[jira] [Created] (ARROW-913) [Python] Only link jemalloc to the Cython extension where it's needed

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

Wes McKinney created ARROW-913:
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             Summary: [Python] Only link jemalloc to the Cython extension where it's needed
                 Key: ARROW-913
                 URL: https://issues.apache.org/jira/browse/ARROW-913
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Python
            Reporter: Wes McKinney


see https://github.com/apache/arrow/blob/master/python/CMakeLists.txt#L319

If the user does not have jemalloc installed, it would be better to defer the library load failure until they try to use the jemalloc-based memory allocator. See e.g.

https://issues.apache.org/jira/browse/ARROW-909



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