StefanRRichter commented on code in PR #22864:
URL: https://github.com/apache/flink/pull/22864#discussion_r1242128808
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flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java:
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@@ -1008,6 +1008,23 @@ private StreamConfig createJobVertex(Integer
streamNodeId, OperatorChainInfo cha
jobVertex.setInvokableClass(streamNode.getJobVertexClass());
+ // Find the minimal max parallelism in the chain for operators that
have a configured max
+ // parallelism (>0). If no operator has max parallelism configured,
returns the default -1.
+ int chainMinimalMaxParallelism =
+ chainInfo.getAllChainedNodes().stream()
+ .mapToInt(StreamNode::getMaxParallelism)
+ .filter(maxParallelism -> maxParallelism > 0)
+ .min()
+ .orElse(-1);
+
+ jobVertex.setMaxParallelism(chainMinimalMaxParallelism);
+
+ boolean anyParallelismInChainConfigured =
+ chainInfo.getAllChainedNodes().stream()
+ .anyMatch(StreamNode::isParallelismConfigured);
+
+ jobVertex.setParallelismConfigured(anyParallelismInChainConfigured);
Review Comment:
If that was true und the chain incomplete, would that not mean that the
current implementation that determines if parallelism is configured would also
be wrong?
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