| 库与测量 | SHOW DATABASES；SHOW MEASUREMENTS [ON db] [WITH MEASUREMENT =~ /regex/] |
|---|---|
| 标签 | SHOW TAG KEYS [FROM m]；SHOW TAG VALUES FROM m WITH KEY = "host" |
| 序列 | SHOW SERIES [FROM m] [WHERE tag = value]；SHOW FIELD KEYS FROM m |
示例
示例
SHOW DATABASES;
SHOW MEASUREMENTS ON "metrics";
SHOW TAG KEYS FROM "cpu";
SHOW TAG VALUES FROM "cpu" WITH KEY = "host";
SHOW FIELD KEYS FROM "cpu";SHOW SERIES 在大基数实例上可能很慢甚至超时，先加 FROM 与 WHERE 限定范围。