SET @save_innodb_max_dirty_pages_pct=@@global.innodb_max_dirty_pages_pct;
set @@global.innodb_max_dirty_pages_pct=75;
SET @pct_lwm_start_value = @@global.innodb_max_dirty_pages_pct_lwm;
SELECT @pct_lwm_start_value;
@pct_lwm_start_value
0
SET @pct_start_value = @@global.innodb_max_dirty_pages_pct;
SELECT @pct_start_value;
@pct_start_value
75
'#--------------------FN_DYNVARS_046_01------------------------#'
SET @@global.innodb_max_dirty_pages_pct_lwm = 0;
SET @@global.innodb_max_dirty_pages_pct_lwm = DEFAULT;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
'#---------------------FN_DYNVARS_046_02-------------------------#'
SET innodb_max_dirty_pages_pct_lwm = 1;
ERROR HY000: Variable 'innodb_max_dirty_pages_pct_lwm' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@innodb_max_dirty_pages_pct_lwm;
@@innodb_max_dirty_pages_pct_lwm
0.000000
SELECT local.innodb_max_dirty_pages_pct_lwm;
ERROR 42S02: Unknown table 'local' in field list
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_03------------------------#'
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
SET @@global.innodb_max_dirty_pages_pct_lwm = @pct_start_value;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
'#--------------------FN_DYNVARS_046_04-------------------------#'
SET @@global.innodb_max_dirty_pages_pct_lwm = -1;
Warnings:
Warning	1292	Truncated incorrect innodb_max_dirty_pages_pct_lwm value: '-1'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = "T";
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct_lwm'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = "Y";
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct_lwm'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = @pct_start_value + 1;
Warnings:
Warning	1210	innodb_max_dirty_pages_pct_lwm cannot be set higher than innodb_max_dirty_pages_pct.
Warning	1210	Setting innodb_max_dirty_page_pct_lwm to 75.000000
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = 0.0;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = 1.1;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
1.100000
SET @@global.innodb_max_dirty_pages_pct_lwm = 51.12;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
51.120000
SET @@global.innodb_max_dirty_pages_pct_lwm = 100;
Warnings:
Warning	1292	Truncated incorrect innodb_max_dirty_pages_pct_lwm value: '100'
Warning	1210	innodb_max_dirty_pages_pct_lwm cannot be set higher than innodb_max_dirty_pages_pct.
Warning	1210	Setting innodb_max_dirty_page_pct_lwm to 75.000000
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = " ";
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct_lwm'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = ' ';
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct_lwm'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
'#----------------------FN_DYNVARS_046_05------------------------#'
SELECT @@global.innodb_max_dirty_pages_pct_lwm =
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_max_dirty_pages_pct_lwm';
@@global.innodb_max_dirty_pages_pct_lwm =
VARIABLE_VALUE
1
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_max_dirty_pages_pct_lwm';
VARIABLE_VALUE
75.000000
'#---------------------FN_DYNVARS_046_06-------------------------#'
SET @@global.innodb_max_dirty_pages_pct_lwm = OFF;
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct_lwm'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = ON;
ERROR 42000: Incorrect argument type to variable 'innodb_max_dirty_pages_pct_lwm'
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
75.000000
'#---------------------FN_DYNVARS_046_07----------------------#'
SET @@global.innodb_max_dirty_pages_pct_lwm = TRUE;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
1.000000
SET @@global.innodb_max_dirty_pages_pct_lwm = FALSE;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
SET @@global.innodb_max_dirty_pages_pct = @pct_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 = @pct_lwm_start_value;
SELECT @@global.innodb_max_dirty_pages_pct_lwm;
@@global.innodb_max_dirty_pages_pct_lwm
0.000000
SET @@global.innodb_max_dirty_pages_pct=@save_innodb_max_dirty_pages_pct;