 pipelined regions in the scheduler: <a href="//nightlies.apache.org/flink/flink-docs-release-1.14/api/java/org/apache/flink/runtime/jobgraph/topology/LogicalPipelinedRegion.html">LogicalPipelinedRegion</a> and <a href="//nightlies.apache.org/flink/flink-docs-release-1.14/api/java/org/apache/flink/runtime/scheduler/strategy/SchedulingPipelinedRegion.html">SchedulingPipelinedRegion</a>. The LogicalPipelinedRegion denotes the pipelined regions on the logical level. It consists of JobVertices and forms the <a 