pan3793 commented on code in PR #36485:
URL: https://github.com/apache/spark/pull/36485#discussion_r868751869
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sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala:
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@@ -175,7 +175,8 @@ class HadoopTableReader(
def updateExistPathSetByPathPattern(pathPatternStr: String): Unit
= {
val pathPattern = new Path(pathPatternStr)
val fs = pathPattern.getFileSystem(hadoopConf)
- val matches = fs.globStatus(pathPattern)
+ val (matches, timeCost) =
Utils.timeTakenMs(fs.globStatus(pathPattern))
+ logInfo(s"Get FileStatus for path '$pathPatternStr' costs
$timeCost ms.")
Review Comment:
Personally, I prefer to use logInfo, because
1) the message is not noisy, `pathPatternStr` matches the table path, which
means if the query access 10 tables, just generate 10 messages.
2) the PR itself aims to give more information when the user's job is stuck
on listing files, the most important information is `pathPatternStr`, and I
suppose most users will not turn on debug level log on production, then users
have less opportunity to this message.
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