[GitHub] [spark] HyukjinKwon commented on a change in pull request #34353: Set spark.sql.files.openCostInBytes to bytesConf

[GitBox <gi...@apache.org>]

HyukjinKwon commented on a change in pull request #34353:
URL: https://github.com/apache/spark/pull/34353#discussion_r733449140



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1415,8 +1415,8 @@ object SQLConf {
       " bigger files (which is scheduled first). This configuration is effective only when using" +
       " file-based sources such as Parquet, JSON and ORC.")
     .version("2.0.0")
-    .longConf
-    .createWithDefault(4 * 1024 * 1024)
+    .bytesConf(ByteUnit.BYTE)
+    .createWithDefaultString("4MB")

Review comment:
       Can we add a simple test at `ConfigEntrySuite` to make sure byte configuration is able to take the long type numbers?




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