Github user StefanRRichter commented on a diff in the pull request: https://github.com/apache/flink/pull/5465#discussion_r169099948 --- Diff: flink-contrib/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBMapState.java --- @@ -520,7 +530,7 @@ private boolean underSameKey(byte[] rawKeyBytes) { return false; } - for (int i = 0; i < keyPrefixBytes.length; ++i) { + for (int i = keyPrefixBytes.length - 1; i >= backend.getKeyGroupPrefixBytes(); --i) { --- End diff -- nit: maybe `for (int i = keyPrefixBytes.length; --i >= backend.getKeyGroupPrefixBytes();)` looks a bit cleaner.
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