Github user heary-cao commented on a diff in the pull request:
https://github.com/apache/spark/pull/18174#discussion_r125547523
--- Diff:
core/src/main/scala/org/apache/spark/internal/config/package.scala ---
@@ -335,4 +335,29 @@ package object config {
"spark.")
.booleanConf
.createWithDefault(false)
+
+ private[spark] val SHUFFLE_FILE_BUFFER_SIZE =
+ ConfigBuilder("spark.shuffle.file.buffer")
+ .doc("Used to set the buffer size of outputstream in shuffle
writer.")
+ .bytesConf(ByteUnit.KiB)
+ .checkValue(v => v > 0 && v <= Int.MaxValue / 1024,
+ s"The file buffer size must be greater than 0 to ${Int.MaxValue /
1024}.")
+ .createWithDefaultString("32k")
+
+ private[spark] val SHUFFLE_UNSAFE_FILE_OUTPUT_BUFFER_SIZE =
+ ConfigBuilder("spark.shuffle.unsafe.file.output.buffer")
+ .doc("The file system for this buffer size after each partition " +
+ "is written in unsafe shuffle writer.")
+ .bytesConf(ByteUnit.KiB)
+ .checkValue(v => v > 0 && v <= Int.MaxValue / 1024,
+ s"The buffer size must be greater than 0 to ${Int.MaxValue /
1024}.")
+ .createWithDefaultString("32k")
+
+ private[spark] val SHUFFLE_DISK_WRITE_BUFFER_SIZE =
+ ConfigBuilder("spark.shuffle.spill.diskWriteBufferSize")
+ .doc("The buffer size to use when writing the sorted records to an
on-disk file.")
+ .intConf
--- End diff --
OK
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