rui-mo commented on code in PR #11249:
URL: 
https://github.com/apache/incubator-gluten/pull/11249#discussion_r2589042375


##########
cpp/velox/memory/VeloxMemoryManager.cc:
##########
@@ -445,27 +445,11 @@ bool VeloxMemoryManager::tryDestructSafe() {
 }
 
 VeloxMemoryManager::~VeloxMemoryManager() {
-  static const uint32_t kWaitTimeoutMs = 
FLAGS_gluten_velox_async_timeout_on_task_stopping; // 30s by default
-  uint32_t accumulatedWaitMs = 0UL;
   bool destructed = false;
-  for (int32_t tryCount = 0; accumulatedWaitMs < kWaitTimeoutMs; tryCount++) {

Review Comment:
   @zhztheplayer Is this patch 
(https://github.com/facebookincubator/velox/commit/059ffcbeac2523a5eade65007adf0319829a7c4e)
 intended for the purpose you mentioned? I noticed the calling of cancel would 
do nothing right now. If we proceed this way, it would differ a bit from 
importing https://github.com/facebookincubator/velox/pull/14722 or customizing 
buffered input in Gluten. However, the fix would become more like 
https://github.com/facebookincubator/velox/pull/8205, which releases the load 
through table scan's close.



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