liming30 commented on code in PR #1301:
URL: https://github.com/apache/incubator-paimon/pull/1301#discussion_r1218812614
##########
paimon-flink/paimon-flink-common/src/main/java/org/apache/paimon/flink/source/StaticFileStoreSource.java:
##########
@@ -53,11 +68,43 @@ public SplitEnumerator<FileStoreSourceSplit,
PendingSplitsCheckpoint> restoreEnu
PendingSplitsCheckpoint checkpoint) {
Collection<FileStoreSourceSplit> splits =
checkpoint == null ? getSplits() : checkpoint.splits();
- return new StaticFileStoreSplitEnumerator(context, null, splits,
splitBatchSize);
+ SplitAssigner splitAssigner =
+ createSplitAssigner(context, splitBatchSize, splitAssignMode,
splits);
+ return new StaticFileStoreSplitEnumerator(context, null,
splitAssigner);
}
private List<FileStoreSourceSplit> getSplits() {
FileStoreSourceSplitGenerator splitGenerator = new
FileStoreSourceSplitGenerator();
return splitGenerator.createSplits(readBuilder.newScan().plan());
}
+
+ public static SplitAssigner createSplitAssigner(
+ SplitEnumeratorContext<FileStoreSourceSplit> context,
+ int splitBatchSize,
+ SplitAssignMode splitAssignMode,
+ Collection<FileStoreSourceSplit> splits) {
+ switch (splitAssignMode) {
+ case FAIR:
+ return new FairSplitAssigner(
+ splitBatchSize,
+ createSplitAssignment(splits,
context.currentParallelism()));
+ case PREEMPTIVE:
+ return new PreemptiveSplitAssigner(new LinkedList<>(splits));
+ default:
+ throw new UnsupportedOperationException(
+ "Unsupported assign mode " +
splitAssignMode.toString());
+ }
+ }
+
+ private static Map<Integer, LinkedList<FileStoreSourceSplit>>
createSplitAssignment(
Review Comment:
resolved.
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