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include/only_with_option.inc [GLOBAL.replica_transaction_retries > 2]
#
# 1. Create source-replica topology
include/master-slave.inc
Warnings:
Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
Note #### Storing MySQL user name or password information in the connection metadata repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START REPLICA; see the 'START REPLICA Syntax' in the MySQL Manual for more information.
[connection master]
[connection slave]
SET GLOBAL innodb_lock_wait_timeout = 2;
SET GLOBAL slave_rows_search_algorithms = 'INDEX_SCAN,HASH_SCAN';
CALL mtr.add_suppression("Replica SQL for channel.*Consider raising the value of the replica_transaction_retries variable.*");
CALL mtr.add_suppression("Replica SQL for channel.*The replica coordinator and worker threads are stopped.*");
# 2. For each slave_rows_search_algorithms[INDEX_SCAN, HASH_SCAN(with
# index), HASH_SCAN(with two non-unique index), HASH_SCAN(with out
# index), TABLE_SCAN]
#
# 2.0 Configure source and replica
[connection master]
CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=innodb;
INSERT INTO t1 VALUES (10, 10), (20, 20);
include/sync_slave_sql_with_master.inc
#
# 2.1 Stop replica
include/stop_slave.inc
#
# 2.2 Execute DELETE transaction on source
[connection master]
BEGIN;
DELETE FROM t1;
COMMIT;
#
# 2.3 Begin SELECT ... FOR UPDATE on replica
[connection slave]
BEGIN;
SELECT * FROM t1 WHERE b = 20 FOR UPDATE;
a b
20 20
#
# 2.4 Start replica from another connection
[connection slave1]
include/start_slave.inc
#
# 2.5 Wait until the applier retries:'count_transactions_retries' will be
# incremented
[connection slave]
#
# 2.6 Commit SELECT ... FOR UPDATE on replica
COMMIT;
SHOW STATUS LIKE 'Replica_rows_last_search_algorithm_used';
Variable_name Value
Replica_rows_last_search_algorithm_used INDEX_SCAN
#
# 2.7 Restart replica applier
include/stop_slave_sql.inc
include/start_slave_sql.inc
[connection master]
DROP TABLE t1;
include/sync_slave_sql_with_master.inc
#
# 2.0 Configure source and replica
[connection master]
CREATE TABLE t1 (a INT, b INT, key(a)) ENGINE=innodb;
INSERT INTO t1 VALUES (10, 10), (20, 20);
include/sync_slave_sql_with_master.inc
#
# 2.1 Stop replica
include/stop_slave.inc
#
# 2.2 Execute DELETE transaction on source
[connection master]
BEGIN;
DELETE FROM t1;
COMMIT;
#
# 2.3 Begin SELECT ... FOR UPDATE on replica
[connection slave]
BEGIN;
SELECT * FROM t1 WHERE b = 20 FOR UPDATE;
a b
20 20
#
# 2.4 Start replica from another connection
[connection slave1]
include/start_slave.inc
#
# 2.5 Wait until the applier retries:'count_transactions_retries' will be
# incremented
[connection slave]
#
# 2.6 Commit SELECT ... FOR UPDATE on replica
COMMIT;
SHOW STATUS LIKE 'Replica_rows_last_search_algorithm_used';
Variable_name Value
Replica_rows_last_search_algorithm_used HASH_SCAN
#
# 2.7 Restart replica applier
include/stop_slave_sql.inc
include/start_slave_sql.inc
[connection master]
DROP TABLE t1;
include/sync_slave_sql_with_master.inc
#
# 2.0 Configure source and replica
[connection master]
CREATE TABLE t1 (a INT, b INT, KEY(a), KEY(b)) ENGINE=innodb;
