blob: d4ef2fe59bdfbbe9eea8ce49bed47571fa0d38d5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
# The slave is started with relay_log_space_limit=10 bytes,
# to force the deadlock after one event.
source include/master-slave.inc;
connection slave;
stop slave;
connection master;
# This will generate a master's binlog > 10 bytes
create table t1 (a int);
drop table t1;
create table t1 (a int);
drop table t1;
connection slave;
reset slave;
start slave io_thread;
# Give the I/O thread time to block.
let $run= 1;
let $counter= 300;
while ($run)
{
let $io_state= query_get_value("SHOW SLAVE STATUS", Slave_IO_State, 1);
if (`SELECT '$io_state' = 'Waiting for the slave SQL thread to free enough relay log space'`){
let $run= 0;
}
sleep 0.1;
if (!$counter){
--echo "Failed while waiting for slave IO thread block"
SHOW SLAVE STATUS;
exit;
}
dec $counter;
}
sleep 2;
# A bug caused the I/O thread to refuse stopping.
stop slave io_thread;
reset slave;
start slave;
# The I/O thread stops filling the relay log when
# it's >10b. And the SQL thread cannot purge this relay log
# as purge is done only when the SQL thread switches to another
# relay log, which does not exist here.
# So we should have a deadlock.
# if it is not resolved automatically we'll detect
# it with master_pos_wait that waits for farther than 1Ob;
# it will timeout after 10 seconds;
# also the slave will probably not cooperate to shutdown
# (as 2 threads are locked)
select master_pos_wait('master-bin.001',200,6)=-1;
# End of 4.1 tests
|
