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CREATE TABLE innodb_monitor(a SERIAL) ENGINE=InnoDB;
Warnings:
Warning 131 Using the table name innodb_monitor to enable diagnostic output is deprecated and may be removed in future releases. Use INFORMATION_SCHEMA or PERFORMANCE_SCHEMA tables or SET GLOBAL innodb_status_output=ON.
SHOW VARIABLES LIKE 'innodb_status_output%';
Variable_name Value
innodb_status_output ON
innodb_status_output_locks OFF
DROP TABLE innodb_monitor;
SHOW VARIABLES LIKE 'innodb_status_output%';
Variable_name Value
innodb_status_output OFF
innodb_status_output_locks OFF
CREATE TABLE innodb_lock_monitor(a SERIAL) ENGINE=InnoDB;
Warnings:
Warning 131 Using the table name innodb_lock_monitor to enable diagnostic output is deprecated and may be removed in future releases. Use INFORMATION_SCHEMA or PERFORMANCE_SCHEMA tables or SET GLOBAL innodb_status_output=ON.
SHOW VARIABLES LIKE 'innodb_status_output%';
Variable_name Value
innodb_status_output ON
innodb_status_output_locks ON
DROP TABLE innodb_lock_monitor;
SHOW VARIABLES LIKE 'innodb_status_output%';
Variable_name Value
innodb_status_output OFF
innodb_status_output_locks OFF
CREATE TABLE innodb_tablespace_monitor(a SERIAL) ENGINE=InnoDB;
Warnings:
Warning 131 Using the table name innodb_tablespace_monitor to enable diagnostic output is deprecated and may be removed in future releases. Use INFORMATION_SCHEMA or PERFORMANCE_SCHEMA tables or SET GLOBAL innodb_status_output=ON.
DROP TABLE innodb_tablespace_monitor;
CREATE TABLE innodb_table_monitor(a SERIAL) ENGINE=InnoDB;
Warnings:
Warning 131 Using the table name innodb_table_monitor to enable diagnostic output is deprecated and may be removed in future releases. Use INFORMATION_SCHEMA or PERFORMANCE_SCHEMA tables or SET GLOBAL innodb_status_output=ON.
DROP TABLE innodb_table_monitor;
CREATE TABLE t(a SERIAL) ENGINE=InnoDB;
INSERT INTO t VALUES(42);
BEGIN;
SELECT * FROM t FOR UPDATE;
a
42
SET GLOBAL innodb_status_output_locks=ON;
SET GLOBAL innodb_status_output=ON;
SELECT SLEEP(30);
SLEEP(30)
0
COMMIT;
BEGIN;
SELECT * FROM t FOR UPDATE;
a
42
SET GLOBAL innodb_status_output_locks=ON;
SELECT SLEEP(30);
SLEEP(30)
0
COMMIT;
BEGIN;
SELECT * FROM t FOR UPDATE;
a
42
SET GLOBAL innodb_status_output=ON;
SELECT SLEEP(30);
SLEEP(30)
0
COMMIT;
DROP TABLE t;
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