asimsedhain commented on code in PR #9015:
URL: https://github.com/apache/arrow-datafusion/pull/9015#discussion_r1487229118
##########
datafusion/execution/src/memory_pool/pool.rs:
##########
@@ -63,38 +72,89 @@ impl GreedyMemoryPool {
debug!("Created new GreedyMemoryPool(pool_size={pool_size})");
Self {
pool_size,
- used: AtomicUsize::new(0),
+ state: Mutex::new(GreedyMemoryPoolState {
+ pool_members: HashMap::new(),
+ }),
}
}
}
impl MemoryPool for GreedyMemoryPool {
- fn grow(&self, _reservation: &MemoryReservation, additional: usize) {
- self.used.fetch_add(additional, Ordering::Relaxed);
+ fn grow(&self, reservation: &MemoryReservation, additional: usize) {
+ let mut state = self.state.lock();
+ let used = state
+ .pool_members
+ .entry(reservation.consumer().name().into())
Review Comment:
Changed to use hashbrown `HashMap`
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