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show hosts #641

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34 changes: 20 additions & 14 deletions docs-2.0/3.ngql-guide/7.general-query-statements/6.show/6.show-hosts.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# SHOW HOSTS

`SHOW HOSTS`语句可以显示Graph、Storage、Meta服务主机信息。
`SHOW HOSTS`语句可以显示Graph、Storage、Meta服务主机信息、版本信息。

## 语法

Expand All @@ -10,6 +10,10 @@ SHOW HOSTS [GRAPH | STORAGE | META];

不添加服务名，直接使用`SHOW HOSTS`，会显示Storage服务主机信息，以及leader总数、leader分布和分片分布。

!!! note

release版本才会显示`Version`列内容，nightly版本的`Version`列内容为空。

## 示例

```ngql
Expand All @@ -26,21 +30,23 @@ nebula> SHOW HOSTS;
Got 3 rows (time spent 866/1411 us)

nebula> SHOW HOSTS GRAPH;
+-------------+------+----------+---------+--------------+
| Host | Port | Status | Role | Git Info Sha |
+-------------+------+----------+---------+--------------+
| "12.16.2.3" | 9669 | "ONLINE" | "GRAPH" | "761f22b" |
+---------------+------+----------+---------+--------------+---------+
| Host | Port | Status | Role | Git Info Sha | Version |
+---------------+------+----------+---------+--------------+---------+
| "192.168.x.x" | 9669 | "ONLINE" | "GRAPH" | "3c65733" | |
+---------------+------+----------+---------+--------------+---------+

nebula> SHOW HOSTS STORAGE;
+-------------+------+----------+-----------+--------------+
| Host | Port | Status | Role | Git Info Sha |
+-------------+------+----------+-----------+--------------+
| "12.16.2.3" | 9779 | "ONLINE" | "STORAGE" | "761f22b" |
+---------------+------+----------+-----------+--------------+---------+
| Host | Port | Status | Role | Git Info Sha | Version |
+---------------+------+----------+-----------+--------------+---------+
| "192.168.x.x" | 9779 | "ONLINE" | "STORAGE" | "68487497" | |
+---------------+------+----------+-----------+--------------+---------+

nebula> SHOW HOSTS META;
+-------------+------+----------+--------+--------------+
| Host | Port | Status | Role | Git Info Sha |
+-------------+------+----------+--------+--------------+
| "12.16.2.3" | 9559 | "ONLINE" | "META" | "761f22b" |

+---------------+------+----------+--------+--------------+---------+
| Host | Port | Status | Role | Git Info Sha | Version |
+---------------+------+----------+--------+--------------+---------+
| "192.168.x.x" | 9559 | "ONLINE" | "META" | "68487497" | |
+---------------+------+----------+--------+--------------+---------+
```