ALTER_LOCATION_SIZE
Changes the size of the depot location on one node or all of the nodes in a database running in Eon Mode. If you decrease the depot size, Vertica might evict data if necessary to make space available.
Syntax
ALTER_LOCATION_SIZE( path, node‑name, new‑size)
Parameters
path
|
Where Vertica stores the depot. The type of file system on which the location is based determines the format of this argument. For depot locations on the Linux file system, |
node‑name
|
The node on which you want to alter the depot's size. To alter the depot size of all nodes, pass an empty string. |
new‑size |
The new size of the depot:
Default Value: 60% of the total disk space of the filesystem storing the depot. |
Privileges
Superuser
Examples
Change the depot size on all the nodes in the database to 60 gigabytes:
=> SELECT ALTER_LOCATION_SIZE('/home/dbadmin/depot/', '', '60G'); ALTER_LOCATION_SIZE ---------------------------------- /home/dbadmin/depotSize changed. (1 row)
Change the depot size of one node in the database to 50% of the total disk space on the node:
=> SELECT ALTER_LOCATION_SIZE('/home/dbadmin/depot/', 'v_eon_walkthrough_db_node0001', '50%'); ALTER_LOCATION_SIZE ---------------------------------- /home/dbadmin/depotSize changed. (1 row)