Ngone51 commented on a change in pull request #23377: [SPARK-26439][CORE][WIP]
Introduce WorkerOffer reservation mechanism for Barrier TaskSet
URL: https://github.com/apache/spark/pull/23377#discussion_r243914021
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File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -715,6 +715,24 @@ package object config {
.checkValue(v => v > 0, "The max failures should be a positive value.")
.createWithDefault(40)
+ private[spark] val BARRIER_NO_SUFFICIENT_RESOURCE_TIMEOUT =
+ ConfigBuilder("spark.scheduler.barrier.noSufficientResource.timeout")
+ .doc("Time in minutes to wait before a barrier TaskSet get sufficient
resource " +
+ "to launch tasks. Abort the barrier TaskSet once it expires to avoid
job " +
+ "hanging indefinitely.")
+ .timeConf(TimeUnit.MINUTES)
+ .checkValue(v => v > 0, "Time value should be a positive value.")
+ .createWithDefault(5)
+
+ private[spark] val BARRIER_MAX_CONSECUTIVE_NO_BARRIER_TASKSET_LAUNCH_TIMES =
+
ConfigBuilder("spark.scheduler.barrier.maxConsecutiveNoBarrierTaskSetLaunchTimes")
+ .doc("Number of max consecutive times of no any barrier taskSet launched
in each " +
+ "resourceOffers round. TaskScheduler will ask barrier taskSets to
release reserved" +
+ "WorkOffers if it reach this point.")
+ .intConf
+ .checkValue(v => v > 0, "The maxConsecutiveNoTaskSetLaunchTimes should
be a positive value.")
+ .createWithDefault(5)
Review comment:
ditto
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