Files

tuning_params_mariadb.csv

1	Category	name (Parameter to be adjusted)	desc (Parameter description)	get (Command for querying parameter values.)	set (Command for setting parameter values)	needrestart(Whether require restart or not)	type (discrete/continuous)	options (For the discrete type, use";"to split different values.)	dtype (For discrete, the parameter value type can only be int or string.)	scope (Minimum value of the parameter)	scope (Maximum Value of the parameter)	step (Step of the parameter value)	items (Enumerated values out of parameter values. Use ";" to split different values)	select (whether to select the parameter)	Remarks
2	mariadb	mariadb.key_buffer_size	Index parameters of the myisam storage engine	cat /etc/my.cnf \| grep key_buffer_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/key_buffer_size.*/key_buffer_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1048576	536870912	1048576		yes
3		mariadb.max_allowed_packet	Maximum number of received packets	cat /etc/my.cnf \| grep max_allowed_packet \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/max_allowed_packet.*/max_allowed_packet = $value/g' /etc/my.cnf	FALSE	discrete		int	1048576	104857600	1048576		yes
4		mariadb.table_open_cache	Table cache for storing data	cat /etc/my.cnf \| grep table_open_cache \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/table_open_cache.*/table_open_cache = $value/g' /etc/my.cnf	FALSE	discrete		int	16	1000000	2		yes
5		mariadb.back_log	The number of new requests stored in the stack	cat /etc/my.cnf \| grep back_log \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/back_log.*/back_log = $value/g' /etc/my.cnf	FALSE	continuous		int	16	65536			yes
6		mariadb.sort_buffer_size	Cache used for sorting	cat /etc/my.cnf \| grep sort_buffer_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/sort_buffer_size.*/sort_buffer_size = $value/g' /etc/my.cnf	FALSE	discrete		int	256	104857600	1024		yes
7		mariadb.read_buffer_size	the buffer allocated to each thread during sequential table scanning.	cat /etc/my.cnf \| grep read_buffer_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/read_buffer_size.*/read_buffer_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1024	104857600	1024		yes
8		mariadb.read_rnd_buffer_size	the buffer allocated to each thread when the table is read randomly	cat /etc/my.cnf \| grep read_rnd_buffer_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/read_rnd_buffer_size.*/read_rnd_buffer_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1024	104857600	1024		yes
9		mariadb.myisam_sort_buffer_size	the buffer required for reordering when the MyISAM table changes	cat /etc/my.cnf \| grep myisam_sort_buffer_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/myisam_sort_buffer_size.*/myisam_sort_buffer_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1024	104857600	1024		yes
10		mariadb.thread_cache_size	Number of threads saved in the cache that are reused	cat /etc/my.cnf \| grep thread_cache_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/thread_cache_size.*/thread_cache_size = $value/g' /etc/my.cnf	FALSE	continuous		int	8	1000			yes
11		mariadb.max_connections	the max number of connections	cat /etc/my.cnf \| grep max_connections \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/max_connections.*/max_connections = $value/g' /etc/my.cnf	FALSE	continuous		int	10	65536			yes
12		mariadb.max_heap_table_size	size of a memory table that can be created	cat /etc/my.cnf \| grep max_heap_table_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/max_heap_table_size.*/max_heap_table_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1024	104857600	1024		yes
13		mariadb.innodb_buffer_pool_size	size of innodb buffer pool	cat /etc/my.cnf \| grep innodb_buffer_pool_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/innodb_buffer_pool_size.*/innodb_buffer_pool_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1024	1.37E+11	1024		yes
14		mariadb.innodb_log_buffer_size	size of innodb log buffer	cat /etc/my.cnf \| grep innodb_log_buffer_size \| awk -F '=' '{print $2}' \| awk '$1=$1'	sed -i 's/innodb_log_buffer_size.*/innodb_log_buffer_size = $value/g' /etc/my.cnf	FALSE	discrete		int	1048576	104857600	1048576		yes