cloud-fan commented on code in PR #52336:
URL: https://github.com/apache/spark/pull/52336#discussion_r2371455532
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core/src/main/scala/org/apache/spark/internal/config/package.scala:
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@@ -1679,6 +1679,15 @@ package object config {
.checkValues(Set("ADLER32", "CRC32", "CRC32C"))
.createWithDefault("ADLER32")
+ private[spark] val SCHEDULER_CHECKSUM_MISMATCH_FULL_RETRY_ENABLED =
+ ConfigBuilder("spark.scheduler.checksumMismatchFullRetry.enabled")
+ .doc("Whether to retry all tasks of a consumer stage when we detect
checksum mismatches " +
+ "with its producer stages. The checksum computation is controlled by
another config " +
+ "called SHUFFLE_ORDER_INDEPENDENT_CHECKSUM_ENABLED.")
Review Comment:
We can improve it a bit more: we will compute checksum when either
`SHUFFLE_ORDER_INDEPENDENT_CHECKSUM_ENABLED` or
`SCHEDULER_CHECKSUM_MISMATCH_FULL_RETRY_ENABLED` is enabled.
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