zjuwangg commented on code in PR #10591:
URL:
https://github.com/apache/incubator-gluten/pull/10591#discussion_r2317862488
##########
gluten-celeborn/src/main/java/org/apache/spark/shuffle/gluten/celeborn/CelebornShuffleManager.java:
##########
@@ -68,46 +67,37 @@ public class CelebornShuffleManager
private static final CelebornColumnarBatchSerializerFactory
columnarBatchSerializerFactory;
static {
+ final String backendName = BackendsApiManager.getBackendName();
final ServiceLoader<CelebornShuffleWriterFactory> loader =
ServiceLoader.load(CelebornShuffleWriterFactory.class);
final List<CelebornShuffleWriterFactory> factoryList =
Arrays.stream(Iterators.toArray(loader.iterator(),
CelebornShuffleWriterFactory.class))
+ .filter(f -> f.backendName().equalsIgnoreCase(backendName))
.collect(Collectors.toList());
Preconditions.checkState(
- !factoryList.isEmpty(), "No factory found for Celeborn shuffle
writer");
- final Map<String, CelebornShuffleWriterFactory> factoryMap =
- factoryList.stream()
-
.collect(Collectors.toMap(CelebornShuffleWriterFactory::backendName, f -> f));
-
- final String backendName = BackendsApiManager.getBackendName();
- if (!factoryMap.containsKey(backendName)) {
- throw new UnsupportedOperationException(
- "No Celeborn shuffle writer factory found for backend " +
backendName);
- }
- writerFactory = factoryMap.get(backendName);
+ !factoryList.isEmpty(),
+ "No Celeborn shuffle writer factory found for backend " + backendName);
+ Preconditions.checkState(
+ factoryList.size() == 1,
+ "Multiple factory found for Celeborn shuffle writer for backend " +
backendName);
+ writerFactory = factoryList.get(0);
- final ServiceLoader<CelebornColumnarBatchSerializerFactory>
- celebornColumnarBatchSerializerFactoriesLoader =
- ServiceLoader.load(CelebornColumnarBatchSerializerFactory.class);
- final List<CelebornColumnarBatchSerializerFactory>
columnarBatchSerializerFactoryList =
+ final ServiceLoader<CelebornColumnarBatchSerializerFactory>
serializerLoader =
+ ServiceLoader.load(CelebornColumnarBatchSerializerFactory.class);
+ final List<CelebornColumnarBatchSerializerFactory> serializerFactoryList =
Arrays.stream(
Iterators.toArray(
- celebornColumnarBatchSerializerFactoriesLoader.iterator(),
- CelebornColumnarBatchSerializerFactory.class))
+ serializerLoader.iterator(),
CelebornColumnarBatchSerializerFactory.class))
+ .filter(f -> f.backendName().equalsIgnoreCase(backendName))
Review Comment:
@PHILO-HE just addressed.
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