include/master-slave.inc
[connection master]
connection slave;
include/stop_slave.inc SET sql_log_bin=0;
ALTER TABLE mysql.gtid_slave_pos ENGINE=Aria; SET sql_log_bin=1;
include/start_slave.inc
connection master;
CREATE TABLE t1 (i int) ENGINE=InnoDB;
connection slave;
*** MDEV-4484, incorrect error handling when entries in gtid_slave_pos not found. ***
TRUNCATE TABLE mysql.gtid_slave_pos;
connection master;
INSERT INTO t1 VALUES (1);
connection slave;
connection slave;
include/stop_slave.inc SET @old_gtid_cleanup_batch_size= @@GLOBAL.gtid_cleanup_batch_size; SET GLOBAL gtid_cleanup_batch_size= 2; SET @old_dbug= @@GLOBAL.debug_dbug; SET GLOBAL debug_dbug="+d,gtid_slave_pos_simulate_failed_delete"; SET sql_log_bin= 0;
CALL mtr.add_suppression("<DEBUG> Error deleting old GTID row"); SET sql_log_bin= 1;
include/start_slave.inc
connection master;
connection slave;
SELECT COUNT(*), MAX(seq_no) INTO @pre_count, @pre_max_seq_no
FROM mysql.gtid_slave_pos;
SELECT IF(@pre_count >= 20, "OK", CONCAT("Error: too few rows seen while errors injected: ", @pre_count)); IF(@pre_count >= 20, "OK", CONCAT("Error: too few rows seen while errors injected: ", @pre_count))
OK SET GLOBAL debug_dbug= @old_dbug;
connection master;
connection slave;
connection slave;
SELECT IF(COUNT(*) >= 1, "OK", CONCAT("Error: too few rows seen after errors no longer injected: ", COUNT(*)))
FROM mysql.gtid_slave_pos
WHERE seq_no <= @pre_max_seq_no; IF(COUNT(*) >= 1, "OK", CONCAT("Error: too few rows seen after errors no longer injected: ", COUNT(*)))
OK
connection master;
DROP TABLE t1;
connection slave; SET GLOBAL gtid_cleanup_batch_size= @old_gtid_cleanup_batch_size;
include/rpl_end.inc
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-10)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.