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show hosts (#1075)
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The `show hosts` command displays the version.
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@cooper-lzy
cooper-lzy authored Feb 8, 2022
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30 changes: 14 additions & 16 deletions docs-2.0/2.quick-start/4.nebula-graph-crud.md
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Expand Up @@ -59,14 +59,13 @@ We recommend that you check the machine status to make sure that all the Storage

```ngql
nebula> SHOW HOSTS;
+------------------+------+----------+--------------+----------------------+------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+------------------+------+----------+--------------+----------------------+------------------------+
| "192.168.10.100" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "192.168.10.101" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "192.168.10.102" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "Total" | | | 0 | | |
+------------------+------+----------+--------------+----------------------+------------------------+
+------------------+------+----------+--------------+----------------------+------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+------------------+------+----------+--------------+----------------------+------------------------+---------+
| "192.168.10.100" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "192.168.10.101" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "192.168.10.102" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
+------------------+------+----------+--------------+----------------------+------------------------+---------+
```

From the **Status** column of the table in the returned results, you can see that all the Storage services are online.
Expand Down Expand Up @@ -135,14 +134,13 @@ From the **Status** column of the table in the returned results, you can see tha

```ngql
nebula> SHOW HOSTS;
+-------------+-----------+-----------+--------------+----------------------------------+------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+-------------+-----------+-----------+--------------+----------------------------------+------------------------+
| "storaged0" | 9779 | "ONLINE" | 5 | "basketballplayer:5" | "basketballplayer:5" |
| "storaged1" | 9779 | "ONLINE" | 5 | "basketballplayer:5" | "basketballplayer:5" |
| "storaged2" | 9779 | "ONLINE" | 5 | "basketballplayer:5" | "basketballplayer:5" |
| "Total" | | | 15 | "basketballplayer:15" | "basketballplayer:15" |
+-------------+-----------+-----------+--------------+----------------------------------+------------------------+
+-------------+-----------+-----------+--------------+----------------------------------+------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+-------------+-----------+-----------+--------------+----------------------------------+------------------------+---------+
| "storaged0" | 9779 | "ONLINE" | 5 | "basketballplayer:5" | "basketballplayer:5" | "3.0.0" |
| "storaged1" | 9779 | "ONLINE" | 5 | "basketballplayer:5" | "basketballplayer:5" | "3.0.0" |
| "storaged2" | 9779 | "ONLINE" | 5 | "basketballplayer:5" | "basketballplayer:5" | "3.0.0" |
+-------------+-----------+-----------+--------------+----------------------------------+------------------------+---------+
```

If the **Leader distribution** is uneven, use `BALANCE LEADER` to redistribute the partitions. For more information, see [BALANCE](../8.service-tuning/load-balance.md).
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34 changes: 17 additions & 17 deletions docs-2.0/3.ngql-guide/7.general-query-statements/6.show/6.show-hosts.md
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Expand Up @@ -19,38 +19,38 @@ SHOW HOSTS [GRAPH | STORAGE | META];

```ngql
nebula> SHOW HOSTS;
+-------------+-------+----------+--------------+----------------------------------+------------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+-------------+-------+----------+--------------+----------------------------------+------------------------------+
| "storaged0" | 9779 | "ONLINE" | 8 | "docs:5, basketballplayer:3" | "docs:5, basketballplayer:3" |
| "storaged1" | 9779 | "ONLINE" | 9 | "basketballplayer:4, docs:5" | "docs:5, basketballplayer:4" |
| "storaged2" | 9779 | "ONLINE" | 8 | "basketballplayer:3, docs:5" | "docs:5, basketballplayer:3" |
+-------------+-------+----------+--------------+----------------------------------+------------------------------+
+-------------+-------+----------+--------------+----------------------------------+------------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+-------------+-------+----------+--------------+----------------------------------+------------------------------+---------+
| "storaged0" | 9779 | "ONLINE" | 8 | "docs:5, basketballplayer:3" | "docs:5, basketballplayer:3" | "3.0.0" |
| "storaged1" | 9779 | "ONLINE" | 9 | "basketballplayer:4, docs:5" | "docs:5, basketballplayer:4" | "3.0.0" |
| "storaged2" | 9779 | "ONLINE" | 8 | "basketballplayer:3, docs:5" | "docs:5, basketballplayer:3" | "3.0.0" |
+-------------+-------+----------+--------------+----------------------------------+------------------------------+---------+
nebula> SHOW HOSTS GRAPH;
+-----------+------+----------+---------+---------------+--------+
+-----------+------+----------+---------+--------------+---------+
| Host | Port | Status | Role | Git Info Sha | Version |
+-----------+------+----------+---------+--------------+---------+
| "graphd" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "2.6.0" |
| "graphd1" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "2.6.0" |
| "graphd2" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "2.6.0" |
| "graphd" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "3.0.0" |
| "graphd1" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "3.0.0" |
| "graphd2" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "3.0.0" |
+-----------+------+----------+---------+--------------+---------+
nebula> SHOW HOSTS STORAGE;
+-------------+------+----------+-----------+--------------+---------+
| Host | Port | Status | Role | Git Info Sha | Version |
+-------------+------+----------+-----------+--------------+---------+
| "storaged0" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "2.6.0" |
| "storaged1" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "2.6.0" |
| "storaged2" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "2.6.0" |
| "storaged0" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "3.0.0" |
| "storaged1" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "3.0.0" |
| "storaged2" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "3.0.0" |
+-------------+------+----------+-----------+--------------+---------+
nebula> SHOW HOSTS META;
+----------+------+----------+--------+--------------+---------+
| Host | Port | Status | Role | Git Info Sha | Version |
+----------+------+----------+--------+--------------+---------+
| "metad2" | 9559 | "ONLINE" | "META" | "3ba41bd" | "2.6.0" |
| "metad0" | 9559 | "ONLINE" | "META" | "3ba41bd" | "2.6.0" |
| "metad1" | 9559 | "ONLINE" | "META" | "3ba41bd" | "2.6.0" |
| "metad2" | 9559 | "ONLINE" | "META" | "3ba41bd" | "3.0.0" |
| "metad0" | 9559 | "ONLINE" | "META" | "3ba41bd" | "3.0.0" |
| "metad1" | 9559 | "ONLINE" | "META" | "3ba41bd" | "3.0.0" |
+----------+------+----------+--------+--------------+---------+
```
30 changes: 14 additions & 16 deletions docs-2.0/3.ngql-guide/9.space-statements/1.create-space.md
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Expand Up @@ -97,27 +97,25 @@ On some large clusters, the partition distribution is possibly unbalanced becaus

```ngql
nebula> SHOW HOSTS;
+-------------+------+----------+--------------+--------------------------------+--------------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+
| "storaged0" | 9779 | "ONLINE" | 8 | "basketballplayer:3, test:5" | "basketballplayer:10, test:10" |
| "storaged1" | 9779 | "ONLINE" | 9 | "basketballplayer:4, test:5" | "basketballplayer:10, test:10" |
| "storaged2" | 9779 | "ONLINE" | 3 | "basketballplayer:3" | "basketballplayer:10, test:10" |
| "Total" | | | 20 | "basketballplayer:10, test:10" | "basketballplayer:30, test:30" |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+
+-------------+------+----------+--------------+--------------------------------+--------------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+---------+
| "storaged0" | 9779 | "ONLINE" | 8 | "basketballplayer:3, test:5" | "basketballplayer:10, test:10" | "3.0.0" |
| "storaged1" | 9779 | "ONLINE" | 9 | "basketballplayer:4, test:5" | "basketballplayer:10, test:10" | "3.0.0" |
| "storaged2" | 9779 | "ONLINE" | 3 | "basketballplayer:3" | "basketballplayer:10, test:10" | "3.0.0" |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+---------+
```