INSERT INTO t1 VALUES (10, 10), (10, 20), (10, 30), (20, 10), (20, 20);
include/sync_slave_sql_with_master.inc
#
# 2.1 Stop replica
include/stop_slave.inc
#
# 2.2 Execute DELETE transaction on source
[connection master]
BEGIN;
DELETE FROM t1;
COMMIT;
#
# 2.3 Begin SELECT ... FOR UPDATE on replica
[connection slave]
BEGIN;
SELECT * FROM t1 WHERE b = 20 FOR UPDATE;
a b
10 20
20 20
#
# 2.4 Start replica from another connection
[connection slave1]
include/start_slave.inc
#
# 2.5 Wait until the applier retries:'count_transactions_retries' will be
# incremented
[connection slave]
#
# 2.6 Commit SELECT ... FOR UPDATE on replica
COMMIT;
SHOW STATUS LIKE 'Replica_rows_last_search_algorithm_used';
Variable_name Value
Replica_rows_last_search_algorithm_used HASH_SCAN
#
# 2.7 Restart replica applier
include/stop_slave_sql.inc
include/start_slave_sql.inc
[connection master]
DROP TABLE t1;
include/sync_slave_sql_with_master.inc
#
# 2.0 Configure source and replica
[connection master]
CREATE TABLE t1 (a INT, b INT) ENGINE=innodb;
INSERT INTO t1 VALUES (10, 10), (20, 20);
include/sync_slave_sql_with_master.inc
#
# 2.1 Stop replica
include/stop_slave.inc
#
# 2.2 Execute DELETE transaction on source
[connection master]
BEGIN;
DELETE FROM t1;
COMMIT;
#
# 2.3 Begin SELECT ... FOR UPDATE on replica
[connection slave]
BEGIN;
SELECT * FROM t1 WHERE b = 20 FOR UPDATE;
a b
20 20
#
# 2.4 Start replica from another connection
[connection slave1]
include/start_slave.inc
#
# 2.5 Wait until the applier retries:'count_transactions_retries' will be
# incremented
[connection slave]
#
# 2.6 Commit SELECT ... FOR UPDATE on replica
COMMIT;
SHOW STATUS LIKE 'Replica_rows_last_search_algorithm_used';
Variable_name Value
Replica_rows_last_search_algorithm_used HASH_SCAN
#
# 2.7 Restart replica applier
include/stop_slave_sql.inc
include/start_slave_sql.inc
[connection master]
DROP TABLE t1;
include/sync_slave_sql_with_master.inc
#
# 2.0 Configure source and replica
[connection master]
CREATE TABLE t1 (a INT, b INT) ENGINE=innodb;
INSERT INTO t1 VALUES (10, 10), (20, 20);
include/sync_slave_sql_with_master.inc
#
# 2.1 Stop replica
include/stop_slave.inc
#
# 2.2 Execute DELETE transaction on source
[connection master]
BEGIN;
DELETE FROM t1;
COMMIT;
#
# 2.3 Begin SELECT ... FOR UPDATE on replica
[connection slave]
SET GLOBAL slave_rows_search_algorithms = 'TABLE_SCAN';
BEGIN;
SELECT * FROM t1 WHERE b = 20 FOR UPDATE;
a b
20 20
#
# 2.4 Start replica from another connection
[connection slave1]
include/start_slave.inc
#
# 2.5 Wait until the applier retries:'count_transactions_retries' will be
# incremented
[connection slave]
#
# 2.6 Commit SELECT ... FOR UPDATE on replica
COMMIT;
SHOW STATUS LIKE 'Replica_rows_last_search_algorithm_used';
Variable_name Value
Replica_rows_last_search_algorithm_used TABLE_SCAN
#
# 2.7 Restart replica applier
include/stop_slave_sql.inc
include/start_slave_sql.inc
[connection master]
DROP TABLE t1;
include/sync_slave_sql_with_master.inc
#
# 3. Clean up
[connection slave]
SET GLOBAL innodb_lock_wait_timeout = INNODB_LOCK_WAIT_TIMEOUT;
SET GLOBAL slave_rows_search_algorithms = "SLAVE_ROWS_SEARCH_ALGORITHMS";
include/rpl_end.inc
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