zhztheplayer commented on code in PR #9869:
URL: https://github.com/apache/incubator-gluten/pull/9869#discussion_r2128750144
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cpp/velox/memory/VeloxMemoryManager.h:
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@@ -100,20 +103,24 @@ class VeloxMemoryManager final : public MemoryManager {
private:
bool tryDestructSafe();
+ void dropMemoryPool(const std::string& name);
+
#ifdef GLUTEN_ENABLE_HBM
std::unique_ptr<VeloxMemoryAllocator> wrappedAlloc_;
#endif
- // This is a listenable allocator used for arrow.
- std::unique_ptr<MemoryAllocator> listenableAlloc_;
std::unique_ptr<AllocationListener> listener_;
std::unique_ptr<AllocationListener> blockListener_;
- std::unique_ptr<arrow::MemoryPool> arrowPool_;
+
+ std::shared_ptr<ArrowMemoryPool> defaultArrowPool_;
+ std::unordered_map<std::string, std::weak_ptr<ArrowMemoryPool>> arrowPools_;
Review Comment:
It's understandable to use weak pointers, but I am curious how many instance
will be added to this map in the worst case?
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