morningman commented on a change in pull request #4345:
URL: https://github.com/apache/incubator-doris/pull/4345#discussion_r469306197
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File path: be/src/runtime/mem_tracker.h
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@@ -588,14 +579,18 @@ class PoolMemTrackerRegistry {
/// with the process tracker as its parent. There is no explicit per-pool
byte_limit
/// set at any particular impalad, so newly created trackers will always
have a limit
/// of -1.
+ /// TODO(cmy): this method is not used for now. the memtracker returned from
here is
+ /// got from a shared_ptr in `pool_to_mem_trackers_`.
+ /// I don't know why it need to return a raw pointer.
+ /// If this method be further used, please notice that.
Review comment:
Okay, since this function has not been used yet, I will change the
return value to shared_ptr
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