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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/28 15:58:15 UTC

[GitHub] [arrow] wesm commented on issue #10138: feather read a part of columns slower than read the entire file

wesm commented on issue #10138:
URL: https://github.com/apache/arrow/issues/10138#issuecomment-850516248


   I think this can be mitigated by disabling memory mapping. But in general these code paths have not been especially optimized for high random access latency


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