uros-b commented on code in PR #56387:
URL: https://github.com/apache/spark/pull/56387#discussion_r3444152789
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core/src/main/scala/org/apache/spark/internal/config/package.scala:
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@@ -1781,6 +1781,20 @@ package object config {
.intConf
.createWithDefault(8)
+ //
---------------------------------------------------------------------------
+ // Streaming shuffle writer configs
+ //
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+
+ private[spark] val STREAMING_SHUFFLE_CHECKSUM_ENABLED =
+ ConfigBuilder("spark.shuffle.streaming.checksum.enabled")
+ .doc("Whether to append a CRC32C checksum to each streaming shuffle data
buffer. " +
+ "When enabled, the writer computes the checksum and embeds it in the
DataMessage header; " +
+ "the reader recomputes and compares. A mismatch fails the task,
providing early " +
+ "detection of data corruption in transit.")
+ .version("4.0.0")
Review Comment:
```suggestion
.version("4.3.0")
```
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