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# # MENT-662 Lag Free alter for slave # In this we will see if chain replication works as # M->S(Legacy)->S(Parallel)->S(Legacy, without log-slave-upadates) # --source include/have_innodb.inc --let $rpl_topology=1->2->3->4 --source include/rpl_init.inc --connection server_3 --let $gtid_strict_mode= `select @@gtid_strict_mode` --let $slave_parallel_threads= `select @@slave_parallel_threads` --let $slave_parallel_mode= `select @@slave_parallel_mode` set global gtid_strict_mode=1; --source include/stop_slave.inc SET GLOBAL slave_parallel_threads=10; set global slave_parallel_mode=optimistic; change master to master_use_gtid=slave_pos; --source include/start_slave.inc --connection server_1 --let $binlog_alter_two_phase= `select @@binlog_alter_two_phase` set global binlog_alter_two_phase=ON; set binlog_alter_two_phase=ON; --let $engine=innodb --let $sync_slave= 1 connect(master_node,127.0.0.1,root,,$db_name, $SERVER_MYPORT_1); connect(slave_node,127.0.0.1,root,,test, $SERVER_MYPORT_2); --source include/start_alter_basic.inc --disconnect master_node --disconnect slave_node --connection server_1 --eval set global binlog_alter_two_phase=$binlog_alter_two_phase --source include/rpl_sync.inc --connection server_2 select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1; --connection server_1 --source include/save_master_gtid.inc --connection server_3 --source include/sync_with_master_gtid.inc select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1; --source include/stop_slave.inc --eval set global slave_parallel_threads = $slave_parallel_threads; --eval set global slave_parallel_mode = $slave_parallel_mode; --eval set global gtid_strict_mode = $gtid_strict_mode; --source include/start_slave.inc select @@slave_parallel_threads; --connection server_4 --source include/sync_with_master_gtid.inc select domain_id, seq_no from mysql.gtid_slave_pos order by seq_no desc limit 1; --source include/rpl_end.inc