[GitHub] [iceberg] stevenzwu commented on pull request #2566: Flink : Vectorize read of orc format in flink

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stevenzwu commented on pull request #2566:
URL: https://github.com/apache/iceberg/pull/2566#issuecomment-835118192


   @zhangjun0x01 I am very interested in this PR and the general support of vectorized reader. While working on FLIP-27 Flink source [1], one of the open question is if we should extend from Flink's `FileSourceSplit` and `BulkFormat` for vectorized reader [2]. Now if we are making the effort in Iceberg to support vectorized readers for Orc and Parquet. Then I think we shouldn't need to extend from Flink's vectorized reader.
   
   cc @openinx 
   
   [1] the uber PR for FLIP-27 Iceberg source that are broken down into smaller PRs: https://github.com/apache/iceberg/pull/2105
   [2] PR for the split reader: https://github.com/apache/iceberg/pull/2305 
   


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