hezuojiao commented on a change in pull request #31898:
URL: https://github.com/apache/spark/pull/31898#discussion_r598300042
##########
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:
No. In my understanding, continuous reading in batch only occurs when
adaptive query execution is turned on. Furthermore, it is actually only related
to partition coalescing of AQE. So it will not affect the case when the
adaptive query execution is closed.
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