flyrain edited a comment on pull request #3572:
URL: https://github.com/apache/iceberg/pull/3572#issuecomment-972560879


   I think it makes sense to close `vec` in class `VectorizedArrowReader`. 
`vec` is a private filed and initialized inside the class, for example, here, 
https://github.com/apache/iceberg/blob/d6cbca0c2fb3d10083b304bcbdf16bf51e3b586b/arrow/src/main/java/org/apache/iceberg/arrow/vectorized/VectorizedArrowReader.java#L304
   
   We should close it inside the class as well.
   Instead of removing the close logic in class `VectorizedArrowReader`, I'd 
recommend to use `reader::close` instead of `vectorHolders::close` in the 
method `BaseBatchReader::closeVectors`
   
https://github.com/apache/iceberg/blob/d6cbca0c2fb3d10083b304bcbdf16bf51e3b586b/arrow/src/main/java/org/apache/iceberg/arrow/vectorized/BaseBatchReader.java#L55


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