# # MDEV-28053 - Sysbench data load crashes Galera secondary node in # async master slave setup # # Setup: node 3 is a regular MariaDB server, nodes 1 and 2 are members # of a Galera cluster. Node 2 connects to node 3 through async replication. # # Test uses multiple parallel async applier threads (see MDEV-28053.cnf) # --source include/have_innodb.inc --source include/galera_cluster.inc --connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3 --connection node_3 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB; # # Execute a few INSERTs, to simulate sysbench data load phase # --let $counter=100 --disable_query_log while ($counter) { --connection node_3 INSERT INTO t1 VALUES(); --dec $counter } --enable_query_log --let gtid = `SELECT @@last_gtid` # # Start async replication on node 2. # If bug is present, expect a crash when applying # events concurrently. # --connection node_2 --disable_query_log --disable_result_log --eval CHANGE MASTER TO MASTER_HOST='127.0.0.1', MASTER_USER='root', MASTER_PORT=$NODE_MYPORT_3; START SLAVE; --eval SELECT MASTER_GTID_WAIT('$gtid', 600) --enable_result_log --enable_query_log # # Cleanup # --connection node_3 DROP TABLE t1; --connection node_2 --let $wait_condition = SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1'; --source include/wait_condition.inc --connection node_2 STOP SLAVE; RESET SLAVE ALL; --connection node_3 RESET MASTER;