Hyunseok Seo

I attached the benchmark result. gandiva-micro-benchmarks.txt ```txt Unable to determine clock rate from sysctl: hw.cpufrequency: No such file or directory This does not affect benchmark measurements, only the metadata output....

thank you for review. Based on what I've looked into, it seems like the changes needed for the Gandiva benchmark are only in this file. https://github.com/search?q=repo%3Aapache%2Farrow%20path%3A%2F%5Ecpp%5C%2Fsrc%5C%2Fgandiva%5C%2Ftests%5C%2F%2F%20BENCHMARK&type=code

> There's an [Abseil's article](https://abseil.io/about/design/swisstables) and a [CppCon talk](https://www.youtube.com/watch?v=ncHmEUmJZf4) that provide a good intro. The key idea is, when looking up a key via linear probing, it can check multiple...

@bkietz Hello. Is this your intention in creating the issue? Also, thank you for creating the issue. It helped me spot and remove some code I missed.

@bkietz I got it.

### For recoding #### glib test log test log ```bash  BUNDLE_GEMFILE=../c_glib/Gemfile bundle exec ../c_glib/test/run-test.sh [72/81] Generating arrow-flight-glib/ArrowFlight-1.0.gir with a custom command (wrapped by meson to set env) Package 'arrow',...

Could you help me identify any broken workflows related to Python? I searched the codebase for `CastTo`, but couldn't find it in the Python parts. I'm puzzled as to why...

We want to address issues that are connected with other languages (`ruby`, `python`..) first, especially those parts that can be solved independently for each language. - #40023