运行如下语句可以查看分布式计划 RPC 执行数是否均衡：

    1. obclient>SELECT/*+ PARALLEL(15)*/t2.zone, t1.svr_ip,  COUNT(*) AS RPC_COUNT, 
    2.         AVG(t1.elapsed_time),AVG(t1.queue_time)  
    3.         FROM oceanbase.gv$sql_audit t1, __all_server t2  
    4.         WHERE t1.svr_ip = t2.svr_ip AND IS_EXECUTOR_RPC = 1    
    5.         AND tenant_id = 1001
    6.         AND request_time > (time_to_usec(now()) - 1000000)    
    7.         AND request_time < time_to_usec(now()) 
    8.         GROUP BY t1.svr_ip ORDER BY t2.zone;
    10. +--------+----------------+-----------+----------------------+--------------------+
    11. | zone   | svr_ip         | RPC_COUNT | avg(t1.elapsed_time) | avg(t1.queue_time) |
    12. +--------+----------------+-----------+----------------------+--------------------+
    13. | ET2_1  | 10.103.224.119 |      2517 |             514.2241 |            13.5515 |
    14. | ET2_1  | 10.103.226.124 |      2786 |            1628.0948 |            13.2915 |
    15. | ET2_1  | 10.103.228.177 |      3068 |            1984.0238 |            12.9029 |
    16. | ET2_1  | 10.103.229.107 |      3216 |             538.7646 |            12.8629 |
    17. | ET2_1  | 10.103.229.94  |      2228 |             802.8577 |            13.4138 |
    18. | EU13_2 | 10.183.78.113  |      2000 |             805.0485 |            13.0610 |
    19. | EU13_2 | 10.183.78.86   |      3296 |            1115.0725 |            13.2700 |
    20. | EU13_2 | 10.183.79.56   |      2460 |            1129.4085 |            14.3293 |
    21. | EU13_2 | 10.183.85.152  |      2533 |             891.0683 |            13.8602 |
    22. | EU13_3 | 10.183.76.140  |      3045 |             677.6591 |            13.7209 |
    23. | EU13_3 | 10.183.78.165  |      2202 |             821.9496 |            12.8247 |
    24. | EU13_3 | 10.183.79.198  |      2825 |            1277.0375 |            13.3345 |
    25. | EU13_3 | 10.183.86.65   |      2142 |             746.0808 |            13.0121 |
    26. | EU13_3 | 11.180.113.7   |      2735 |             765.8731 |            12.4750 |
    27. +--------+----------------+-----------+----------------------+--------------------+