Github user ArcherShao commented on a diff in the pull request:
https://github.com/apache/spark/pull/5886#discussion_r29663820
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala ---
@@ -186,13 +186,13 @@ private[history] class FsHistoryProvider(conf:
SparkConf, clock: Clock)
try {
val statusList = Option(fs.listStatus(new Path(logDir))).map(_.toSeq)
.getOrElse(Seq[FileStatus]())
- var newLastModifiedTime = lastModifiedTime
val logInfos: Seq[FileStatus] = statusList
.filter { entry =>
try {
getModificationTime(entry).map { time =>
- newLastModifiedTime = math.max(newLastModifiedTime, time)
- time >= lastModifiedTime
+ val fileName = entry.getPath.getName
+ val oldLastModifiedTime =
lastModifiedTimes.getOrElse(fileName, -1L)
+ time > oldLastModifiedTime
--- End diff --
If the app is in process, it doesn't matter if we don't reprocess the log
file. After the app completed, its' file name will change, and it will get the
`oldLastModifiedTime = -1', so `time > oldLastModifiedTime` will be `true`, and
the log file will reprocess.
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