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[SPARK-45753][CORE] Support spark.deploy.driverIdPattern #43615

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[SPARK-45753][CORE] Support spark.deploy.driverIdPattern #43615

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[SPARK-45753][CORE] Support `spark.deploy.driverIdPattern`
dongjoon-hyun Nov 1, 2023
fcabcee
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dongjoon-hyun Nov 1, 2023
0275e01
fix
dongjoon-hyun Nov 1, 2023
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4 changes: 3 additions & 1 deletion core/src/main/scala/org/apache/spark/deploy/master/Master.scala
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Expand Up @@ -53,6 +53,8 @@ private[deploy] class Master(
private val forwardMessageThread =
ThreadUtils.newDaemonSingleThreadScheduledExecutor("master-forward-message-thread")

private val driverIdPattern = conf.get(DRIVER_ID_PATTERN)

// For application IDs
private def createDateFormat = new SimpleDateFormat("yyyyMMddHHmmss", Locale.US)

Expand Down Expand Up @@ -1175,7 +1177,7 @@ private[deploy] class Master(
}

private def newDriverId(submitDate: Date): String = {
val appId = "driver-%s-%04d".format(createDateFormat.format(submitDate), nextDriverNumber)
val appId = driverIdPattern.format(createDateFormat.format(submitDate), nextDriverNumber)
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nextDriverNumber += 1
appId
}
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5 changes: 5 additions & 0 deletions core/src/main/scala/org/apache/spark/internal/config/Deploy.scala
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Expand Up @@ -82,4 +82,9 @@ private[spark] object Deploy {
.checkValue(_ > 0, "The maximum number of running drivers should be positive.")
.createWithDefault(Int.MaxValue)

val DRIVER_ID_PATTERN = ConfigBuilder("spark.deploy.driverIdPattern")
.doc("The pattern for driver ID generation.")
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.version("4.0.0")
.stringConf
.createWithDefault("driver-%s-%04d")
}
8 changes: 8 additions & 0 deletions core/src/test/scala/org/apache/spark/deploy/master/MasterSuite.scala
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Expand Up @@ -802,6 +802,7 @@ class MasterSuite extends SparkFunSuite
private val _waitingDrivers =
PrivateMethod[mutable.ArrayBuffer[DriverInfo]](Symbol("waitingDrivers"))
private val _state = PrivateMethod[RecoveryState.Value](Symbol("state"))
private val _newDriverId = PrivateMethod[String](Symbol("newDriverId"))

private val workerInfo = makeWorkerInfo(4096, 10)
private val workerInfos = Array(workerInfo, workerInfo, workerInfo)
Expand Down Expand Up @@ -1236,6 +1237,13 @@ class MasterSuite extends SparkFunSuite
private def getState(master: Master): RecoveryState.Value = {
master.invokePrivate(_state())
}

test("SPARK-45753: Support driver id pattern") {
val master = makeMaster(new SparkConf().set(DRIVER_ID_PATTERN, "my-driver-%2$05d"))
val submitDate = new Date()
assert(master.invokePrivate(_newDriverId(submitDate)) === "my-driver-00000")
assert(master.invokePrivate(_newDriverId(submitDate)) === "my-driver-00001")
}
}

private class FakeRecoveryModeFactory(conf: SparkConf, ser: serializer.Serializer)
Expand Down