rdblue commented on a change in pull request #3120:
URL: https://github.com/apache/iceberg/pull/3120#discussion_r711822246
##########
File path: api/src/main/java/org/apache/iceberg/io/CloseableIterable.java
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@@ -117,6 +118,14 @@ public O next() {
};
}
+ static <E> CloseableIterable<E> combine(Iterable<? extends Iterable<E>>
iterable,
+ ExecutorService executorService,
+ int parallelism) {
+ Preconditions.checkNotNull(executorService, "ExecutorService shouldn't be
null");
+ Preconditions.checkArgument(parallelism > 0, "Parallelism must be > 0");
+ return new ParallelIterable<>(iterable, executorService, parallelism);
Review comment:
If parallelism is 1, this should just call `concat` right?
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