[jira] [Created] (ARROW-14187) [Python] File reading regression

[Jonathan Keane (Jira)]

Jonathan Keane created ARROW-14187:
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             Summary: [Python] File reading regression
                 Key: ARROW-14187
                 URL: https://issues.apache.org/jira/browse/ARROW-14187
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Jonathan Keane


After ARROW-6626 was merged, we're seeing a slow down in file reading 
benchmarks:

One example: 
https://conbench.ursa.dev/benchmarks/b92e91fe8a4041148360d9433552277b/



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