�� ���� ���@���_go Email: lixia@pingcap.com Agenda mongodb introduction gonzo with memory engine gonzo with TiKV engine TiDB and TiKV Transaction Q & A mongodb introduction mongodb ������������ gonzo with memory engine �� mongo ����� �������������������������������� ��������� gonzo with memory engine �� gonzo with memory engine insert �� gonzo with memory engine engine find �� gonzo with TiKV engine ������ insert � find ��� ��������� � TiDB ����� schema ��� table ���� �� TiDB ����� RunInNewTxn ���� TiKV �������� TiDB �� gonzo with TiKV engine