parisni commented on code in PR #6580:
URL: https://github.com/apache/hudi/pull/6580#discussion_r973439309
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hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/clean/CleanPlanActionExecutor.java:
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@@ -110,9 +112,15 @@ HoodieCleanerPlan requestClean(HoodieEngineContext
context) {
context.setJobStatus(this.getClass().getSimpleName(), "Generating list
of file slices to be cleaned: " + config.getTableName());
Map<String, Pair<Boolean, List<CleanFileInfo>>>
cleanOpsWithPartitionMeta = context
- .map(partitionsToClean, partitionPathToClean ->
Pair.of(partitionPathToClean, planner.getDeletePaths(partitionPathToClean)),
cleanerParallelism)
+ .parallelize(partitionsToClean, cleanerParallelism)
+ .mapPartitions((Iterator<String> it) -> {
+ List<String> list = new ArrayList<>();
+ it.forEachRemaining(list::add);
+ Map<String, Pair<Boolean, List<CleanFileInfo>>> res =
planner.getDeletePaths(list);
+ return res.entrySet().iterator();
+ }, false).collectAsList()
.stream()
- .collect(Collectors.toMap(Pair::getKey, Pair::getValue));
+ .collect(Collectors.toMap(it -> it.getKey(), it -> it.getValue()));
Review Comment:
``Pair::getX` is not applicable anymore since the stream type has changed
from `Stream<Pair...>` to `Stream<Entry...>`
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