RafayAK edited a comment on pull request #8491:
URL: https://github.com/apache/arrow/pull/8491#issuecomment-753345204
So, PyArrow takes a colossal amount of time when building for `aarch64`,
probably because it building from sources each time, and running the build in a
CI with emulation of ARM takes even longer. Can I help in any way to fast-track
this issue, since it seems like it's been dormant for a while?
for reference when building an Airflow container for `aarch64` (5 hrs in and
still at it):
```
Collecting pyarrow<3.0dev,>=1.0.0
Downloading pyarrow-2.0.0.tar.gz (58.9 MB)
Installing build dependencies: started
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
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Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
Installing build dependencies: still running...
```
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