ob_reserved_meta_memory_percentage

Description

ob_reserved_meta_memory_percentage specifies the percentage of memory reserved for a tenant, which is mainly used to store meta information.

Privilege requirements

• Query variables

  You can execute the SHOW VARIABLES statement or query the SYS.TENANT_VIRTUAL_GLOBAL_VARIABLE view (Oracle-compatible mode) or the information_schema.GLOBAL_VARIABLES view (MySQL-compatible mode) to view the value of a global system variable. The sys tenant and all user tenants can perform this operation.

• Modify variables

  • The sys tenant can directly modify the value of a global system variable.

  • A MySQL user tenant must have the SUPER or ALTER SYSTEM privilege to modify the value of a global system variable.

  • An Oracle user tenant must have the ALTER SYSTEM privilege to modify the value of a global system variable.

Attributes

Examples

Set the percentage of memory reserved for a tenant to 10.

obclient> SET GLOBAL ob_reserved_meta_memory_percentage= 10;