Wes McKinney created ARROW-8898:
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             Summary: [C++] Determine desirable maximum length for ExecBatch in 
pipelined and parallel execution of kernels
                 Key: ARROW-8898
                 URL: https://issues.apache.org/jira/browse/ARROW-8898
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney


Maximum lengths like 16K or 64K seem to be popular, but we should write our own 
benchmarks so that we can justify the choice of default chunksize



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