dongjoon-hyun commented on a change in pull request #31898:
URL: https://github.com/apache/spark/pull/31898#discussion_r598201910
##########
File path:
core/src/main/scala/org/apache/spark/shuffle/BlockStoreShuffleReader.scala
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@@ -51,15 +51,17 @@ private[spark] class BlockStoreShuffleReader[K, C](
true
}
val useOldFetchProtocol = conf.get(config.SHUFFLE_USE_OLD_FETCH_PROTOCOL)
+ // SPARK-34790: Fetching continuous blocks in batch is incompatible with
io encryption.
+ val ioEncryption = conf.get(config.IO_ENCRYPTION_ENABLED)
val doBatchFetch = shouldBatchFetch && serializerRelocatable &&
- (!compressed || codecConcatenation) && !useOldFetchProtocol
+ (!compressed || codecConcatenation) && !useOldFetchProtocol &&
!ioEncryption
Review comment:
IIUC, the test coverage of this code path works correctly when
`spark.sql.adaptive.enabled=false`. If not, please file another JIRA. It's
independent from AQE.
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