frontendsfrontends
Table-Value-Function, generate a temporary table named frontends_disks. This tvf is used to view the information of FE nodes 's disks in the doris cluster.
This function is used in FROM clauses.
frontends_disks()
The table schema of frontends_disks() tvf：
mysql> desc function frontends_disks(); +-------------+------+------+-------+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------------+------+------+-------+---------+-------+ | Name | TEXT | No | false | NULL | NONE | | Host | TEXT | No | false | NULL | NONE | | DirType | TEXT | No | false | NULL | NONE | | Dir | TEXT | No | false | NULL | NONE | | Filesystem | TEXT | No | false | NULL | NONE | | Capacity | TEXT | No | false | NULL | NONE | | Used | TEXT | No | false | NULL | NONE | | Available | TEXT | No | false | NULL | NONE | | UseRate | TEXT | No | false | NULL | NONE | | MountOn | TEXT | No | false | NULL | NONE | +-------------+------+------+-------+---------+-------+ 11 rows in set (0.14 sec)
The information displayed by the frontends_disks tvf is basically consistent with the information displayed by the show frontends disks statement. However, the types of each field in the frontends_disks tvf are more specific, and you can use the frontends_disks tvf to perform operations such as filtering and joining.
The information displayed by the frontends_disks tvf is authenticated, which is consistent with the behavior of show frontends disks, user must have ADMIN/OPERATOR privelege.
mysql> select * from frontends_disk()\G
*************************** 1. row ***************************
Name: fe_fe1d5bd9_d1e5_4ccc_9b03_ca79b95c9941
Host: 172.XX.XX.1
DirType: log
Dir: /data/doris/fe-github/log
Filesystem: /dev/sdc5
Capacity: 366G
Used: 119G
Available: 228G
UseRate: 35%
MountOn: /data
......
12 row in set (0.03 sec)
frontends_disks