Method TryConsume

be/src/runtime/mem-tracker.cc:574–585

}

Status ScopedMemTracker::TryConsume(int64_t size) {
  DCHECK(tracker_ != nullptr);
  if (tracker_->TryConsume(size)) {
    size_ += size;
  } else {
    Status status = tracker_->MemLimitExceeded(
        nullptr, "Failed to allocate memory required by DecodeBuffer", size);
    tracker_ = nullptr;
    return status;
  }
  return Status::OK();
}

ScopedMemTracker::~ScopedMemTracker() {
  if (tracker_ != nullptr && size_ > 0) {