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Posted to github@datafusion.apache.org by "theirix (via GitHub)" <gi...@apache.org> on 2026/07/14 23:00:59 UTC
[I] perf: preallocate memory in `pad` [datafusion]
theirix opened a new issue, #23587:
URL: https://github.com/apache/datafusion/issues/23587
### Is your feature request related to a problem or challenge?
`pad` is supposedly slow due to the use of `GenericStringBuilder::new` without capacity reservation
### Describe the solution you'd like
Preallocate memory heuristically
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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Re: [I] perf: preallocate memory in `pad` [datafusion]
Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb closed issue #23587: perf: preallocate memory in `pad`
URL: https://github.com/apache/datafusion/issues/23587
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Re: [I] perf: preallocate memory in `pad` [datafusion]
Posted by "theirix (via GitHub)" <gi...@apache.org>.
theirix commented on issue #23587:
URL: https://github.com/apache/datafusion/issues/23587#issuecomment-4974812631
take
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