RussellSpitzer commented on a change in pull request #2328:
URL: https://github.com/apache/iceberg/pull/2328#discussion_r599127928
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File path:
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveTableOperations.java
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@@ -222,11 +252,51 @@ protected void doCommit(TableMetadata base, TableMetadata
metadata) {
throw new RuntimeException("Interrupted during commit", e);
} finally {
- cleanupMetadataAndUnlock(threw, newMetadataLocation, lockId);
+ cleanupMetadataAndUnlock(commitStatus, newMetadataLocation, lockId);
+ }
+ }
+
+ /**
+ * Attempt to load the table and see if any current or past metadata
location matches the one we were attempting
+ * to set. This is used as a last resort when we are dealing with exceptions
that may indicate the commit has
+ * failed but are not proof that this is the case. Past locations must also
be searched on the chance that a second
+ * committer was able to successfully commit on top of our commit.
+ *
+ * @param newMetadataLocation the path of the new commit file
+ * @param config metadata to use for configuration
+ * @return Commit Status of Success, Failure or Unknown
+ */
+ private CommitStatus checkCommitStatus(String newMetadataLocation,
TableMetadata config) {
+ int maxAttempts = PropertyUtil.propertyAsInt(config.properties(),
COMMIT_NUM_STATUS_CHECKS,
+ COMMIT_NUM_STATUS_CHECKS_DEFAULT);
+
+ for (int attempt = 1; attempt <= maxAttempts; attempt++) {
Review comment:
I considered this but I didn't like how I have to set the return value
inside of the lambda and can't return from there. I also can't count the number
of attempts without another counter, maybe that's a good addition for the task
API an "onFailure(item, Exception, Attempt)"
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