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SHOW HOSTSGraph

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

语法Graph

SHOW HOSTS [GRAPH | STORAGE | META];

Note

  • 不添加服务名，直接使用SHOW HOSTS时，会显示 Storage 服务主机信息，以及 leader 总数、leader 分布和分片分布。
  • 对于使用源码安装的 NebulaGraph，执行添加了服务名的命令后，输出的信息中不显示版本信息。

示例Graph

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" |
+-------------+-------+----------+--------------+----------------------------------+------------------------------+

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" |
+-----------+------+----------+---------+--------------+---------+

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" |
+-------------+------+----------+-----------+--------------+---------+

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" |
+----------+------+----------+--------+--------------+---------+
最后更新: November 24, 2021
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