[SPARK-17547] Ensure temp shuffle data file is cleaned up after error #15104
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When reviewing this change, it may help to look at the whitespace-free diff: https://github.com/apache/spark/pull/15104/files?w=0 |
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Test build #65403 has finished for PR 15104 at commit
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cc @zsxwing |
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LGTM |
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I'm going to merge this to master and branch-2.0 and I'll also see whether it can be cleanly cherry-picked to branch-1.6. |
asfgit
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Sep 15, 2016
SPARK-8029 (#9610) modified shuffle writers to first stage their data to a temporary file in the same directory as the final destination file and then to atomically rename this temporary file at the end of the write job. However, this change introduced the potential for the temporary output file to be leaked if an exception occurs during the write because the shuffle writers' existing error cleanup code doesn't handle deletion of the temp file. This patch avoids this potential cause of disk-space leaks by adding `finally` blocks to ensure that temp files are always deleted if they haven't been renamed. Author: Josh Rosen <[email protected]> Closes #15104 from JoshRosen/cleanup-tmp-data-file-in-shuffle-writer. (cherry picked from commit 5b8f737) Signed-off-by: Josh Rosen <[email protected]>
asfgit
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Sep 15, 2016
SPARK-8029 (#9610) modified shuffle writers to first stage their data to a temporary file in the same directory as the final destination file and then to atomically rename this temporary file at the end of the write job. However, this change introduced the potential for the temporary output file to be leaked if an exception occurs during the write because the shuffle writers' existing error cleanup code doesn't handle deletion of the temp file. This patch avoids this potential cause of disk-space leaks by adding `finally` blocks to ensure that temp files are always deleted if they haven't been renamed. Author: Josh Rosen <[email protected]> Closes #15104 from JoshRosen/cleanup-tmp-data-file-in-shuffle-writer. (cherry picked from commit 5b8f737) Signed-off-by: Josh Rosen <[email protected]>
zzcclp
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Sep 19, 2016
SPARK-8029 (apache#9610) modified shuffle writers to first stage their data to a temporary file in the same directory as the final destination file and then to atomically rename this temporary file at the end of the write job. However, this change introduced the potential for the temporary output file to be leaked if an exception occurs during the write because the shuffle writers' existing error cleanup code doesn't handle deletion of the temp file. This patch avoids this potential cause of disk-space leaks by adding `finally` blocks to ensure that temp files are always deleted if they haven't been renamed. Author: Josh Rosen <[email protected]> Closes apache#15104 from JoshRosen/cleanup-tmp-data-file-in-shuffle-writer. (cherry picked from commit 5b8f737) Signed-off-by: Josh Rosen <[email protected]> (cherry picked from commit 8646b84)
wgtmac
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Sep 19, 2016
SPARK-8029 (apache#9610) modified shuffle writers to first stage their data to a temporary file in the same directory as the final destination file and then to atomically rename this temporary file at the end of the write job. However, this change introduced the potential for the temporary output file to be leaked if an exception occurs during the write because the shuffle writers' existing error cleanup code doesn't handle deletion of the temp file. This patch avoids this potential cause of disk-space leaks by adding `finally` blocks to ensure that temp files are always deleted if they haven't been renamed. Author: Josh Rosen <[email protected]> Closes apache#15104 from JoshRosen/cleanup-tmp-data-file-in-shuffle-writer.
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SPARK-8029 (#9610) modified shuffle writers to first stage their data to a temporary file in the same directory as the final destination file and then to atomically rename this temporary file at the end of the write job. However, this change introduced the potential for the temporary output file to be leaked if an exception occurs during the write because the shuffle writers' existing error cleanup code doesn't handle deletion of the temp file.
This patch avoids this potential cause of disk-space leaks by adding
finallyblocks to ensure that temp files are always deleted if they haven't been renamed.