zentol commented on a change in pull request #8430: [FLINK-12068] [runtime]
Backtrack failover regions if intermediate results are unavailable
URL: https://github.com/apache/flink/pull/8430#discussion_r284174372
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/failover/flip1/FailoverRegion.java
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@@ -33,18 +30,21 @@
*/
public class FailoverRegion {
+ /** All vertex IDs in this region. */
+ private final Set<ExecutionVertexID> executionVertexIDs;
+
/** All vertices in this region. */
- private final Map<ExecutionVertexID, FailoverVertex> executionVertices;
+ private final Set<FailoverVertex> executionVertices;
Review comment:
Is this a space optimization?
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