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
|
SET @global_start_value = @@global.innodb_max_dirty_pages_pct;
SELECT @global_start_value;
@global_start_value
75
SET @global_start_max_dirty_lwm_value = @@global.innodb_max_dirty_pages_pct_lwm;
SELECT @global_start_max_dirty_lwm_value;
@global_start_max_dirty_lwm_value
0
SET @@global.innodb_max_dirty_pages_pct_lwm = 0;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@global.innodb_max_dirty_pages_pct = 0;
SET @@global.innodb_max_dirty_pages_pct = DEFAULT;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
75
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_max_dirty_pages_pct = 1;
ERROR HY000: Variable 'innodb_max_dirty_pages_pct' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@innodb_max_dirty_pages_pct;
@@innodb_max_dirty_pages_pct
75
SELECT local.innodb_max_dirty_pages_pct;
ERROR 42S02: Unknown table 'local' in field list
SET global innodb_max_dirty_pages_pct = 0;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@global.innodb_max_dirty_pages_pct = 0;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0
SET @@global.innodb_max_dirty_pages_pct = 1;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
1
SET @@global.innodb_max_dirty_pages_pct = 99;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99
'#--------------------FN_DYNVARS_046_04------------------------#'
SET @@global.innodb_max_dirty_pages_pct_lwm = @global_start_value - 1;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
74
SET @@global.innodb_max_dirty_pages_pct = @global_start_value - 2;
Warnings:
Warning 1210 innodb_max_dirty_pages_pct cannot be set lower than innodb_max_dirty_pages_pct_lwm.
Warning 1210 Lowering innodb_max_dirty_page_pct_lwm to 73
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
73
'#--------------------FN_DYNVARS_046_05-------------------------#'
SET @@global.innodb_max_dirty_pages_pct = -1;
Warnings:
Warning 1292 Truncated incorrect innodb_max_dirty_pages_pct value: '-1'
Warning 1210 innodb_max_dirty_pages_pct cannot be set lower than innodb_max_dirty_pages_pct_lwm.
Warning 1210 Lowering innodb_max_dirty_page_pct_lwm to 0
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0
SET @@global.innodb_max_dirty_pages_pct = "T";
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0
SET @@global.innodb_max_dirty_pages_pct = "Y";
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0
SET @@global.innodb_max_dirty_pages_pct = 1001;
Warnings:
Warning 1292 Truncated incorrect innodb_max_dirty_pages_pct value: '1001'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99
'#----------------------FN_DYNVARS_046_06------------------------#'
SELECT @@global.innodb_max_dirty_pages_pct =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_max_dirty_pages_pct';
@@global.innodb_max_dirty_pages_pct =
VARIABLE_VALUE
1
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_max_dirty_pages_pct';
VARIABLE_VALUE
99
'#---------------------FN_DYNVARS_046_07-------------------------#'
SET @@global.innodb_max_dirty_pages_pct = OFF;
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99
SET @@global.innodb_max_dirty_pages_pct = ON;
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99
'#---------------------FN_DYNVARS_046_08----------------------#'
SET @@global.innodb_max_dirty_pages_pct = TRUE;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
1
SET @@global.innodb_max_dirty_pages_pct = FALSE;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0
SET @@global.innodb_max_dirty_pages_pct = @global_start_value;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
75
SET @@global.innodb_max_dirty_pages_pct_lwm = @global_start_max_dirty_lwm_value;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0
|
