liupc commented on a change in pull request #24024:
[core]spark.diskStore.subDirectories > 0 should throw Exception
URL: https://github.com/apache/spark/pull/24024#discussion_r263984114
##########
File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -301,6 +301,8 @@ package object config {
.doc("Number of subdirectories inside each path listed in
spark.local.dir for " +
"hashing Block files into.")
.intConf
+ .checkValue(_ > 0, "The number of subdirectories for put hashing Block
files into " +
Review comment:
@lcqzte10192193 The PR title should also be fixed, How about "Ensure the
value of `spark.diskStore.subDirectories` to be a positive number?" or
something else. And you should also put the jira number in the PR title.
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