Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16989#discussion_r116906367
--- Diff:
core/src/main/scala/org/apache/spark/internal/config/package.scala ---
@@ -278,4 +278,10 @@ package object config {
"spark.io.compression.codec.")
.booleanConf
.createWithDefault(false)
+ private[spark] val SHUFFLE_ACCURATE_BLOCK_THRESHOLD =
+ ConfigBuilder("spark.shuffle.accurateBlkThreshold")
+ .doc("This only works in HighlyCompressedMapStatus. Sizes of blocks
above this threshold" +
+ " will be recorded accurately. This is to help control memory cost
when shuffle blocks.")
--- End diff --
also update
https://github.com/apache/spark/pull/16989/files#diff-76e731333fb756df3bff5ddb3b731c46R627
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