[GitHub] [spark] dongjoon-hyun commented on a change in pull request #30164: [SPARK-32919][SHUFFLE][test-maven][test-hadoop2.7] Driver side changes for coordinating push based shuffle by selecting external shuffle services for merging partitions

[GitBox <gi...@apache.org>]

dongjoon-hyun commented on a change in pull request #30164:
URL: https://github.com/apache/spark/pull/30164#discussion_r525827409



##########
File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -1938,4 +1938,51 @@ 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.maxRetainedMergerLocations")
+      .doc("Maximum number of shuffle push mergers locations cached for push based shuffle. " +

Review comment:
       `mergers` -> `merger`? Or `merges` -> `mergers'`?




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