94 lines
3.3 KiB
Plaintext
94 lines
3.3 KiB
Plaintext
SET @start_io_capacity = @@global.innodb_io_capacity;
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SELECT @start_io_capacity;
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@start_io_capacity
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200
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SET @start_max_io_capacity = @@global.innodb_io_capacity_max;
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SELECT @start_max_io_capacity;
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@start_max_io_capacity
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2000
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Valid value 100 or more
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select @@global.innodb_io_capacity > 99;
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@@global.innodb_io_capacity > 99
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1
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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200
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select @@session.innodb_io_capacity;
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ERROR HY000: Variable 'innodb_io_capacity' is a GLOBAL variable
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show global variables like 'innodb_io_capacity';
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Variable_name Value
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innodb_io_capacity 200
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show session variables like 'innodb_io_capacity';
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Variable_name Value
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innodb_io_capacity 200
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select * from performance_schema.global_variables where variable_name='innodb_io_capacity';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_io_capacity 200
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select * from performance_schema.session_variables where variable_name='innodb_io_capacity';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_io_capacity 200
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set global innodb_io_capacity=123;
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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123
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select * from performance_schema.global_variables where variable_name='innodb_io_capacity';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_io_capacity 123
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select * from performance_schema.session_variables where variable_name='innodb_io_capacity';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_io_capacity 123
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set session innodb_io_capacity=233;
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ERROR HY000: Variable 'innodb_io_capacity' is a GLOBAL variable and should be set with SET GLOBAL
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set @@global.innodb_io_capacity=100;
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set @@global.innodb_io_capacity=DEFAULT;
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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200
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set global innodb_io_capacity=1.1;
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ERROR 42000: Incorrect argument type to variable 'innodb_io_capacity'
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set global innodb_io_capacity=1e1;
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ERROR 42000: Incorrect argument type to variable 'innodb_io_capacity'
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set global innodb_io_capacity="foo";
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ERROR 42000: Incorrect argument type to variable 'innodb_io_capacity'
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set global innodb_io_capacity=7;
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Warnings:
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Warning 1292 Truncated incorrect innodb_io_capacity value: '7'
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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100
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select * from performance_schema.global_variables where variable_name='innodb_io_capacity';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_io_capacity 100
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set global innodb_io_capacity=-7;
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Warnings:
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Warning 1292 Truncated incorrect innodb_io_capacity value: '-7'
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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100
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select * from performance_schema.global_variables where variable_name='innodb_io_capacity';
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VARIABLE_NAME VARIABLE_VALUE
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innodb_io_capacity 100
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set global innodb_io_capacity=100;
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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100
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set global innodb_io_capacity=@start_max_io_capacity;
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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2000
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set global innodb_io_capacity=@start_max_io_capacity + 1;
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Warnings:
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Warning 1210 innodb_io_capacity cannot be set higher than innodb_io_capacity_max.
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Warning 1210 Setting innodb_io_capacity to 2000
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select @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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2000
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SET @@global.innodb_io_capacity = @start_io_capacity;
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SELECT @@global.innodb_io_capacity;
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@@global.innodb_io_capacity
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200
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SET @@global.innodb_io_capacity_max = @start_max_io_capacity;
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SELECT @@global.innodb_io_capacity_max;
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@@global.innodb_io_capacity_max
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2000
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