Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14371#discussion_r72315005
--- Diff:
core/src/main/scala/org/apache/spark/rdd/ReliableCheckpointRDD.scala ---
@@ -166,17 +166,25 @@ private[spark] object ReliableCheckpointRDD extends
Logging {
val tempOutputPath =
new Path(outputDir,
s".$finalOutputName-attempt-${ctx.attemptNumber()}")
- if (fs.exists(tempOutputPath)) {
- throw new IOException(s"Checkpoint failed: temporary path
$tempOutputPath already exists")
- }
val bufferSize = env.conf.getInt("spark.buffer.size", 65536)
- val fileOutputStream = if (blockSize < 0) {
- fs.create(tempOutputPath, false, bufferSize)
- } else {
- // This is mainly for testing purpose
- fs.create(tempOutputPath, false, bufferSize,
- fs.getDefaultReplication(fs.getWorkingDirectory), blockSize)
+ val fileOutputStream = try {
+ if (blockSize < 0) {
+ fs.create(tempOutputPath, false, bufferSize)
+ } else {
+ // This is mainly for testing purpose
+ fs.create(tempOutputPath, false, bufferSize,
+ fs.getDefaultReplication(fs.getWorkingDirectory), blockSize)
+ }
+ } catch {
+ case e: IOException =>
+ // could be FileAlreadyExistsException, or a more fundamental
create failure
--- End diff --
Do you want to catch for this separately then, rather than re-check whether
it exists?
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