mridulm commented on code in PR #2444:
URL: https://github.com/apache/celeborn/pull/2444#discussion_r1550976377


##########
common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala:
##########
@@ -4172,6 +4173,14 @@ object CelebornConf extends Logging {
       .booleanConf
       .createWithDefault(true)
 
+  val SPARK_SHUFFLE_FALLBACK_ENABLED: ConfigEntry[Boolean] =
+    buildConf("celeborn.client.spark.shuffle.fallback.enabled")
+      .categories("client")
+      .version("0.5.0")
+      .doc("When false, job failed immediately instead of trying to fall back 
to Spark's default shuffle.")

Review Comment:
   nit:
   
   ```suggestion
         .doc("When false, job will not attempt to fallback to Spark's default 
shuffle.")
   ```



##########
common/src/main/scala/org/apache/celeborn/common/CelebornConf.scala:
##########
@@ -4172,6 +4173,14 @@ object CelebornConf extends Logging {
       .booleanConf
       .createWithDefault(true)
 
+  val SPARK_SHUFFLE_FALLBACK_ENABLED: ConfigEntry[Boolean] =

Review Comment:
   This config seems to be in conflict with 
`celeborn.client.spark.shuffle.forceFallback.enabled` and 
`celeborn.client.spark.shuffle.forceFallback.numPartitionsThreshold`.
   Add to the documentation about this interaction as well.



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