Github user steveloughran commented on a diff in the pull request:
https://github.com/apache/spark/pull/14371#discussion_r72451554
--- Diff:
core/src/main/scala/org/apache/spark/rdd/ReliableCheckpointRDD.scala ---
@@ -240,7 +248,7 @@ private[spark] object ReliableCheckpointRDD extends
Logging {
val bufferSize = sc.conf.getInt("spark.buffer.size", 65536)
val partitionerFilePath = new Path(checkpointDirPath,
checkpointPartitionerFileName)
val fs = partitionerFilePath.getFileSystem(sc.hadoopConfiguration)
- if (fs.exists(partitionerFilePath)) {
+ try {
--- End diff --
Seems to me that it can be pulled into the existing try/catch...its the
only place in the codepath which can raise an FNFE; all existing failure modes
(permissions, not a file, etc) would be caught there and log at warning...this
just converts the FNFE to a log at debug event.
-going to do that but adding the stack trace printing in the debug logs.
Noisy, but your support team will love you on the one day it finally happens.
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