Ngone51 commented on a change in pull request #30164:
URL: https://github.com/apache/spark/pull/30164#discussion_r521958752
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File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -1938,4 +1938,50 @@ package object config {
.version("3.0.1")
.booleanConf
.createWithDefault(false)
+
+ private[spark] val PUSH_BASED_SHUFFLE_ENABLED =
+ ConfigBuilder("spark.shuffle.push.enabled")
+ .doc("Set to 'true' to enable push based shuffle on the client side and
this works in " +
+ "conjunction with the server side flag
spark.shuffle.server.mergedShuffleFileManagerImpl " +
+ "which needs to be set with the appropriate " +
+ "org.apache.spark.network.shuffle.MergedShuffleFileManager
implementation for push-based " +
+ "shuffle to be enabled")
+ .version("3.1.0")
+ .booleanConf
+ .createWithDefault(false)
+
+ private[spark] val SHUFFLE_MERGERS_MAX_RETAINED_LOCATIONS =
+ ConfigBuilder("spark.shuffle.push.retainedMergerLocations")
+ .doc("Maximum number of shuffle push mergers locations cached for push
based shuffle. " +
+ "Currently shuffle push merger locations are nothing but shuffle
services where an " +
+ "executor is launched in the case of Push based shuffle.")
+ .version("3.1.0")
+ .intConf
+ .createWithDefault(500)
+
+ private[spark] val SHUFFLE_MERGER_LOCATIONS_MIN_THRESHOLD_RATIO =
+ ConfigBuilder("spark.shuffle.push.mergersMinThresholdRatio")
+ .doc("The minimum number of shuffle merger locations required to enable
push based " +
+ "shuffle for a stage. This is specified as a ratio of the number of
partitions in " +
+ "the child stage. For example, a reduce stage which has 100 partitions
and uses the " +
Review comment:
IIUC, it's for map stage rather than reduce stage? Or you can just leave
it as "stage".
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