3195
MariaDBERRORCommonAccess ControlHIGH confidence
SET PERSIST_ONLY denied — insufficient privileges
Production Risk
Low — access error; no data changed.
Why it happens
- 1User lacks the SYSTEM_VARIABLES_ADMIN or SUPER privilege required for SET PERSIST_ONLY.
- 2Attempting to persist read-only system variables without elevated access.
How to reproduce
trigger — this will error
trigger — this will error
SET PERSIST_ONLY innodb_buffer_pool_size = 134217728;
expected output
ERROR 3195 (HY000): SET PERSIST_ONLY failed: Access denied.
Fix 1
Grant SYSTEM_VARIABLES_ADMIN privilege
Grant SYSTEM_VARIABLES_ADMIN privilege
GRANT SYSTEM_VARIABLES_ADMIN ON *.* TO 'user'@'host';
Why this works
SYSTEM_VARIABLES_ADMIN allows SET PERSIST and SET PERSIST_ONLY.
Fix 2
Use SUPER as an alternative
Use SUPER as an alternative
GRANT SUPER ON *.* TO 'user'@'host';
Why this works
SUPER implies SYSTEM_VARIABLES_ADMIN for this operation.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3195 ER_PERSIST_ONLY_ACCESS_DENIED_ERROR
Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev