SET @save_innodb_max_dirty_pages_pct=@@global.innodb_max_dirty_pages_pct;
set @@global.innodb_max_dirty_pages_pct=75;
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
75
SET @@global.innodb_max_dirty_pages_pct_lwm = 0;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
'#--------------------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
90.000000
'#---------------------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
90.000000
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
0.000000
'#--------------------FN_DYNVARS_046_03------------------------#'
SET @@global.innodb_max_dirty_pages_pct = 0.0;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0.000000
SET @@global.innodb_max_dirty_pages_pct = 1;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
1.000000
SET @@global.innodb_max_dirty_pages_pct = 99;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99.000000
'#--------------------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
74.000000
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 73.000000
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
73.000000
'#--------------------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 0.000000
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0.000000
SET @@global.innodb_max_dirty_pages_pct = -1024;
Warnings:
Warning	1292	Truncated incorrect innodb_max_dirty_pages_pct value: '-1024'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0.000000
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
0.000000
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
0.000000
SET @@global.innodb_max_dirty_pages_pct = 100;
Warnings:
Warning	1292	Truncated incorrect innodb_max_dirty_pages_pct value: '100'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99.999000
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
99.999000
SET @@global.innodb_max_dirty_pages_pct = 100000;
Warnings:
Warning	1292	Truncated incorrect innodb_max_dirty_pages_pct value: '100000'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99.999000
SET @@global.innodb_max_dirty_pages_pct = ' ';
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
99.999000
SET @@global.innodb_max_dirty_pages_pct = " ";
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
99.999000
SET @@global.innodb_max_dirty_pages_pct = 1.1;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
1.100000
set global innodb_max_dirty_pages_pct = 0.1;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0.100000
set global innodb_max_dirty_pages_pct = 31.34;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
31.340000
set global innodb_max_dirty_pages_pct = 100;
Warnings:
Warning	1292	Truncated incorrect innodb_max_dirty_pages_pct value: '100'
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99.999000
set global innodb_max_dirty_pages_pct = 99.999;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
99.999000
'#----------------------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
99.999000
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_max_dirty_pages_pct';
VARIABLE_VALUE
99.999000
'#---------------------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
99.999000
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
99.999000
'#---------------------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
1.000000
SET @@global.innodb_max_dirty_pages_pct = FALSE;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
0.000000
SET @@global.innodb_max_dirty_pages_pct = @global_start_value;
SELECT @@global.innodb_max_dirty_pages_pct;
@@global.innodb_max_dirty_pages_pct
75.000000
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
75.000000
SET @@global.innodb_max_dirty_pages_pct=@save_innodb_max_dirty_pages_pct;