运行如下语句可以查询某段时间内执行时间排名 TOP N 的请求：

    1. obclient>SELECT/*+ PARALLEL(15)*/ sql_id, elapsed_time , trace_id    
    2.          FROM oceanbase.gv$sql_audit     
    3.          WHERE   tenant_id = 1001 
    4.          and IS_EXECUTOR_RPC = 0 
    5.          and request_time > (time_to_usec(now()) - 10000000) 
    6.          AND request_time < time_to_usec(now()) 
    7.          ORDER BY elapsed_time DESC LIMIT 10;
    9. +----------------------------------+--------------+-------------------------------+
    10. | sql_id                           | elapsed_time | trace_id                      |
    11. +----------------------------------+--------------+-------------------------------+
    12. | CFA269275E3BB270408747C01F64D837 |        87381 | YB420AB75598-0005634FBED5C5E8 |
    13. | 1979A5B4A27D5C3DBE08F80383FD6EB6 |        83465 | YB420AB74E56-0005634B4B87353B |
    14. | 51248E6C3BB5EF1FC4E8E79CA685723E |        82767 | YB420AB74E56-0005634B4B82E7E1 |
    15. | 249C40E669DFCCE80E3D11446272FA11 |        79919 | YB420A67E27C-00056349549A79D3 |
    16. | BEFAD568C3858D2C2E35F01558CBEC06 |        77210 | YB420A67E4B1-00056345B0F2E97E |
    17. | FB1A6A8BC4125C324A38F91B3808D364 |        75870 | YB420AB74E71-00056347074261E6 |
    18. | 0343A519C0C5BF31C68CB68F63721990 |        75666 | YB420BB47107-00056346A5A631FB |
    19. | B140BB0C671D9B8616FB048544F3B85B |        73902 | YB420A67E56B-00056342A5A4683E |
    20. | 4F9B1D0A3822A3E0DF69DB11ABFBE0EA |        72963 | YB420BB47107-00056346A5AAC5F5 |
    21. | 9963E8D252E6CBA72FBA45AC5790BA11 |        72354 | YB420A67E56B-00056342A5A66089 |
    22. +----------------------------------+--------------+-------------------------------+