pitrou commented on a change in pull request #9105:
URL: https://github.com/apache/arrow/pull/9105#discussion_r554926014
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File path: cpp/src/arrow/memory_pool.cc
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@@ -404,14 +499,25 @@ Status mimalloc_memory_pool(MemoryPool** out) {
#endif
}
+static std::unique_ptr<MemoryPool> default_pool = MemoryPool::CreateDefault();
Review comment:
Hmm, nice catch. No, it should point to one of the existing
`system_pool` etc. (so that `default_pool` doesn't differ from e.g.
`jemalloc_pool` when jemalloc is enabled)
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