Github user StefanRRichter commented on a diff in the pull request: https://github.com/apache/flink/pull/6062#discussion_r191732272 --- Diff: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/InternalTimersSnapshotReaderWriters.java --- @@ -96,7 +96,7 @@ public AbstractInternalTimersSnapshotWriter(InternalTimersSnapshot<K, N> timersS public final void writeTimersSnapshot(DataOutputView out) throws IOException { writeKeyAndNamespaceSerializers(out); - InternalTimer.TimerSerializer<K, N> timerSerializer = new InternalTimer.TimerSerializer<>( + TimerHeapInternalTimer.TimerSerializer<K, N> timerSerializer = new TimerHeapInternalTimer.TimerSerializer<>( --- End diff -- I think this is ok for the moment and we can adjust in case there will ever be another implementation of `InternalTimer `
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