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
|
include/rpl_init.inc [topology=1->2]
*** MDEV-5509: Incorrect value for Seconds_Behind_Master if parallel replication ***
connection server_2;
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
set @old_parallel_mode= @@GLOBAL.slave_parallel_mode;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=5;
set global slave_parallel_mode= optimistic;
include/start_slave.inc
connection server_1;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave");
connection server_2;
connection server_1;
INSERT INTO t1 VALUES (1,sleep(2));
Warnings:
Note 1592 Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statement is unsafe because it uses a system function that may return a different value on the slave
connection server_2;
include/wait_for_slave_param.inc [Seconds_Behind_Master]
Seconds_Behind_Master should be zero here because the slave is fully caught up and idle.
Seconds_Behind_Master = '0'
*** MDEV-8294: Inconsistent behavior of slave parallel threads at runtime ***
connection server_1;
INSERT INTO t1 VALUES (10,0);
SET sql_log_bin= 0;
DELETE FROM t1 WHERE a=10;
SET sql_log_bin= 1;
INSERT INTO t1 VALUES (10,0);
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;
a b
10 0
connection server_2;
include/wait_for_slave_sql_error.inc [errno=1062]
SET GLOBAL slave_parallel_threads=8;
STOP SLAVE;
SET GLOBAL sql_slave_skip_counter= 1;
include/start_slave.inc
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;
a b
10 0
*** MDEV-7818: Deadlock occurring with parallel replication and FTWRL ***
connection server_1;
CREATE TABLE t2 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t2 VALUES (1,0), (2,0), (3,0);
connection server_2;
include/stop_slave.inc
connection server_1;
SET @old_dbug= @@SESSION.debug_dbug;
SET @commit_id= 4242;
SET SESSION debug_dbug="+d,binlog_force_commit_id";
BEGIN;
UPDATE t2 SET b=b+1 WHERE a=2;
COMMIT;
BEGIN;
INSERT INTO t2 VALUES (4,10);
COMMIT;
SET SESSION debug_dbug= @old_dbug;
INSERT INTO t2 VALUES (5,0);
INSERT INTO t2 VALUES (6,0);
INSERT INTO t2 VALUES (7,0);
INSERT INTO t2 VALUES (8,0);
INSERT INTO t2 VALUES (9,0);
INSERT INTO t2 VALUES (10,0);
INSERT INTO t2 VALUES (11,0);
INSERT INTO t2 VALUES (12,0);
INSERT INTO t2 VALUES (13,0);
INSERT INTO t2 VALUES (14,0);
INSERT INTO t2 VALUES (15,0);
INSERT INTO t2 VALUES (16,0);
INSERT INTO t2 VALUES (17,0);
INSERT INTO t2 VALUES (18,0);
INSERT INTO t2 VALUES (19,0);
connection server_2;
connect s1, 127.0.0.1, root,, test, $SLAVE_MYPORT,;
BEGIN;
SELECT * FROM t2 WHERE a=2 FOR UPDATE;
a b
2 0
connection server_2;
include/start_slave.inc
connect s2, 127.0.0.1, root,, test, $SLAVE_MYPORT,;
FLUSH TABLES WITH READ LOCK;
connection s1;
COMMIT;
connection s1;
STOP SLAVE;
connection s2;
connection server_1;
SELECT * FROM t2 ORDER BY a;
a b
1 0
2 1
3 0
4 10
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 0
19 0
connection s2;
UNLOCK TABLES;
SELECT "after UNLOCK TABLES" as state;
state
after UNLOCK TABLES
connection s1;
SELECT "after reap of STOP SLAVE" as state;
state
after reap of STOP SLAVE
connection server_2;
include/wait_for_slave_to_stop.inc
include/start_slave.inc
SELECT * FROM t2 ORDER BY a;
a b
1 0
2 1
3 0
4 10
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 0
19 0
*** MDEV-8318: Assertion `!pool->busy' failed in pool_mark_busy(rpl_parallel_thread_pool*) on concurrent FTWRL ***
connection server_1;
LOCK TABLE t2 WRITE;
connect m1,localhost,root,,test;
connection m1;
FLUSH TABLES WITH READ LOCK;
connect m2,localhost,root,,test;
FLUSH TABLES WITH READ LOCK;
connection server_1;
KILL QUERY CID;
connection m1;
ERROR 70100: Query execution was interrupted
connection server_1;
UNLOCK TABLES;
connection m2;
UNLOCK TABLES;
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
set global slave_parallel_mode= @old_parallel_mode;
include/start_slave.inc
connection server_1;
DROP TABLE t1, t2;
include/rpl_end.inc
|
