paleolimbot commented on PR #14250:
URL: https://github.com/apache/arrow/pull/14250#issuecomment-1324082795
> By the way, I actually reproduce the issue on git master, so the issue is
not specifically with this PR, right?
When we started this conversation I had tried both and the hanging was
specific to this PR, but very possible that some other code change affected
that (I tested with Arrow 10.0.0 via `install.packages("arrow")` which included
some cancellation features and this does work there). You're welcome to defer
that to another PR but it's not something that I have any idea how to fix.
I am going to revisit the section of code that's hanging on the R side
(specifically, I'm going to try avoiding the IO thread pool to launch the "do
arrow stuff" thread) soon whilst trying to fix #14582 in a more permanent way
and perhaps that may be a good time to revisit.
> I see that the R Arrow bindings are compiled with -O2, is there a way to
disable that to get better debugging?
Yes...I will add it to the Dockerfile later today. It's along the lines of
`mkdir ~/.R && echo "CXX17FLAGS := -g -O0" > .R/Makevars` but it always takes
me a few tries.
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