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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/10/12 08:49:00 UTC

[GitHub] [arrow] pitrou commented on pull request #8401: ARROW-10109: [Rust] Add support to the C data interface for primitive types and utf8

pitrou commented on pull request #8401:
URL: https://github.com/apache/arrow/pull/8401#issuecomment-706978167


   > memory allocation counts (I am still trying to find a way of doing this in Rust)
   
   Just FTR, in C++ we have a global function that returns the number of currently Arrow-allocated bytes. This helps us write crude resource allocation tests (here through the Python wrapper `pyarrow.get_total_allocated_bytes`):
   https://github.com/apache/arrow/blob/master/python/pyarrow/tests/test_cffi.py#L116-L131
   
   Another possibility would be to use the callback facility on your `Bytes` object to check that the destructor was called at some point.
   


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