Yang Jie created SPARK-38847:
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             Summary: Introduce a `viewToSeq` function for `KVUtils`
                 Key: SPARK-38847
                 URL: https://issues.apache.org/jira/browse/SPARK-38847
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core, SQL
    Affects Versions: 3.4.0
            Reporter: Yang Jie


There are many codes in spark that convert KVStoreView into `List`, and these 
codes will not close `KVStoreIterator`, these resources are mainly recycled by 
`finalize()` method implemented in `LevelDB` and `RockSB`, this makes 
`KVStoreIterator` resource recycling unpredictable.



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