hezuojiao commented on a change in pull request #31898:
URL: https://github.com/apache/spark/pull/31898#discussion_r598297714
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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)
Review comment:
BTW, it seems to me that when io encryption enabled, the demarcation
point (end of blocks) between consecutive blocks cannot be resolved correctly
during deserialization (shuffle read).
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