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[SPARK-9801][Streaming]Check if file exists before deleting temporary files. #8082

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viadea wants to merge 3 commits into from
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[SPARK-9801][Streaming]Check if file exists before deleting temporary files. #8082

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087daf0
SPARK-9801
viadea Aug 10, 2015
fd143f2
[SPARK-9801][Streaming]Check if backupFile exists before deleting bac…
viadea Aug 10, 2015
242d05f
[SPARK-9801][Streaming]No need to check the existence of those files
viadea Aug 10, 2015
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8 changes: 6 additions & 2 deletions streaming/src/main/scala/org/apache/spark/streaming/Checkpoint.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -192,7 +192,9 @@ class CheckpointWriter(
+ "'")

// Write checkpoint to temp file
fs.delete(tempFile, true) // just in case it exists
if (fs.exists(tempFile)) {
fs.delete(tempFile, true) // just in case it exists
}
val fos = fs.create(tempFile)
Utils.tryWithSafeFinally {
fos.write(bytes)
Expand All @@ -203,7 +205,9 @@ class CheckpointWriter(
// If the checkpoint file exists, back it up
// If the backup exists as well, just delete it, otherwise rename will fail
if (fs.exists(checkpointFile)) {
fs.delete(backupFile, true) // just in case it exists
if (fs.exists(backupFile)){
fs.delete(backupFile, true) // just in case it exists
}
if (!fs.rename(checkpointFile, backupFile)) {
logWarning("Could not rename " + checkpointFile + " to " + backupFile)
}
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