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
|
select @@global.max_binlog_total_size;
@@global.max_binlog_total_size
1500
select @@global.max_binlog_size;
@@global.max_binlog_size
4096
#
# MDEV-31404 Implement binlog_space_limit
#
FLUSH LOGS;
FLUSH LOGS;
FLUSH LOGS;
show binary logs;
Log_name File_size
binary.000001 #
binary.000002 #
binary.000003 #
binary.000004 #
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 1552
set @@global.slave_connections_needed_for_purge= 0;
# binary.000001 should be deleted now
show binary logs;
Log_name File_size
binary.000002 #
binary.000003 #
binary.000004 #
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 1183
CREATE TABLE `t1` (
`v1` int(11) DEFAULT NULL,
`v2` varchar(8000) DEFAULT NULL,
KEY `v1` (`v1`)
) engine=myisam;
INSERT INTO t1 VALUES (0,repeat("a",3000));
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 3863
# First binary should be binary.000004
show binary logs;
Log_name File_size
binary.000004 #
INSERT INTO t1 VALUES (2,repeat("b",10));
# First binary should be binary.000004
show binary logs;
Log_name File_size
binary.000004 #
binary.000005 #
FLUSH LOGS;
# First binary should be binary.000005
show binary logs;
Log_name File_size
binary.000005 #
binary.000006 #
FLUSH LOGS;
FLUSH LOGS;
FLUSH LOGS;
FLUSH LOGS;
show binary logs;
Log_name File_size
binary.000008 #
binary.000009 #
binary.000010 #
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 1225
PURGE BINARY LOGS TO 'binary.000009';
# First binary should be binary.000009
show binary logs;
Log_name File_size
binary.000009 #
binary.000010 #
INSERT INTO t1 VALUES (3,repeat("c",4000));
# First binary should be binary.000010
show binary logs;
Log_name File_size
binary.000010 #
binary.000011 #
INSERT INTO t1 VALUES (4,repeat("d",3000));
# First binary should be binary.000011
show binary logs;
Log_name File_size
binary.000011 #
RESET MASTER;
show binary logs;
Log_name File_size
binary.000001 #
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 325
INSERT INTO t1 VALUES (5,"e");
FLUSH LOGS;
INSERT INTO t1 VALUES (6,repeat("f",3000));
show binary logs;
Log_name File_size
binary.000002 #
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 3647
INSERT INTO t1 VALUES (7,repeat("g",3000));
# binary.000001 should be deleted now
show binary logs;
Log_name File_size
binary.000002 #
binary.000003 #
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 7338
FLUSH LOGS;
FLUSH LOGS;
# binary.000002 should be deleted now
show binary logs;
Log_name File_size
binary.000003 423
binary.000004 423
binary.000005 379
show status like "binlog_disk_use";
Variable_name Value
Binlog_disk_use 1225
DROP TABLE IF EXISTS t1;
set @@global.slave_connections_needed_for_purge= default;
|
