zentol commented on a change in pull request #19108:
URL: https://github.com/apache/flink/pull/19108#discussion_r832332164
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
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@@ -144,6 +151,18 @@ public static JobGraph createJobGraph(StreamGraph
streamGraph, @Nullable JobID j
private final StreamGraphHasher defaultStreamGraphHasher;
private final List<StreamGraphHasher> legacyStreamGraphHashers;
+ private final ExecutorService serializationExecutor =
Review comment:
This is important because if you don't you're leaking threads in
application mode and every time the jar job submission is used.
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