Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5653#discussion_r172809760
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CompletedCheckpoint.java
---
@@ -290,16 +289,14 @@ public static boolean checkpointsMatch(
Collection<CompletedCheckpoint> first,
Collection<CompletedCheckpoint> second) {
- Set<Tuple2<Long, JobID>> firstInterestingFields =
- new HashSet<>();
+ List<Tuple2<Long, JobID>> firstInterestingFields = new
ArrayList<>();
for (CompletedCheckpoint checkpoint : first) {
--- End diff --
For stability purposes we may want to check whether the input collections
are actually sorted.. I know that the sole user
`ZooKeeperCompletedCheckpointStore` does in fact pass sorted lists, but
technically there's no guarantee at the moment.
---