To balance the request loads, use the following command.

```ngql
nebula> BALANCE LEADER;
nebula> SHOW HOSTS;
+-------------+------+----------+--------------+--------------------------------+--------------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+
| "storaged0" | 9779 | "ONLINE" | 7 | "basketballplayer:3, test:4" | "basketballplayer:10, test:10" |
| "storaged1" | 9779 | "ONLINE" | 7 | "basketballplayer:4, test:3" | "basketballplayer:10, test:10" |
| "storaged2" | 9779 | "ONLINE" | 6 | "basketballplayer:3, test:3" | "basketballplayer:10, test:10" |
| "Total" | | | 20 | "basketballplayer:10, test:10" | "basketballplayer:30, test:30" |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+
+-------------+------+----------+--------------+--------------------------------+--------------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+---------+
| "storaged0" | 9779 | "ONLINE" | 7 | "basketballplayer:3, test:4" | "basketballplayer:10, test:10" | "3.0.0" |
| "storaged1" | 9779 | "ONLINE" | 7 | "basketballplayer:4, test:3" | "basketballplayer:10, test:10" | "3.0.0" |
| "storaged2" | 9779 | "ONLINE" | 6 | "basketballplayer:3, test:3" | "basketballplayer:10, test:10" | "3.0.0" |
+-------------+------+----------+--------------+--------------------------------+--------------------------------+---------+
```
15 changes: 7 additions & 8 deletions ...2.compile-and-install-nebula-graph/3.deploy-nebula-graph-with-docker-compose.md
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Expand Up @@ -98,14 +98,13 @@ Using Docker Compose can quickly deploy Nebula Graph services based on the prepa

```bash
nebula> SHOW HOSTS;
+-------------+------+----------+--------------+----------------------+------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+-------------+------+----------+--------------+----------------------+------------------------+
| "storaged0" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "storaged1" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "storaged2" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "Total" | | | 0 | | |
+-------------+------+----------+--------------+----------------------+------------------------+
+-------------+------+----------+--------------+----------------------+------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+-------------+------+----------+--------------+----------------------+------------------------+---------+
| "storaged0" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "storaged1" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "storaged2" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
+-------------+------+----------+--------------+----------------------+------------------------+---------+
```

5. Run `exit` twice to switch back to your terminal (shell). You can run Step 4 to log in to Nebula Graph again.
Expand Down
19 changes: 9 additions & 10 deletions ...-installation/2.compile-and-install-nebula-graph/deploy-nebula-graph-cluster.md
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Expand Up @@ -291,14 +291,13 @@ $ ./nebula-console --addr 192.168.10.111 --port 9669 -u root -p nebula
Welcome to Nebula Graph!
> SHOW HOSTS;
+------------------+------+----------+--------------+----------------------+------------------------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution |
+------------------+------+----------+--------------+----------------------+------------------------+
| "192.168.10.111" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "192.168.10.112" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "192.168.10.113" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "192.168.10.114" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "192.168.10.115" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" |
| "Total" | | | 0 | | |
+------------------+------+----------+--------------+----------------------+------------------------+
+------------------+------+----------+--------------+----------------------+------------------------+---------+
| Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version |
+------------------+------+----------+--------------+----------------------+------------------------+---------+
| "192.168.10.111" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "192.168.10.112" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "192.168.10.113" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "192.168.10.114" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
| "192.168.10.115" | 9779 | "ONLINE" | 0 | "No valid partition" | "No valid partition" | "3.0.0" |
+------------------+------+----------+--------------+----------------------+------------------------+---------+
```
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