我知道有很多命令,例如:在 taos shell 中显示 mnodes、显示 dnodes、显示 vgroups。
从 show vgroups 命令我们可以看到如下 vnodes 状态:
taos> show dnodes;
id | end_point | vnodes | cores | status | role | create_time | offline reason |
======================================================================================================================================
1 | tdnode1:6030 | 0 | 4 | ready | mnode | 2021-08-19 18:14:56.647 | |
2 | tdnode2:6030 | 7 | 4 | ready | vnode | 2021-08-19 18:14:56.837 | |
3 | tdnode3:6030 | 8 | 4 | ready | vnode | 2021-08-19 18:14:56.841 | |
4 | tdnode4:6030 | 7 | 4 | ready | vnode | 2021-08-19 18:14:56.842 | |
5 | tdnode5:6030 | 8 | 4 | ready | vnode | 2021-08-19 18:14:56.844 | |
Query OK, 5 row(s) in set (0.001483s)
taos> show vgroups;
vgId | tables | status | onlines | v1_dnode | v1_status | v2_dnode | v2_status | v3_dnode | v3_status | compacting |
========================================================================================================================================
2 | 1000 | ready | 3 | 5 | master | 3 | slave | 2 | slave | 0 |
3 | 1000 | ready | 3 | 4 | master | 5 | slave | 3 | slave | 0 |
4 | 1000 | ready | 3 | 3 | master | 4 | slave | 2 | slave | 0 |
5 | 1000 | ready | 3 | 2 | master | 5 | slave | 4 | slave | 0 |
6 | 1000 | ready | 3 | 5 | master | 3 | slave | 2 | slave | 0 |
7 | 1000 | ready | 3 | 4 | master | 5 | slave | 3 | slave | 0 |
8 | 1000 | ready | 3 | 3 | master | 4 | slave | 2 | slave | 0 |
9 | 1000 | ready | 3 | 2 | master | 5 | slave | 4 | slave | 0 |
10 | 1000 | ready | 3 | 5 | master | 3 | slave | 2 | slave | 0 |
11 | 1000 | ready | 3 | 4 | master | 5 | slave | 3 | slave | 0 |
Query OK, 10 row(s) in set (0.001678s)
但是很难分辨 dnode 中哪些 vnode 的 id 为 1,是否有任何简单的命令可以仅在 dnode 中显示 1 的 vnode?