SHOW PARTS¶
SHOW PARTS语句显示图空间中指定分片或所有分片的信息。
语法¶
ngql
SHOW PARTS [<part_id>];
示例¶
```ngql nebula> SHOW PARTS; +--------------+--------------------+--------------------+-------+ | Partition ID | Leader | Peers | Losts | +--------------+--------------------+--------------------+-------+ | 1 | "192.168.2.1:9779" | "192.168.2.1:9779" | "" | | 2 | "192.168.2.2:9779" | "192.168.2.2:9779" | "" | | 3 | "192.168.2.3:9779" | "192.168.2.3:9779" | "" | | 4 | "192.168.2.1:9779" | "192.168.2.1:9779" | "" | | 5 | "192.168.2.2:9779" | "192.168.2.2:9779" | "" | | 6 | "192.168.2.3:9779" | "192.168.2.3:9779" | "" | | 7 | "192.168.2.1:9779" | "192.168.2.1:9779" | "" | | 8 | "192.168.2.2:9779" | "192.168.2.2:9779" | "" | | 9 | "192.168.2.3:9779" | "192.168.2.3:9779" | "" | | 10 | "192.168.2.1:9779" | "192.168.2.1:9779" | "" | +--------------+--------------------+--------------------+-------+
nebula> SHOW PARTS 1; +--------------+--------------------+--------------------+-------+ | Partition ID | Leader | Peers | Losts | +--------------+--------------------+--------------------+-------+ | 1 | "192.168.2.1:9779" | "192.168.2.1:9779" | "" | +--------------+--------------------+--------------------+-------+ ```
返回结果的说明如下：
| 参数 | 说明 |
|---|---|
Partition ID |
存储分片的 ID |
Leader |
分片对应的 Raft leader 副本的信息，包括 IP 地址与服务端口 |
Peers |
分片对应的所有副本（leader 与 follower）的信息，包括 IP 地址与服务端口 |
Losts |
分片对应的处于离线状态的副本信息，包括 IP 地址和服务端口 |