SHOW HOSTS¶
SHOW HOSTS语句可以显示 Graph、Storage、Meta 服务主机信息、版本信息。
语法¶
ngql
SHOW HOSTS [GRAPH | STORAGE | META];
Note
对于使用源码安装的 Nebula Graph，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¶
```ngql nebula> SHOW HOSTS; +-------------+-------+----------+--------------+----------------------------------+------------------------------+---------+ | Host | Port | Status | Leader count | Leader distribution | Partition distribution | Version | +-------------+-------+----------+--------------+----------------------------------+------------------------------+---------+ | "storaged0" | 9779 | "ONLINE" | 8 | "docs:5, basketballplayer:3" | "docs:5, basketballplayer:3" | "3.0.1" | | "storaged1" | 9779 | "ONLINE" | 9 | "basketballplayer:4, docs:5" | "docs:5, basketballplayer:4" | "3.0.1" | | "storaged2" | 9779 | "ONLINE" | 8 | "basketballplayer:3, docs:5" | "docs:5, basketballplayer:3" | "3.0.1" | +-------------+-------+----------+--------------+----------------------------------+------------------------------+---------+
nebula> SHOW HOSTS GRAPH; +-----------+------+----------+---------+--------------+---------+ | Host | Port | Status | Role | Git Info Sha | Version | +-----------+------+----------+---------+--------------+---------+ | "graphd" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "3.0.1" | | "graphd1" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "3.0.1" | | "graphd2" | 9669 | "ONLINE" | "GRAPH" | "3ba41bd" | "3.0.1" | +-----------+------+----------+---------+--------------+---------+
nebula> SHOW HOSTS STORAGE; +-------------+------+----------+-----------+--------------+---------+ | Host | Port | Status | Role | Git Info Sha | Version | +-------------+------+----------+-----------+--------------+---------+ | "storaged0" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "3.0.1" | | "storaged1" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "3.0.1" | | "storaged2" | 9779 | "ONLINE" | "STORAGE" | "3ba41bd" | "3.0.1" | +-------------+------+----------+-----------+--------------+---------+
nebula> SHOW HOSTS META; +----------+------+----------+--------+--------------+---------+ | Host | Port | Status | Role | Git Info Sha | Version | +----------+------+----------+--------+--------------+---------+ | "metad2" | 9559 | "ONLINE" | "META" | "3ba41bd" | "3.0.1" | | "metad0" | 9559 | "ONLINE" | "META" | "3ba41bd" | "3.0.1" | | "metad1" | 9559 | "ONLINE" | "META" | "3ba41bd" | "3.0.1" | +----------+------+----------+--------+--------------+---------+ ```