pvary commented on code in PR #16015:
URL: https://github.com/apache/iceberg/pull/16015#discussion_r3130140959
##########
flink/v2.1/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/DynamicWriter.java:
##########
@@ -172,34 +182,65 @@ public String toString() {
@Override
public Collection<DynamicWriteResult> prepareCommit() throws IOException {
- List<DynamicWriteResult> result = Lists.newArrayList();
- for (Map.Entry<WriteTarget, TaskWriter<RowData>> entry :
writers.entrySet()) {
- long startNano = System.nanoTime();
- WriteResult writeResult = entry.getValue().complete();
- WriteTarget writeTarget = entry.getKey();
- metrics.updateFlushResult(writeTarget.tableName(), writeResult);
- metrics.flushDuration(
- writeTarget.tableName(),
TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNano));
- LOG.debug(
- "Iceberg writer for table {} subtask {} attempt {} flushed {} data
files and {} delete files",
- writeTarget.tableName(),
- subTaskId,
- attemptId,
- writeResult.dataFiles().length,
- writeResult.deleteFiles().length);
+ List<CompletableFuture<FlushOutcome>> futures =
+ writers.entrySet().stream().map(e -> flushAsync(e.getKey(),
e.getValue())).toList();
+ writers.clear();
+
+ try {
+
CompletableFuture.allOf(futures.toArray(CompletableFuture[]::new)).join();
+ } catch (CompletionException e) {
+ Throwable cause = e.getCause();
+ if (cause instanceof UncheckedIOException uncheckedIOException) {
+ throw uncheckedIOException.getCause();
+ }
+ throw new IOException(cause);
Review Comment:
nit: newline, or else
```suggestion
} else {
throw new IOException(cause);
}
```
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