RexXiong commented on code in PR #3261:
URL: https://github.com/apache/celeborn/pull/3261#discussion_r2141587336


##########
client/src/main/scala/org/apache/celeborn/client/commit/ReducePartitionCommitHandler.scala:
##########
@@ -82,6 +83,13 @@ class ReducePartitionCommitHandler(
   private val rpcCacheConcurrencyLevel = conf.clientRpcCacheConcurrencyLevel
   private val rpcCacheExpireTime = conf.clientRpcCacheExpireTime
 
+  private val shuffleIntegrityCheckEnabled = 
conf.clientShuffleIntegrityCheckEnabled
+  // partitionId-shuffleId -> number of mappers that have written to this 
reducer (partition + shuffle)
+  private val commitMetadataForReducer =

Review Comment:
   Should clean `commitMetadataForReducer/aqePartitionCompletenessValidator` 
when the shuffle expired



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