Acero is indeed plagued by "Java syndrome". However honestly Velox looks better, it's not as good as ClickHouse but working on it does not leave a "bruh Apache

Acero is indeed plagued by "Java syndrome". However honestly Velox looks better, it's not as good as ClickHouse but working on it does not leave a "bruh Apache Arrow bruh shared_ptr everywhere bruh" bad taste in my mouth. And it does not use Apache Arrow C++, it implemented its own with Arrow compatible memory layout.