SHOW HOSTS¶
The SHOW HOSTS
statement shows the host and version information of Graph Service, Storage Service, and Meta Service.
Syntax¶
SHOW HOSTS [GRAPH | STORAGE | META];
If you return SHOW HOSTS
without the service name, it will show the host information of Storage Service, as well as the leader number, leader distribution, and partition distribution.
Examples¶
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" |
+----------+------+----------+--------+--------------+---------+
Last update: November 2, 2021