Ngone51 commented on a change in pull request #32401:
URL: https://github.com/apache/spark/pull/32401#discussion_r663798968
##########
File path:
core/src/main/java/org/apache/spark/shuffle/sort/ShuffleExternalSorter.java
##########
@@ -133,6 +144,26 @@
this.peakMemoryUsedBytes = getMemoryUsage();
this.diskWriteBufferSize =
(int) (long)
conf.get(package$.MODULE$.SHUFFLE_DISK_WRITE_BUFFER_SIZE());
+ this.checksumEnabled = (boolean)
conf.get(package$.MODULE$.SHUFFLE_CHECKSUM());
+ if (this.checksumEnabled) {
+ this.partitionChecksums = new Adler32[numPartitions];
Review comment:
Added `ShuffleChecksumHelper`
##########
File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
##########
@@ -1368,6 +1368,14 @@ 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 =
+ ConfigBuilder("spark.shuffle.checksum")
Review comment:
Appened `.enabled` and added `spark.shuffle.checksum.algorithm` as well.
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