pitrou commented on a change in pull request #8401:
URL: https://github.com/apache/arrow/pull/8401#discussion_r513593830
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File path: rust/arrow/src/memory.rs
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@@ -135,6 +135,10 @@ const FALLBACK_ALIGNMENT: usize = 1 << 6;
/// If you use allocation methods shown here you won't have any problems.
const BYPASS_PTR: NonNull<u8> = unsafe { NonNull::new_unchecked(ALIGNMENT as
*mut u8) };
+#[cfg(feature = "memory-check")]
+// If this number is not zero after all objects have been `drop`, there is a
memory leak
+pub static mut ALLOCATIONS: i32 = 0;
Review comment:
Oh, and by the way, this is a very interested read:
https://travisdowns.github.io/blog/2020/07/06/concurrency-costs.html
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