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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
# MDEV-20821 parallel slave server shutdown hang
#
# Test the bug condition of a parallel slave server shutdown
# hang when the parallel workers were idle.
# The bug reported scenario is extented to cover the multi-sources case as well as
# checking is done for both the idle and busy workers cases.
#
# MDEV-25336 Parallel replication causes failed assert while restarting
# Since this test case involves slave restart this will help in testing
# Mdev-25336 too.
--source include/have_innodb.inc
--source include/have_binlog_format_mixed.inc
--let $rpl_topology= 1->3
--source include/rpl_init.inc
#
# A. idle workers.
#
--connection server_3
set default_master_connection = '';
--source include/start_slave.inc
set default_master_connection = 'm2';
--replace_result $SERVER_MYPORT_2 SERVER_MYPORT_2
eval change master to master_host='127.0.0.1', master_port=$SERVER_MYPORT_2, master_user='root', master_ssl_verify_server_cert=0, master_use_gtid=slave_pos;
--source include/start_slave.inc
select @@global.slave_parallel_workers as two;
# At this point worker threads have no assignement.
# Shutdown must not hang.
# In 10.2/10.3 there should not be any assert failure `prev != 0 && next != 0'
--connection server_3
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
wait
EOF
--send SHUTDOWN
--reap
--source include/wait_until_disconnected.inc
--connection server_3
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
restart
EOF
# No hang is *proved* to occur when this point is reached.
--connection server_3
--enable_reconnect
--source include/wait_until_connected_again.inc
#
# B. resting workers after some busy time
#
--connection server_1
create table t1 (i int primary key) engine=Innodb;
--connection server_2
create table t2 (i int primary key) engine=Innodb;
--connection server_3
set default_master_connection = '';
--source include/start_slave.inc
set default_master_connection = 'm2';
--source include/start_slave.inc
--connection server_2
insert into t2 values (1);
--save_master_pos
--connection server_3
--sync_with_master 0,'m2'
--connection server_1
insert into t1 values (1);
--save_master_pos
--connection server_3
--sync_with_master 0,''
# In 10.2/10.3 there should not be any assert failure `prev != 0 && next != 0'
# At this point worker threads have no assignement.
# Shutdown must not hang.
--connection server_3
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
wait
EOF
--send SHUTDOWN
--reap
--source include/wait_until_disconnected.inc
--connection server_3
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
restart
EOF
# No hang is *proved* to occur when this point is reached.
--connection server_3
--enable_reconnect
--source include/wait_until_connected_again.inc
#
# C. busy workers
#
--connection server_3
set default_master_connection = '';
--source include/start_slave.inc
set default_master_connection = 'm2';
--source include/start_slave.inc
--connect (conn_block_server3, 127.0.0.1, root,, test, $SERVER_MYPORT_3,)
begin;
insert into t1 values (2);
insert into t2 values (2);
--connection server_1
insert into t1 values (2);
--connection server_2
insert into t2 values (2);
# In 10.2/10.3 there should not be any assert failure `prev != 0 && next != 0'
# At this point there's a good chance the worker threads are busy.
# SHUTDOWN must proceed without any delay as above.
--connection server_3
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
wait
EOF
--send SHUTDOWN
--reap
--source include/wait_until_disconnected.inc
--connection server_3
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.3.expect
restart
EOF
# No hang is *proved* to occur when this point is reached.
--connection server_3
--enable_reconnect
--source include/wait_until_connected_again.inc
# Cleanup
--connection server_3
set default_master_connection = '';
--source include/start_slave.inc
set default_master_connection = 'm2';
--source include/start_slave.inc
--connection server_1
drop table t1;
--connection server_2
drop table t2;
--save_master_pos
# (!) The following block is critical to avoid check-mysqld_3.reject by mtr:
--connection server_3
--sync_with_master 0,'m2'
set default_master_connection = 'm2';
--source include/stop_slave.inc
RESET SLAVE ALL;
set default_master_connection = '';
--source include/rpl_end.inc
|
