mirror of
https://github.com/MariaDB/server.git
synced 2025-01-24 07:44:22 +01:00
34 lines
972 B
Text
34 lines
972 B
Text
|
# The slave is started with relay_log_space_limit=1024 bytes,
|
||
|
|
# to force the deadlock
|
||
|
|
|
||
|
|
source include/master-slave.inc;
|
||
|
|
connection slave;
|
||
|
|
stop slave;
|
||
|
|
connection master;
|
||
|
|
create table t1 (a int);
|
||
|
|
let $1=200;
|
||
|
|
disable_query_log;
|
||
|
|
while ($1)
|
||
|
|
{
|
||
|
|
# eval means expand $ expressions
|
||
|
|
eval insert into t1 values( $1 );
|
||
|
|
dec $1;
|
||
|
|
}
|
||
|
|
# This will generate one 10kB master's binlog
|
||
|
|
enable_query_log;
|
||
|
|
save_master_pos;
|
||
|
|
connection slave;
|
||
|
|
reset slave;
|
||
|
|
start slave;
|
||
|
|
# The I/O thread stops filling the relay log when
|
||
|
|
# it's 1kB. 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 1kB;
|
||
|
|
# it will timeout after 45 seconds;
|
||
|
|
# also the slave will probably not cooperate to shutdown
|
||
|
|
# (as 2 threads are locked)
|
||
|
|
select master_pos_wait('master-bin.001',5000,45)=-1;
|