BsoBird commented on code in PR #9546:
URL: https://github.com/apache/iceberg/pull/9546#discussion_r1651082514
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core/src/main/java/org/apache/iceberg/hadoop/HadoopTableOperations.java:
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@@ -368,58 +431,63 @@ private void renameToFinal(FileSystem fs, Path src, Path
dst, int nextVersion) {
if (fs.exists(dst)) {
throw new CommitFailedException("Version %d already exists: %s",
nextVersion, dst);
}
-
- if (!fs.rename(src, dst)) {
- CommitFailedException cfe =
- new CommitFailedException("Failed to commit changes using rename:
%s", dst);
- RuntimeException re = tryDelete(src);
- if (re != null) {
- cfe.addSuppressed(re);
- }
- throw cfe;
- }
- } catch (IOException e) {
- CommitFailedException cfe =
- new CommitFailedException(e, "Failed to commit changes using rename:
%s", dst);
- RuntimeException re = tryDelete(src);
- if (re != null) {
- cfe.addSuppressed(re);
+ if (!nextVersionIsLatest(nextVersion, fs)) {
Review Comment:
@Fokko For object stores, fs.rename may leave an incomplete dst file. This
is because many object stores implement the rename operation as write(). As a
result, all of the logic we have implemented in hadooptableOptions is not
really applicable to object stores.
For filesystems that support atomic operations, the list operation should
take an acceptable amount of time if the number of metadata files is not very
large.
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