Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/23162#discussion_r237747015 --- Diff: core/src/main/scala/org/apache/spark/internal/config/package.scala --- @@ -503,7 +503,7 @@ package object config { "made in creating intermediate shuffle files.") .bytesConf(ByteUnit.KiB) .checkValue(v => v > 0 && v <= ByteArrayMethods.MAX_ROUNDED_ARRAY_LENGTH / 1024, - s"The file buffer size must be greater than 0 and less than" + + s"The file buffer size must be positive and not greater than" + --- End diff -- not greater than -> less than or equal to
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