Tune MariaDB container

images/rpi-mariadb/Dockerfile

   mysql -e "SELECT Host, User, Password FROM mysql.user;" > /tmp/a.out
   #rm -f /tmp/config
 
+COPY tuning.cnf /etc/mysql/conf.d/tuning.cnf
+
+COPY tuning-primer.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/tuning-primer.sh
+COPY mysqltuner.pl /usr/local/bin/
+RUN chmod +x /usr/local/bin/mysqltuner.pl
+
 COPY startup.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/startup.sh
 

images/rpi-mariadb/tuning.cnf

+[mysqld]
+
+#join_buffer_size = 128.0K
+
+#innodb_buffer_pool_size = 1.0G
+innodb_buffer_pool_size = 384M
+innodb_log_file_size = 16M
+innodb_buffer_pool_instances = 1