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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
include/master-slave.inc
Warnings:
Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
Note #### Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
[connection master]
DROP TABLE IF EXISTS t1;
# Establish connection con1 (user=root)
# Establish connection con2 (user=root)
# Establish connection con3 (user=root)
# Establish connection con4 (user=root)
# reset replication to guarantee that master-bin.000001 is used
include/stop_slave.inc
RESET SLAVE;
RESET MASTER;
RESET MASTER;
CHANGE MASTER TO master_host="127.0.0.1",master_port=MASTER_PORT,master_user="root";
Warnings:
Note 1759 Sending passwords in plain text without SSL/TLS is extremely insecure.
Note 1760 Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
include/start_slave.inc
# Switch to connection con1
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 VALUES(1);
SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
ERROR HY000: Only REPEATABLE READ isolation level is supported for START TRANSACTION WITH CONSISTENT|SHARED|EXISTING SNAPSHOT in RocksDB Storage Engine.
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
ERROR HY000: Only REPEATABLE READ isolation level is supported for START TRANSACTION WITH CONSISTENT|SHARED|EXISTING SNAPSHOT in RocksDB Storage Engine.
ROLLBACK;
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 531 UUID:1-2
# Switch to connection con2
INSERT INTO t1 VALUES(2);
INSERT INTO t1 VALUES(3);
# Switch to connection con1
SELECT * FROM t1;
a
1
COMMIT;
SELECT * FROM t1;
a
1
2
3
DROP TABLE t1;
# Switch to connection con1
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 VALUES(1);
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 1510 UUID:1-7
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 1510 UUID:1-7
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 1510 UUID:1-7
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 1510 UUID:1-7
# Switch to connection con2
INSERT INTO t1 VALUES(2);
INSERT INTO t1 VALUES(3);
# Switch to connection con1
SELECT * FROM t1;
a
1
SELECT * INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' FROM t1;
COMMIT;
# Switch to slave
CREATE TABLE t1_backup LIKE t1;
INSERT INTO t1_backup SELECT * FROM t1;
include/stop_slave.inc
RESET SLAVE;
RESET MASTER;
DELETE FROM t1;
LOAD DATA INFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' INTO TABLE t1;
SELECT * FROM t1;
a
1
CHANGE MASTER TO master_host="127.0.0.1",master_port=MASTER_PORT,master_user="root",master_log_file="master-bin.000001",master_log_pos=binlog_pos;
Warnings:
Note 1759 Sending passwords in plain text without SSL/TLS is extremely insecure.
Note 1760 Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
include/start_slave.inc
SELECT * FROM t1;
a
1
2
3
SELECT * FROM t1_backup;
a
1
2
3
DROP TABLE t1_backup;
DROP TABLE t1;
# Switch to connection con1
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 VALUES(1);
# async queries from con2
INSERT INTO t1 VALUES(2);
# async queries from con3
INSERT INTO t1 VALUES(21);
# Switch to connection con1
# Switch to connection con4
INSERT INTO t1 VALUES(9);
# Switch to connection con1
SELECT * INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' FROM t1;
COMMIT;
# reap async statements
# Switch to slave
CREATE TABLE t1_backup LIKE t1;
INSERT INTO t1_backup SELECT * FROM t1;
include/stop_slave.inc
RESET SLAVE;
RESET MASTER;
DELETE FROM t1;
LOAD DATA INFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' INTO TABLE t1;
CHANGE MASTER TO master_host="127.0.0.1",master_port=MASTER_PORT,master_user="root",master_log_file="master-bin.000001",master_log_pos=binlog_pos;
Warnings:
Note 1759 Sending passwords in plain text without SSL/TLS is extremely insecure.
Note 1760 Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
include/start_slave.inc
# sync and then query slave
ShouldBeZero
0
DROP TABLE t1_backup;
DROP TABLE t1;
# Switch to connection con1
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 VALUES(1);
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 3688 UUID:1-18
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 3688 UUID:1-18
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 3688 UUID:1-18
START TRANSACTION WITH CONSISTENT ROCKSDB SNAPSHOT;
File Position Gtid_executed
master-bin.000001 3688 UUID:1-18
# Switch to connection con2
INSERT INTO t1 VALUES(2);
INSERT INTO t1 VALUES(3);
# Switch to connection con1
SELECT * FROM t1;
a
1
SELECT * INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' FROM t1;
COMMIT;
# Switch to slave
CREATE TABLE t1_backup LIKE t1;
INSERT INTO t1_backup SELECT * FROM t1;
include/stop_slave.inc
RESET SLAVE;
RESET MASTER;
SET @@global.gtid_purged='gtid_executed_from_snapshot';
DELETE FROM t1;
LOAD DATA INFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' INTO TABLE t1;
SELECT * FROM t1;
a
1
CHANGE MASTER TO master_host="127.0.0.1",master_port=MASTER_PORT,master_user="root", master_auto_position=1;
Warnings:
Note 1759 Sending passwords in plain text without SSL/TLS is extremely insecure.
Note 1760 Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
include/start_slave.inc
SELECT * FROM t1;
a
1
2
3
SELECT * FROM t1_backup;
a
1
2
3
DROP TABLE t1_backup;
DROP TABLE t1;
# Switch to connection con1
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=rocksdb;
INSERT INTO t1 VALUES(1);
# async queries from con2
INSERT INTO t1 VALUES(2);
# async queries from con3
INSERT INTO t1 VALUES(21);
# Switch to connection con1
# Switch to connection con4
INSERT INTO t1 VALUES(9);
# Switch to connection con1
SELECT * INTO OUTFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' FROM t1;
COMMIT;
# reap async statements
# Switch to slave
CREATE TABLE t1_backup LIKE t1;
INSERT INTO t1_backup SELECT * FROM t1;
include/stop_slave.inc
RESET SLAVE;
RESET MASTER;
SET @@global.gtid_purged='gtid_executed_from_snapshot';
DELETE FROM t1;
LOAD DATA INFILE '<MYSQLTEST_VARDIR>/tmp/rpl_rocksdb_snapshot.out.file' INTO TABLE t1;
CHANGE MASTER TO master_host="127.0.0.1",master_port=MASTER_PORT,master_user="root", master_auto_position=1;
Warnings:
Note 1759 Sending passwords in plain text without SSL/TLS is extremely insecure.
Note 1760 Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
include/start_slave.inc
# sync and then query slave
ShouldBeZero
0
DROP TABLE t1_backup;
DROP TABLE t1;
# Switch to connection default + close connections con1 and con2
include/stop_slave.inc
CHANGE MASTER to master_auto_position=0;
include/start_slave.inc
include/rpl_end.inc
|
