SHOW HOSTS

SHOW HOSTS语句显示由Meta服务注册的Graph、Storage、Meta主机。

语法

  1. SHOW HOSTS [GRAPH/STORAGE/META];

示例

  1. nebula> SHOW HOSTS;
  2. +-------------+-------+----------+--------------+----------------------------------+-----------------------------+
  3. | Host        | Port  | Status   | Leader count | Leader distribution              | Partition distribution      |
  4. +-------------+-------+----------+--------------+----------------------------------+-----------------------------+
  5. | "storaged0" | 9779  | "ONLINE" | 8            | "docs:5, basketballplayer:3"     | "docs:5, basketballplayer:3"|
  6. +-------------+-------+----------+--------------+----------------------------------+-----------------------------+
  7. | "storaged1" | 9779  | "ONLINE" | 9            | "basketballplayer:4, docs:5"     | "docs:5, basketballplayer:4"|
  8. +-------------+-------+----------+--------------+----------------------------------+-----------------------------+
  9. | "storaged2" | 9779  | "ONLINE" | 8            | "basketballplayer:3, docs:5"     | "docs:5, basketballplayer:3"|
  10. +-------------+-------+----------+--------------+----------------------------------+-----------------------------+
  11. Got 3 rows (time spent 866/1411 us)
  13. nebula> SHOW HOSTS GRAPH;
  14. +-------------+------+----------+---------+--------------+
  15. | Host        | Port | Status   | Role    | Git Info Sha |
  16. +-------------+------+----------+---------+--------------+
  17. | "12.16.2.3" | 9669 | "ONLINE" | "GRAPH" | "761f22b"    |
  19. nebula> SHOW HOSTS STORAGE;
  20. +-------------+------+----------+-----------+--------------+
  21. | Host        | Port | Status   | Role      | Git Info Sha |
  22. +-------------+------+----------+-----------+--------------+
  23. | "12.16.2.3" | 9779 | "ONLINE" | "STORAGE" | "761f22b"    |
  25. nebula> SHOW HOSTS META;
  26. +-------------+------+----------+--------+--------------+
  27. | Host        | Port | Status   | Role   | Git Info Sha |
  28. +-------------+------+----------+--------+--------------+
  29. | "12.16.2.3" | 9559 | "ONLINE" | "META" | "761f22b"    |