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_r284209417
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/failover/flip1/RestartPipelinedRegionStrategy.java
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@@ -47,8 +50,14 @@
/** The topology containing info about all the vertices and edges. */
private final FailoverTopology topology;
+ /** All failover regions. */
+ private final IdentityHashMap<FailoverRegion, Object> regions;
+
/** Maps execution vertex id to failover region. */
- private final Map<ExecutionVertexID, FailoverRegion> regions;
+ private final Map<ExecutionVertexID, FailoverRegion> vertexToRegionMap;
+
+ /** The checker helps to query result partition availability. */
+ private RegionFailoverResultPartitionAvailabilityChecker
resultPartitionAvailabilityChecker;
Review comment:
can be final
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