Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/3859#discussion_r115714053
--- Diff:
flink-contrib/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBKeyedStateBackend.java
---
@@ -911,9 +915,11 @@ void releaseResources(boolean canceled) {
if (canceled) {
List<StateObject> statesToDiscard = new
ArrayList<>();
--- End diff --
We could also preallocate the size of `statesToDiscard` as the sum all
things we are planning to insert in the next step.
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