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
|
# Testing master to slave heartbeat protocol
#
# Including:
# - user interface, grammar, checking the range and warnings about
# unreasonable values for the heartbeat period;
# - no rotation of relay log if heartbeat is less that slave_net_timeout
# - SHOW STATUS like 'Slave_received_heartbeats' action
# - SHOW STATUS like 'Slave_heartbeat_period' report
-- source include/have_log_bin.inc
connect (master,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
connect (slave,localhost,root,,test,$SLAVE_MYPORT,$SLAVE_MYSOCK);
connection master;
reset master;
connection slave;
set @restore_slave_net_timeout= @@global.slave_net_timeout;
set @@global.slave_net_timeout= 10;
###
### Checking the range
###
#
# default period slave_net_timeout/2
#
--replace_result $MASTER_MYPORT MASTER_PORT
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root';
--query_vertical show status like 'Slave_heartbeat_period';
#
# the max for the period is ULONG_MAX/1000; an attempt to exceed it is denied
#
--replace_result $MASTER_MYPORT MASTER_PORT
--error ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 4294968;
--query_vertical show status like 'Slave_heartbeat_period';
#
# the min value for the period is 1 millisecond an attempt to assign a
# lesser will be warned with treating the value as zero
#
connection slave;
--replace_result $MASTER_MYPORT MASTER_PORT
### 5.1 mtr does not have --warning ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 0.0009999;
--query_vertical show status like 'Slave_heartbeat_period';
#
# the actual max and min must be accepted
#
--replace_result $MASTER_MYPORT MASTER_PORT
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 4294967;
--query_vertical show status like 'Slave_heartbeat_period';
--replace_result $MASTER_MYPORT MASTER_PORT
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 0.001;
--query_vertical show status like 'Slave_heartbeat_period';
reset slave;
#
# A warning if period greater than slave_net_timeout
#
set @@global.slave_net_timeout= 5;
--replace_result $MASTER_MYPORT MASTER_PORT
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 5.001;
--query_vertical show status like 'Slave_heartbeat_period';
reset slave;
#
# A warning if slave_net_timeout is set to less than the current HB period
#
set @@global.slave_net_timeout= 5;
--replace_result $MASTER_MYPORT MASTER_PORT
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 4;
--query_vertical show status like 'Slave_heartbeat_period';
set @@global.slave_net_timeout= 3 /* must be a warning */;
reset slave;
###
### checking no rotation
###
connection master;
--disable_warnings
drop table if exists t1;
--enable_warnings
#
# Even though master_heartbeat_period= 0.5 is 20 times less than
# @@global.slave_net_timeout= 10 in some circumstances master will
# not be able to send any heartbeat during the slave's net timeout
# and slave's relay log will rotate.
# The probability for such a scenario is pretty small so the following
# part is almost deterministic.
#
connection slave;
set @@global.slave_net_timeout= 10;
--replace_result $MASTER_MYPORT MASTER_PORT
# no error this time but rather a warning
eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT, master_user='root', master_heartbeat_period= 0.5;
--query_vertical show status like 'Slave_heartbeat_period';
start slave;
connection master;
create table t1 (f1 int);
#connection slave;
sync_slave_with_master;
let $slave_param= Relay_Log_File;
let $slave_param_value= query_get_value(SHOW SLAVE STATUS, Relay_Log_File, 1);
# there is an explicit sleep lasting longer than slave_net_timeout
# to ensure that nothing will come to slave from master for that period.
# That would cause reconnecting and relaylog rotation w/o the fix i.e
# without a heartbeat received.
real_sleep 15;
# check (compare with the previous show's results) that no rotation happened
source include/check_slave_param.inc;
###
### SHOW STATUS like 'Slave_heartbeat_period' and 'Slave_received_heartbeats'
###
--query_vertical show status like 'Slave_heartbeat_period';
#
# proof that there has been received at least one heartbeat;
# The exact number of received heartbeat is an indeterministic value
# and therefore it's not recorded into results.
#
let $slave_wait_param_counter= 300;
let $slave_value= query_get_value("SHOW STATUS like 'Slave_received_heartbeats'", Value, 1);
# Checking the fact that at least one heartbeat is received
while (!$slave_value)
{
dec $slave_wait_param_counter;
if (!$slave_wait_param_counter)
{
--echo ERROR: failed while waiting for slave parameter $slave_param: $slave_param_value
query_vertical show slave status;
SHOW STATUS like 'Slave_received_heartbeats';
exit;
}
sleep 0.1;
let $slave_value= query_get_value("SHOW STATUS like 'Slave_received_heartbeats'", Value, 1);
}
--echo A heartbeat has been received by the slave
# cleanup
connection master;
drop table t1;
#connection slave;
sync_slave_with_master;
set @@global.slave_net_timeout= @restore_slave_net_timeout;
--source include/stop_slave.inc
--echo End of tests
|