memory tracking with memory pool #7303
Open
+499
−9
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Which issue does this PR close?
Follow-up of #6590.
Closes #7151.
Rationale for this change
Add
MemoryPool
underarrow-buffer/pool
feature gate. This pool can implement precise memory tracking for Array/Bytes/MutableBuffer etc. Even in a shared buffer. Design credit to @tustvoldWhat changes are included in this PR?
New feature gate
arrow-buffer/pool
.New traits
MemoryPool
andMemoryReservation
.New structs
TrackingMemoryPool
which implementsMemoryPool
for tracking memory usage.Corresponding new API
claim
forBuffer
/MutableBuffer
/Bytes
.Are there any user-facing changes?
Above new feature and APIs.