TsReaper commented on a change in pull request #12122:
URL: https://github.com/apache/flink/pull/12122#discussion_r424864050
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
##########
@@ -432,6 +434,20 @@ private StreamConfig createJobVertex(
chainedNames.get(streamNodeId),
jobVertexId,
operatorIDPairs);
+ if (streamNode.getOperatorFactory() instanceof
CoordinatedOperatorFactory) {
+ OperatorCoordinator.Provider
coordinatorProvider =
+
((CoordinatedOperatorFactory<?>) streamNode
+
.getOperatorFactory())
+
.getCoordinatorProvider(
+
chainedNames.get(streamNodeId),
+
new OperatorID(hashes.get(streamNodeId)));
+ try {
+ jobVertex.addOperatorCoordinator(new
SerializedValue<>(coordinatorProvider));
+ } catch (IOException e) {
+ throw new
FlinkRuntimeException(String.format(
+ "Coordinator Provider
for node %s is not serializable.", chainedNames.get(streamNodeId)));
+ }
+ }
Review comment:
This will only add the coordinator of the head of the operator chain
into the job vertex, coordinators of other operators will be lost.
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