westonpace commented on code in PR #14516:
URL: https://github.com/apache/arrow/pull/14516#discussion_r1005810678
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python/pyarrow/tests/test_dataset.py:
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@@ -491,6 +491,23 @@ def test_scanner(dataset, dataset_reader):
assert sorted_table['__last_in_fragment'].to_pylist() == [True] * 10
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+def test_scanner_memory_pool(dataset):
+ # honor default pool - https://issues.apache.org/jira/browse/ARROW-18164
+ old_pool = pa.default_memory_pool()
+ # pool = pa.proxy_memory_pool(old_pool)
+ pool = pa.system_memory_pool()
Review Comment:
It's specific to the proxy pool because if you just switch out
system/jemalloc your aren't destroying the old pool (so the reference is still
valid). With the proxy pool you are destroying the old pool.
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