark/internal/config/package.scala
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Expand Up @@ -1209,6 +1209,14 @@ package object config {
.checkValue(v => v >= 0, "The value should be a non-negative time value.")
.createWithDefaultString("0min")

private[spark] val DRIVER_METRICS_POLLING_INTERVAL =
ConfigBuilder("spark.driver.metrics.pollingInterval")
.doc("How often to collect driver metrics (in milliseconds). " +
"If unset, the polling is done at the executor heartbeat interval. " +
"If set, the polling is done at this interval.")
.version("4.1.0")
.fallbackConf(EXECUTOR_HEARTBEAT_INTERVAL)

private[spark] val DRIVER_BIND_ADDRESS = ConfigBuilder("spark.driver.bindAddress")
.doc("Address where to bind network listen sockets on the driver.")
.version("2.1.0")
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