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Posted to github@arrow.apache.org by "vkhodygo (via GitHub)" <gi...@apache.org> on 2023/11/13 19:19:09 UTC

Re: [I] [Python][C++] Slow table slice when the table has many chunks [arrow]

vkhodygo commented on issue #35126:
URL: https://github.com/apache/arrow/issues/35126#issuecomment-1808868629

   I recently started experiencing the same problem. I've got about 500-1000 chunks per dataset, all stored in memory, and `take` takes a few minutes to access a single (!) element. Regardless of how slow and outdated your hardware is such low speeds are beyond any comprehension.


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