sql_throttle_current_priority

Description

sql_throttle_current_priority is used to set the throttling priority. Only requests from sessions where sql_throttle_current_priority is less than sql_throttle_priority will be throttled.

Required privileges

• Query variables

  • Global level

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

  • Session level

    The sys tenant and user tenants can execute the SHOW VARIABLES statement or query SYS.TENANT_VIRTUAL_SESSION_VARIABLE (Oracle-compatible mode) and information_schema.SESSION_VARIABLES (MySQL-compatible mode) to view the value of a session system variable.

• Modify variables

  • Set the variable at the global level

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

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

    • For V4.x, Oracle user tenants must have the ALTER SYSTEM privilege to modify the value of a global system variable starting from V4.2.0.

  • Set the variable at the session level

    sys tenants and user tenants can directly modify the value of a session system variable in their own tenant.

Attributes

Sample query

Set the throttling priority for session requests to 100.

• Session level

  obclient> SET sql_throttle_current_priority= 100;
  

• Global level

  obclient> SET GLOBAL sql_throttle_current_priority= 100;