cloud-fan commented on a change in pull request #32401:
URL: https://github.com/apache/spark/pull/32401#discussion_r667669668
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File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -1368,6 +1368,25 @@ package object config {
s"The buffer size must be greater than 0 and less than or equal to
${Int.MaxValue}.")
.createWithDefault(4096)
+ private[spark] val SHUFFLE_CHECKSUM_ENABLED =
+ ConfigBuilder("spark.shuffle.checksum.enabled")
+ .doc("Whether to calculate the checksum of shuffle output. If enabled,
Spark will try " +
+ "its best to tell if shuffle data corruption is caused by network or
disk or others.")
+ .version("3.3.0")
+ .booleanConf
+ .createWithDefault(true)
+
+ private[spark] val SHUFFLE_CHECKSUM_ALGORITHM =
+ ConfigBuilder("spark.shuffle.checksum.algorithm")
+ .doc("The algorithm used to calculate the checksum. Currently, it only
supports" +
+ " built-in algorithms of JDK.")
+ .version("3.3.0")
+ .stringConf
+ .transform(_.toLowerCase(Locale.ROOT))
+ .checkValue(Set("adler32", "crc32").contains, "Shuffle checksum
algorithm " +
+ "should be either Adler32 or CRC32.")
+ .createWithDefault("Adler32")
Review comment:
let's normalize the conf value with upper case
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