rdblue commented on a change in pull request #1871:
URL: https://github.com/apache/iceberg/pull/1871#discussion_r535431178
##########
File path:
core/src/main/java/org/apache/iceberg/hadoop/HadoopTableOperations.java
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@@ -161,8 +163,24 @@ public void commit(TableMetadata base, TableMetadata
metadata) {
"Failed to check if next version exists: %s", finalMetadataFile);
}
- // this rename operation is the atomic commit operation
- renameToFinal(fs, tempMetadataFile, finalMetadataFile);
+ if (useAtomicWrite) {
+ // using atomic write
+ try {
+ TableMetadataParser.write(metadata,
io().newOutputFile(finalMetadataFile.toString()));
+ } catch (RuntimeIOException e) {
+ CommitFailedException cfe = new CommitFailedException(
+ "Failed to commit changes using atomic write: %s",
finalMetadataFile.toString());
Review comment:
How do you know that the `RuntimeIOException` indicates a write
conflict? Should we support a conflict exception in the `FileIO` that can be
thrown instead?
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