rdblue commented on a change in pull request #2552:
URL: https://github.com/apache/iceberg/pull/2552#discussion_r635554518
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File path: core/src/main/java/org/apache/iceberg/MergingSnapshotProducer.java
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@@ -390,7 +394,16 @@ protected void validateDataFilesExist(TableMetadata base,
Long startingSnapshotI
@Override
public Object updateEvent() {
long snapshotId = snapshotId();
- long sequenceNumber = ops.refresh().snapshot(snapshotId).sequenceNumber();
+ Snapshot justSaved = ops.refresh().snapshot(snapshotId);
+ long sequenceNumber = TableMetadata.INVALID_SEQUENCE_NUMBER;
+ if (justSaved == null) {
+ // The snapshot just saved may not be present if the latest metadata
couldn't be loaded due to eventual
+ // consistency problems in refresh.
+ LOG.warn("Failed to load committed snapshot, leave its sequence number
to an invalid number(-1)");
Review comment:
No need for back-off. That is handled by the table operations when it
tries to load the new metadata. All this needs to do is handle the case where
the table metadata can't be loaded.
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