[jira] [Created] (ARROW-5743) [C++] Add CMake option to enable "large memory" unit tests

["Wes McKinney (JIRA)" <ji...@apache.org>]

Wes McKinney created ARROW-5743:
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             Summary: [C++] Add CMake option to enable "large memory" unit tests
                 Key: ARROW-5743
                 URL: https://issues.apache.org/jira/browse/ARROW-5743
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney
             Fix For: 1.0.0


We have a number of unit tests that need to exercise code paths where memory in excess of 2-4GB is allocated. Some of these are marked as {{DISABLED_*}} in googletest which seems to be a recipe for bitrot.

I propose instead to have a CMake option that sets a compiler definition to enable these tests at build time, so that they can be run regularly on machines that have adequate RAM (i.e. not public CI services)



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