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
|
# ==== Purpose ====
#
# Check replication protocol packet size handling
#
# ==== Related bugs ====
# Bug#19402 SQL close to the size of the max_allowed_packet fails on slave
# BUG#23755: Replicated event larger that max_allowed_packet infinitely re-transmits
# BUG#42914: No LAST_IO_ERROR for max_allowed_packet errors
# BUG#55322: SHOW BINLOG EVENTS increases @@SESSION.MAX_ALLOWED_PACKET
# max-out size db name
source include/master-slave.inc;
source include/have_binlog_format_row.inc;
call mtr.add_suppression("Slave I/O: Got a packet bigger than 'slave_max_allowed_packet' bytes, Error_code: 1153");
call mtr.add_suppression("Log entry on master is longer than slave_max_allowed_packet");
let $db= DB_NAME_OF_MAX_LENGTH_AKA_NAME_LEN_64_BYTES_____________________;
disable_warnings;
eval drop database if exists $db;
enable_warnings;
eval create database $db;
connection master;
let $old_max_allowed_packet= `SELECT @@global.max_allowed_packet`;
let $old_net_buffer_length= `SELECT @@global.net_buffer_length`;
let $old_slave_max_allowed_packet= `SELECT @@global.slave_max_allowed_packet`;
SET @@global.max_allowed_packet=1024;
SET @@global.net_buffer_length=1024;
sync_slave_with_master;
# Restart slave for setting to take effect
source include/stop_slave.inc;
source include/start_slave.inc;
# Reconnect to master for new setting to take effect
disconnect master;
# alas, can't use eval here; if db name changed apply the change here
connect (master,localhost,root,,DB_NAME_OF_MAX_LENGTH_AKA_NAME_LEN_64_BYTES_____________________);
connection master;
select @@net_buffer_length, @@max_allowed_packet;
create table `t1` (`f1` LONGTEXT) ENGINE=MyISAM;
INSERT INTO `t1`(`f1`) VALUES ('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1023');
sync_slave_with_master;
eval select count(*) from `$db`.`t1` /* must be 1 */;
SHOW STATUS LIKE 'Slave_running';
select * from information_schema.session_status where variable_name= 'SLAVE_RUNNING';
connection master;
eval drop database $db;
sync_slave_with_master;
#
# Bug #23755: Replicated event larger that max_allowed_packet infinitely re-transmits
#
# Check that a situation when the size of event on the master is greater than
# max_allowed_packet on the slave does not lead to infinite re-transmits.
connection master;
# Change the max packet size on master
SET @@global.max_allowed_packet=4096;
SET @@global.net_buffer_length=4096;
# Restart slave for new setting to take effect
connection slave;
source include/stop_slave.inc;
source include/start_slave.inc;
# Reconnect to master for new setting to take effect
disconnect master;
connect (master, localhost, root);
connection master;
CREATE TABLE `t1` (`f1` LONGTEXT) ENGINE=MyISAM;
sync_slave_with_master;
connection master;
INSERT INTO `t1`(`f1`) VALUES ('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa2048');
#
# Bug#42914: The slave I/O thread must stop after trying to read the above
# event, However there is no Last_IO_Error report.
#
# The slave I/O thread must stop after trying to read the above event
connection slave;
# 1153 = ER_NET_PACKET_TOO_LARGE
--let $slave_io_errno= 1153
--let $show_slave_io_error= 1
--source include/wait_for_slave_io_error.inc
# TODO: this is needed because of BUG#55790. Remove once that is fixed.
--source include/stop_slave_sql.inc
#
# Bug#42914: On the master, if a binary log event is larger than
# max_allowed_packet, the error message ER_MASTER_FATAL_ERROR_READING_BINLOG
# is sent to a slave when it requests a dump from the master, thus leading the
# I/O thread to stop. However, there is no Last_IO_Error reported.
#
--let $rpl_only_running_threads= 1
--source include/rpl_reset.inc
--connection master
DROP TABLE t1;
--sync_slave_with_master
connection master;
CREATE TABLE t1 (f1 int PRIMARY KEY, f2 LONGTEXT, f3 LONGTEXT) ENGINE=MyISAM;
sync_slave_with_master;
connection master;
INSERT INTO t1(f1, f2, f3) VALUES(1, REPEAT('a', @@global.max_allowed_packet), REPEAT('b', @@global.max_allowed_packet));
connection slave;
# The slave I/O thread must stop after receiving
# 1153 = ER_NET_PACKET_TOO_LARGE
--let $slave_io_errno= 1153
--let $show_slave_io_error= 1
--source include/wait_for_slave_io_error.inc
# Remove the bad binlog and clear error status on slave.
STOP SLAVE;
RESET SLAVE;
--connection master
RESET MASTER;
#
# BUG#55322: SHOW BINLOG EVENTS increases @@SESSION.MAX_ALLOWED_PACKET
#
# In BUG#55322, @@session.max_allowed_packet increased each time SHOW
# BINLOG EVENTS was issued. To verify that this bug is fixed, we
# execute SHOW BINLOG EVENTS twice and check that max_allowed_packet
# never changes. We turn off the result log because we don't care
# about the contents of the binlog.
--disable_result_log
SET @max_allowed_packet_0= @@session.max_allowed_packet;
SHOW BINLOG EVENTS;
SET @max_allowed_packet_1= @@session.max_allowed_packet;
SHOW BINLOG EVENTS;
SET @max_allowed_packet_2= @@session.max_allowed_packet;
--enable_result_log
if (`SELECT NOT(@max_allowed_packet_0 = @max_allowed_packet_1 AND @max_allowed_packet_1 = @max_allowed_packet_2)`)
{
--echo ERROR: max_allowed_packet changed after executing SHOW BINLOG EVENTS
--source include/show_rpl_debug_info.inc
SELECT @max_allowed_packet_0, @max_allowed_packet_1, @max_allowed_packet_2;
--die @max_allowed_packet changed after executing SHOW BINLOG EVENTS
}
--echo ==== clean up ====
connection master;
DROP TABLE t1;
eval SET @@global.max_allowed_packet= $old_max_allowed_packet;
eval SET @@global.net_buffer_length= $old_net_buffer_length;
eval SET @@global.slave_max_allowed_packet= $old_slave_max_allowed_packet;
# slave is stopped
connection slave;
DROP TABLE t1;
# Clear Last_IO_Error
RESET SLAVE;
--source include/rpl_end.inc
# End of tests
|
