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 master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
[connection master]
Test to show that combination of Backup + Restore and
Binlog positioning correctly recovers a slave
stop slave;
use test;
create table ticker (a int primary key) engine=ndb;
reset master;
use test;
create procedure tick(times int)
begin
set @x = 1;
repeat
insert into test.ticker values (@x);
select sleep(0.1);
set @x = @x + 1;
until @x > times
end repeat;
end %
Insert ticks into the table every 100 millis for 20s
call tick(200);;
select sleep(2);
sleep(2)
0
Run backup snapshotend
Starting backup
Backup started
Waiting for backup to complete
Backup completed
select sleep(2);
sleep(2)
0
Run backup snapshotstart
Starting backup
Backup started
Waiting for backup to complete
Backup completed
Wait for ticker to stop
Expect 200 entries on Master
select count(1) from test.ticker;
count(1)
200
select max(a) from test.ticker;
max(a)
200
Replicate as normal
use test;
create table ticker (a int primary key) engine=ndb;
start slave;
Expect 200 entries on Slave
select count(1) from test.ticker;
count(1)
200
select max(a) from test.ticker;
max(a)
200
Verify backup restoration is correct wrt binlog positions
Restore backup on the slave
stop slave;
truncate table test.ticker;
delete from mysql.ndb_apply_status;
select @backup_rows:=count(1) from test.ticker;
select @backup_max_val:=max(a) from test.ticker;
select @backup_rows - @backup_max_val;
@backup_rows - @backup_max_val
0
start slave;
Expect 200 rows when backup and binlog subset combined on slave
select count(1) from test.ticker;
count(1)
200
select max(a) from test.ticker;
max(a)
200
Now check Binlog apply alone
stop slave;
truncate table test.ticker;
delete from mysql.ndb_apply_status;
start slave;
select @log_rows:=count(1) from test.ticker;
select @log_max_val:=max(a) from test.ticker;
Expect 200 when adding backup and log rows
select @backup_rows + @log_rows;
@backup_rows + @log_rows
200
select @log_max_val;
@log_max_val
200
Restore backup on the slave
stop slave;
truncate table test.ticker;
delete from mysql.ndb_apply_status;
select @backup_rows:=count(1) from test.ticker;
select @backup_max_val:=max(a) from test.ticker;
select @backup_rows - @backup_max_val;
@backup_rows - @backup_max_val
0
start slave;
Expect 200 rows when backup and binlog subset combined on slave
select count(1) from test.ticker;
count(1)
200
select max(a) from test.ticker;
max(a)
200
Now check Binlog apply alone
stop slave;
truncate table test.ticker;
delete from mysql.ndb_apply_status;
start slave;
select @log_rows:=count(1) from test.ticker;
select @log_max_val:=max(a) from test.ticker;
Expect 200 when adding backup and log rows
select @backup_rows + @log_rows;
@backup_rows + @log_rows
200
select @log_max_val;
@log_max_val
200
Cleanup
drop procedure tick;
drop table ticker;
reset master;
include/rpl_end.inc