mirror of
https://github.com/MariaDB/server.git
synced 2025-11-12 10:22:39 +03:00
21 lines
709 B
Plaintext
21 lines
709 B
Plaintext
connect ddl, localhost, root,,;
|
|
update performance_schema.setup_instruments set enabled='yes';
|
|
update performance_schema.setup_consumers set enabled='yes';
|
|
CREATE TABLE t1 (a serial, b varchar(255)) ENGINE=InnoDB;
|
|
BEGIN;
|
|
COMMIT;
|
|
SET DEBUG_SYNC = 'row_log_apply_before SIGNAL go WAIT_FOR gone';
|
|
ALTER TABLE t1 ADD INDEX(b), ALGORITHM=INPLACE;
|
|
connection default;
|
|
SET DEBUG_SYNC = 'now WAIT_FOR go';
|
|
SELECT DISTINCT object_name FROM performance_schema.events_waits_history_long
|
|
WHERE event_name LIKE '%wait%io%file%innodb%innodb_temp_file%';
|
|
object_name
|
|
tmp/Innodb Merge Temp File
|
|
SET DEBUG_SYNC = 'now SIGNAL gone';
|
|
connection ddl;
|
|
disconnect ddl;
|
|
connection default;
|
|
SET DEBUG_SYNC = 'RESET';
|
|
DROP TABLE t1;
|