Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/1222#discussion_r21582789
--- Diff:
core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala ---
@@ -149,41 +162,45 @@ private[history] class FsHistoryProvider(conf:
SparkConf) extends ApplicationHis
* Tries to reuse as much of the data already in memory as possible, by
not reading
* applications that haven't been updated since last time the logs were
checked.
*/
- private def checkForLogs() = {
+ private[history] def checkForLogs() = {
lastLogCheckTimeMs = getMonotonicTimeMs()
logDebug("Checking for logs. Time is now
%d.".format(lastLogCheckTimeMs))
- try {
- val logStatus = fs.listStatus(new Path(logDir))
- val logDirs = if (logStatus != null) logStatus.filter(_.isDir).toSeq
else Seq[FileStatus]()
- // Load all new logs from the log directory. Only directories that
have a modification time
- // later than the last known log directory will be loaded.
+ try {
var newLastModifiedTime = lastModifiedTime
- val logInfos = logDirs
- .filter { dir =>
- if (fs.isFile(new Path(dir.getPath(),
EventLoggingListener.APPLICATION_COMPLETE))) {
- val modTime = getModificationTime(dir)
- newLastModifiedTime = math.max(newLastModifiedTime, modTime)
- modTime > lastModifiedTime
- } else {
- false
+ val statusList = Option(fs.listStatus(new Path(logDir))).map(_.toSeq)
+ .getOrElse(Seq[FileStatus]())
+ val logInfos = statusList
+ .filter { entry =>
+ try {
+ val isFinishedApplication =
+ if (isLegacyLogDirectory(entry)) {
+ fs.exists(new Path(entry.getPath(), APPLICATION_COMPLETE))
+ } else {
+
!entry.getPath().getName().endsWith(EventLoggingListener.IN_PROGRESS)
+ }
+
+ if (isFinishedApplication) {
+ val modTime = getModificationTime(entry)
+ newLastModifiedTime = math.max(newLastModifiedTime, modTime)
+ modTime >= lastModifiedTime
+ } else {
+ false
+ }
+ } catch {
+ case e: AccessControlException =>
+ // Do not use "logInfo" since these messages can get pretty
noisy if printed on
+ // every poll.
+ logDebug(s"No permission to read $entry, ignoring.")
--- End diff --
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