jshmchenxi commented on a change in pull request #2800:
URL: https://github.com/apache/iceberg/pull/2800#discussion_r667424616
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File path: spark2/src/main/java/org/apache/iceberg/spark/source/Reader.java
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@@ -227,11 +246,17 @@ public StructType readSchema() {
Broadcast<Table> tableBroadcast =
sparkContext.broadcast(SerializableTable.copyOf(table));
List<InputPartition<InternalRow>> readTasks = Lists.newArrayList();
- for (CombinedScanTask task : tasks()) {
- readTasks.add(new ReadTask<>(
- task, tableBroadcast, expectedSchemaString, caseSensitive,
- localityPreferred, InternalRowReaderFactory.INSTANCE));
- }
+ Tasks.foreach(tasks())
+ .stopOnFailure()
+ .executeWith(readTasksInitExecutorService)
+ .run(task -> {
+ InputPartition<InternalRow> readTask = new ReadTask<>(
+ task, tableBroadcast, expectedSchemaString, caseSensitive,
+ localityPreferred, InternalRowReaderFactory.INSTANCE);
+ synchronized (readTasks) {
+ readTasks.add(readTask);
Review comment:
Okay!
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