Zheng Hu created FLINK-27696:
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             Summary: Add bin-pack strategy to split the whole bucket data 
files into several small splits for append-only table.
                 Key: FLINK-27696
                 URL: https://issues.apache.org/jira/browse/FLINK-27696
             Project: Flink
          Issue Type: Sub-task
            Reporter: Zheng Hu


For append-only table,  we don't have to assign each task with a whole bucket 
data files. Instead,  we can use some algorithm ( such as bin-packing) to split 
the whole bucket data files into multiple fragments  to improve the job 
parallelism.



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