hk-lrzy commented on a change in pull request #2600:
URL: https://github.com/apache/hudi/pull/2600#discussion_r583366344
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/operator/partitioner/BucketAssignFunction.java
##########
@@ -136,15 +137,10 @@ public void open(Configuration parameters) throws
Exception {
new SerializableConfiguration(this.hadoopConf),
new FlinkTaskContextSupplier(getRuntimeContext()));
this.bucketAssigner = new BucketAssigner(context, writeConfig);
- List<String> allPartitionPaths = FSUtils.getAllPartitionPaths(this.context,
- this.conf.getString(FlinkOptions.PATH), false, false, false);
- final int parallelism = getRuntimeContext().getNumberOfParallelSubtasks();
- final int maxParallelism =
getRuntimeContext().getMaxNumberOfParallelSubtasks();
- final int taskID = getRuntimeContext().getIndexOfThisSubtask();
- // reference: org.apache.flink.streaming.api.datastream.KeyedStream
- this.initialPartitionsToLoad = allPartitionPaths.stream()
- .filter(partition ->
KeyGroupRangeAssignment.assignKeyToParallelOperator(partition, maxParallelism,
parallelism) == taskID)
- .collect(Collectors.toList());
+
+ // initialize and check the partitions load state
+ loadInitialPartitions();
+ checkPartitionsLoaded();
Review comment:
I have some doubts about this, because the current key of the keycontext
has not been set, so the key state of flink cannot be accessed in the open
method. Should we move this method to processElement? If possible, I can submit
a patch. thanks.
```
private void checkKeyNamespacePreconditions(K key, N namespace) {
Preconditions.checkNotNull(key, "No key set. This method should
not be called outside of a keyed context.");
Preconditions.checkNotNull(namespace, "Provided namespace is
null.");
}
```
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