As we are on dedicated database server we should set InnoDB buffer pool size...

As we are on dedicated database server we should set InnoDB buffer pool size to 75% of available memory automatically

Makefile

@@ -41,10 +41,12 @@ all: client-cnf mysql-clients-cnf server-cnf mariadb-config
 	@echo "$$SERVER_CNF" > /etc/my.cnf.d/server.cnf
 	@echo "$$MARIADB_CONFIG" > /etc/config/mariadb
 	install -v -Dm755 mariadb /usr/share/easycwmp/functions
+	install -v -Dm755 innodb-config /usr/sbin/innodb-config
 	install -v -Dm755 wsrep-init /usr/sbin/wsrep-init
 	install -v -Dm755 binlog-init /usr/sbin/binlog-init
 	sed -i '/^\[Service\]$$/a ExecStartPre=/usr/sbin/binlog-init' /lib/systemd/system/mariadb.service
 	sed -i '/^\[Service\]$$/a ExecStartPre=/usr/sbin/wsrep-init' /lib/systemd/system/mariadb.service
+	sed -i '/^\[Service\]$$/a ExecStartPre=/usr/sbin/innodb-config' /lib/systemd/system/mariadb.service
 	sed -i '/^\[Service\]$$/a TimeoutStopSec=10min' /lib/systemd/system/mariadb.service
 	sed -i '/^\[Service\]$$/a TimeoutStartSec=120min' /lib/systemd/system/mariadb.service
 	sed -i 's/^Restart=.*/Restart=always/' /lib/systemd/system/mariadb.service
@@ -129,15 +131,13 @@ innodb_data_home_dir      = /var/lib/mysql
 innodb_log_group_home_dir = /var/lib/mysql
 # All the innodb_xxx values below are the default ones:
 innodb_data_file_path = ibdata1:12M:autoextend
-# You can set .._buffer_pool_size up to 50 - 80 %
-# of RAM but beware of setting memory usage too high
-innodb_buffer_pool_size        = 122M
 innodb_log_file_size           = 32M
 innodb_log_buffer_size         = 16M
 innodb_flush_log_at_trx_commit = 0
 innodb_autoinc_lock_mode       = 2
 innodb_lock_wait_timeout       = 50
 
+!include /run/mysqld/innodb.conf
 !include /run/mysqld/binlog.conf
 !include /run/mysqld/wsrep.conf
 endef

innodb-config

+#!/bin/sh
+
+POOLSIZE=`grep MemTotal /proc/meminfo | awk '{printf("%.0f", $2 / 1024 * 0.75)}'`
+
+echo "[mysqld]" > /run/mysqld/innodb.conf
+echo "innodb_buffer_pool_size = ${POOLSIZE}M" > /run/mysqld/innodb.conf
+
+chown mysql.mysql /run/mysqld/innodb.conf