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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
include/group_replication.inc
Warnings:
Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
Note #### Storing MySQL user name or password information in the connection metadata repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START REPLICA; see the 'START REPLICA Syntax' in the MySQL Manual for more information.
[connection server1]
############################################################
# 01. Create two tables on each server before start the group.
[connection server1]
SET SESSION sql_log_bin = 0;
CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY);
CREATE TABLE t2 (c1 INT NOT NULL PRIMARY KEY);
SET SESSION sql_log_bin = 1;
[connection server2]
SET SESSION sql_log_bin = 0;
CREATE TABLE t1 (c1 INT NOT NULL PRIMARY KEY);
CREATE TABLE t2 (c1 INT NOT NULL PRIMARY KEY);
INSERT INTO t2 VALUES (1);
call mtr.add_suppression("Replica SQL for channel 'group_replication_applier': Could not execute Write_rows event on table");
call mtr.add_suppression("Replica SQL for channel 'group_replication_applier': Worker [0-9] failed executing transaction*");
call mtr.add_suppression("Replica SQL for channel 'group_replication_applier': ... The replica coordinator and worker threads are stopped,*");
call mtr.add_suppression("The applier thread execution was aborted. Unable to process more transactions, this member will now leave the group.");
call mtr.add_suppression("Fatal error during execution on the Applier process of Group Replication. The server will now leave the group.");
call mtr.add_suppression("The server was automatically set into read only mode after an error was detected.");
call mtr.add_suppression("Skipping leave operation: concurrent attempt to leave the group is on-going.");
SET SESSION sql_log_bin = 1;
############################################################
# 02. Lock table t1 on server2 to block a future update.
[connection server_2]
LOCK table t1 READ;
############################################################
# 03. Bootstrap group on server1.
[connection server1]
include/start_and_bootstrap_group_replication.inc
############################################################
# 04. Execute transactions T1 on server1.
# T1 will block server2 on RECOVERING state.
[connection server1]
INSERT INTO t1 VALUES (1);
############################################################
# 05. Start group on server2, it will be on RECOVERING state.
[connection server2]
include/start_group_replication.inc
SET @@SESSION.group_replication_consistency= 'BEFORE';
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
BEGIN;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
COMMIT;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SET @@SESSION.group_replication_consistency= 'AFTER';
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
BEGIN;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
COMMIT;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SET @@SESSION.group_replication_consistency= 'BEFORE_AND_AFTER';
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
BEGIN;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
COMMIT;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
############################################################
# 06. Unlock table t1 on server2.
# Member will move to ONLINE state.
[connection server_2]
UNLOCK TABLES;
[connection server2]
include/gr_wait_for_member_state.inc
SET @@SESSION.group_replication_consistency= 'BEFORE';
SELECT COUNT(*) AS count FROM t1;
count
1
BEGIN;
SELECT COUNT(*) AS count FROM t1;
count
1
COMMIT;
SET @@SESSION.group_replication_consistency= 'AFTER';
SELECT COUNT(*) AS count FROM t1;
count
1
BEGIN;
SELECT COUNT(*) AS count FROM t1;
count
1
COMMIT;
SET @@SESSION.group_replication_consistency= 'BEFORE_AND_AFTER';
SELECT COUNT(*) AS count FROM t1;
count
1
BEGIN;
SELECT COUNT(*) AS count FROM t1;
count
1
COMMIT;
############################################################
# 07. Execute transactions T2 on server1.
# T2 will make server2 move to ERROR state due to
# duplicate key.
[connection server1]
INSERT INTO t2 VALUES (1);
[connection server2]
include/gr_wait_for_member_state.inc
SET @@SESSION.group_replication_consistency= 'BEFORE';
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
BEGIN;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
COMMIT;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SET @@SESSION.group_replication_consistency= 'AFTER';
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
BEGIN;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
COMMIT;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SET @@SESSION.group_replication_consistency= 'BEFORE_AND_AFTER';
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
BEGIN;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
SELECT COUNT(*) AS count FROM t1;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
COMMIT;
ERROR HY000: The option group_replication_consistency cannot be used on the current member state.
############################################################
# 08. Stop group on server2.
# Member will move to OFFLINE state.
include/stop_group_replication.inc
include/gr_wait_for_member_state.inc
SET @@SESSION.group_replication_consistency= 'BEFORE';
SELECT COUNT(*) AS count FROM t1;
count
1
BEGIN;
SELECT COUNT(*) AS count FROM t1;
count
1
COMMIT;
SET @@SESSION.group_replication_consistency= 'AFTER';
SELECT COUNT(*) AS count FROM t1;
count
1
BEGIN;
SELECT COUNT(*) AS count FROM t1;
count
1
COMMIT;
SET @@SESSION.group_replication_consistency= 'BEFORE_AND_AFTER';
SELECT COUNT(*) AS count FROM t1;
count
1
BEGIN;
SELECT COUNT(*) AS count FROM t1;
count
1
COMMIT;
SET @@SESSION.group_replication_consistency= DEFAULT;
############################################################
# 09. Clean up.
[connection server1]
DROP TABLE t1;
DROP TABLE t2;
[connection server2]
DROP TABLE t1;
DROP TABLE t2;
include/group_replication_end.inc
|
