[jira] [Created] (ARROW-17800) [C++] Failure in jemalloc stats tests

["Antoine Pitrou (Jira)" <ji...@apache.org>]

Antoine Pitrou created ARROW-17800:
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             Summary: [C++] Failure in jemalloc stats tests
                 Key: ARROW-17800
                 URL: https://issues.apache.org/jira/browse/ARROW-17800
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
            Reporter: Antoine Pitrou
             Fix For: 10.0.0


I just got this when running the tests locally:
{code}
[----------] 2 tests from Jemalloc
[ RUN      ] Jemalloc.SetDirtyPageDecayMillis
[       OK ] Jemalloc.SetDirtyPageDecayMillis (0 ms)
[ RUN      ] Jemalloc.GetAllocationStats
/home/antoine/arrow/dev/cpp/src/arrow/memory_pool_test.cc:218: Failure
The difference between metadata0 and 3000000 is 2962256, which exceeds 1000000, where
metadata0 evaluates to 5962256,
3000000 evaluates to 3000000, and
1000000 evaluates to 1000000.
[  FAILED  ] Jemalloc.GetAllocationStats (0 ms)
[----------] 2 tests from Jemalloc (0 ms total)
{code}

It looks like those checks should be relaxed to allow for more context-dependent behaviour.



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