kszucs commented on a change in pull request #7785:
URL: https://github.com/apache/arrow/pull/7785#discussion_r455742169
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File path: dev/tasks/python-wheels/travis.osx.yml
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@@ -64,7 +62,7 @@ install:
# install the built wheel and test dependencies
- install_wheel arrow
# run unit tests before removing the system libraries
- - run_unit_tests arrow
+ - ulimit -S -n 4096 && run_unit_tests arrow
Review comment:
Python 3.7 tests were failing because of too many open files.
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