cloud-fan commented on a change in pull request #32401:
URL: https://github.com/apache/spark/pull/32401#discussion_r664306639
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File path:
core/src/main/scala/org/apache/spark/shuffle/ShufflePartitionPairsWriter.scala
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@@ -45,6 +47,23 @@ private[spark] class ShufflePartitionPairsWriter(
private var numRecordsWritten = 0
private var curNumBytesWritten = 0L
+ // checksum related
+ private var checksumEnabled = false
+ private var checksumOutputStream: MutableCheckedOutputStream = _
+ private var checksum: Checksum = _
+
+ /**
+ * Set the checksum that the checksumOutputStream should use
+ */
+ def setChecksum(checksum: Checksum): Unit = {
+ if (checksumOutputStream == null) {
+ this.checksumEnabled = true
+ this.checksum = checksum
Review comment:
We can set this in constructor
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