Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/17135#discussion_r104077402
--- Diff:
core/src/main/scala/org/apache/spark/rdd/ReliableCheckpointRDD.scala ---
@@ -181,21 +181,26 @@ private[spark] object ReliableCheckpointRDD extends
Logging {
serializeStream.writeAll(iterator)
} {
serializeStream.close()
+ fileOutputStream.close()
}
- if (!fs.rename(tempOutputPath, finalOutputPath)) {
- if (!fs.exists(finalOutputPath)) {
- logInfo(s"Deleting tempOutputPath $tempOutputPath")
- fs.delete(tempOutputPath, false)
- throw new IOException("Checkpoint failed: failed to save output of
task: " +
- s"${ctx.attemptNumber()} and final output path does not exist:
$finalOutputPath")
- } else {
- // Some other copy of this task must've finished before us and
renamed it
- logInfo(s"Final output path $finalOutputPath already exists; not
overwriting it")
- if (!fs.delete(tempOutputPath, false)) {
- logWarning(s"Error deleting ${tempOutputPath}")
+ try {
--- End diff --
Agreed with @srowen , `FileSystem` is a cached object, closing it means
removed it from cache. I don't think we need to call this explicitly. Because
by default it is designed to be shared.
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