Method buffer_reservation

be/src/runtime/exec-env.h:159–159

  RpcMgr* rpc_mgr() const { return rpc_mgr_.get(); }
  PoolMemTrackerRegistry* pool_mem_trackers() { return pool_mem_trackers_.get(); }
  ReservationTracker* buffer_reservation() { return buffer_reservation_.get(); }
  BufferPool* buffer_pool() { return buffer_pool_.get(); }
  SystemStateInfo* system_state_info() { return system_state_info_.get(); }