[GitHub] [arrow] kszucs commented on a change in pull request #9161: ARROW-11049: [Python] Expose alternate memory pools

[GitBox <gi...@apache.org>]

kszucs commented on a change in pull request #9161:
URL: https://github.com/apache/arrow/pull/9161#discussion_r555185906



##########
File path: python/pyarrow/memory.pxi
##########
@@ -127,6 +127,44 @@ def logging_memory_pool(MemoryPool parent):
     return out
 
 
+def system_memory_pool():
+    """
+    Return a memory pool based on the C malloc heap.
+    """
+    cdef:
+        MemoryPool pool = MemoryPool.__new__(MemoryPool)
+    pool.init(c_system_memory_pool())
+    return pool
+
+
+def jemalloc_memory_pool():
+    """
+    Return a memory pool based on the jemalloc heap.
+
+    NotImplemented is raised if this Arrow build does not enable jemalloc.

Review comment:
       Perhaps you should add a bit more context about where we use the allocators. Like jemalloc is used and enabled in our packages. 




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