Github user 10110346 commented on a diff in the pull request: https://github.com/apache/spark/pull/22754#discussion_r228009755 --- Diff: core/src/main/scala/org/apache/spark/internal/config/package.scala --- @@ -495,8 +495,8 @@ package object config { ConfigBuilder("spark.shuffle.spill.diskWriteBufferSize") .doc("The buffer size, in bytes, to use when writing the sorted records to an on-disk file.") .bytesConf(ByteUnit.BYTE) - .checkValue(v => v > 0 && v <= Int.MaxValue, - s"The buffer size must be greater than 0 and less than ${Int.MaxValue}.") + .checkValue(v => v > 12 && v <= Int.MaxValue, + s"The buffer size must be greater than 12 and less than ${Int.MaxValue}.") --- End diff -- Yea, I think this value is better
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