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2 changes: 2 additions & 0 deletions ci/scripts/cpp_test.sh
Original file line number Diff line number Diff line change
Expand Up @@ -105,9 +105,11 @@ fi
if [ "${ARROW_USE_MESON:-OFF}" = "ON" ]; then
ARROW_BUILD_EXAMPLES=OFF # TODO: Remove this
meson test \
--max-lines=0 \
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I'm not familiar with this option but does this disable log output on failure?

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@WillAyd WillAyd Oct 20, 2025

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By default the test log only shows 100 lines of output. When there are many tests, the error sometimes isn't shown in the logs because it gets buffered out by other content. This makes it so the entire test log is shown on error

We made this same change in #47282, so I figured I'd just pull forwards here to reduce the diff on the other PR. Happy to drop this particular line for now

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Thanks. I'm not have a strong opinion for it. Let's keep this in this PR.

--no-rebuild \
--print-errorlogs \
--suite arrow \
--timeout-multiplier=10 \
"$@"
else
ctest \
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2 changes: 2 additions & 0 deletions cpp/src/arrow/meson.build
Original file line number Diff line number Diff line change
Expand Up @@ -175,6 +175,8 @@ arrow_util_srcs = [
'util/bitmap_builders.cc',
'util/bitmap_ops.cc',
'util/bpacking.cc',
'util/bpacking_scalar.cc',
'util/bpacking_simd_default.cc',
'util/byte_size.cc',
'util/byte_stream_split_internal.cc',
'util/cancel.cc',
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