slave stop;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
slave start;
stop slave;
create table t1 (a int);
drop table t1;
reset slave;
set global max_binlog_size=8192;
set global max_relay_log_size=8192-1;
select @@global.max_relay_log_size;
@@global.max_relay_log_size
4096
start slave;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
127.0.0.1	root	MASTER_PORT	1	master-bin.001	50477	slave-relay-bin.014	1221	master-bin.001	Yes	Yes			0		0	50477	1221
stop slave;
reset slave;
set global max_relay_log_size=(5*4096);
select @@global.max_relay_log_size;
@@global.max_relay_log_size
20480
start slave;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
127.0.0.1	root	MASTER_PORT	1	master-bin.001	50477	slave-relay-bin.004	9457	master-bin.001	Yes	Yes			0		0	50477	#
stop slave;
reset slave;
set global max_relay_log_size=0;
select @@global.max_relay_log_size;
@@global.max_relay_log_size
0
start slave;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
127.0.0.1	root	MASTER_PORT	1	master-bin.001	50477	slave-relay-bin.008	1283	master-bin.001	Yes	Yes			0		0	50477	1283
stop slave;
reset slave;
flush logs;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
127.0.0.1	root	MASTER_PORT	1		4	slave-relay-bin.001	4		No	No			0		0	0	4
reset slave;
start slave;
flush logs;
create table t1 (a int);
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
127.0.0.1	root	MASTER_PORT	1	master-bin.001	50535	slave-relay-bin.009	62	master-bin.001	Yes	Yes			0		0	50535	62
flush logs;
drop table t1;
show slave status;
Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
127.0.0.1	root	MASTER_PORT	1	master-bin.001	50583	slave-relay-bin.010	52	master-bin.001	Yes	Yes			0		0	50583	52
flush logs;
show master status;
File	Position	Binlog_do_db	Binlog_ignore_db
master-bin.002	4