bryanck commented on code in PR #12372:
URL: https://github.com/apache/iceberg/pull/12372#discussion_r1966908971
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kafka-connect/kafka-connect/src/main/java/org/apache/iceberg/connect/IcebergSinkTask.java:
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@@ -46,26 +45,31 @@ public String version() {
@Override
public void start(Map<String, String> props) {
this.config = new IcebergSinkConfig(props);
+ catalog = CatalogUtils.loadCatalog(config);
+ committer = CommitterFactory.createCommitter(catalog, config, context);
}
@Override
public void open(Collection<TopicPartition> partitions) {
- Preconditions.checkArgument(catalog == null, "Catalog already open");
- Preconditions.checkArgument(committer == null, "Committer already open");
-
- catalog = CatalogUtils.loadCatalog(config);
- committer = CommitterFactory.createCommitter(config);
- committer.start(catalog, config, context);
+ if(committer.isLeader(partitions)) {
+ committer.start(ResourceType.COORDINATOR);
+ }
+ committer.syncLastCommittedOffsets();
}
@Override
public void close(Collection<TopicPartition> partitions) {
- close();
+ // We need to close worker here in every case to ensure exactly once.
+ committer.stop(ResourceType.WORKER);
+ if(committer.isLeader(partitions)) {
Review Comment:
The name `isLeader` now that it has been reworked, we should rename it.
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