# # Start Alter with Parallel Replication # 2 domain id # |Concurrent alters| < |Parallel workers on slave| # |x| denotes number of entities it encloses # slave_domain_parallel_threads < |Concurrent Alters| # --source include/have_log_bin.inc --source include/have_innodb.inc --source include/master-slave.inc --source include/have_debug.inc --connection master --let $binlog_alter_two_phase= `select @@binlog_alter_two_phase` set global binlog_alter_two_phase = ON; set binlog_alter_two_phase = ON; --connection slave --let $gtid_strict_mode= `select @@gtid_strict_mode` --let $slave_parallel_threads= `select @@slave_parallel_threads` --let $slave_parallel_mode= `select @@slave_parallel_mode` --let $slave_domain_parallel_threads= `select @@slave_domain_parallel_threads` set global gtid_strict_mode=1; --connection slave --source include/stop_slave.inc SET GLOBAL slave_parallel_threads=10; set global slave_parallel_mode=optimistic; set global slave_domain_parallel_threads=3; change master to master_use_gtid=slave_pos; --source include/start_slave.inc --echo # Parallel Slave --connection master --let $master_server= "master" --let $domain_1=11 --let $domain_2=12 --let $M_port= $MASTER_MYPORT --let $S_port= $SLAVE_MYPORT --let $sync_slave=1 --source include/start_alter_include.inc --connection master --source include/save_master_gtid.inc --connection slave --source include/sync_with_master_gtid.inc --echo # cleanup --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; --eval set global slave_domain_parallel_threads = $slave_domain_parallel_threads; set global gtid_domain_id= 0; --source include/start_slave.inc --connection master --eval set global binlog_alter_two_phase=$binlog_alter_two_phase; set global gtid_domain_id= 0; --source include/rpl_end.inc