script: Add MariaDB my.cnf samples

support-script/mariadb/.my.cnf

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+# Example MySQL config file for small systems.
+#
+# This is for a system with little memory (<= 64M) where MySQL is only used
+# from time to time and it's important that the mysqld daemon
+# doesn't use much resources.
+#
+# MySQL programs look for option files in a set of
+# locations which depend on the deployment platform.
+# You can copy this option file to one of those
+# locations. For information about these locations, see:
+# http://dev.mysql.com/doc/mysql/en/option-files.html
+#
+# In this file, you can use all long options that a program supports.
+# If you want to know which options a program supports, run the program
+# with the "--help" option.
+
+# The following options will be passed to all MySQL clients
+[client]
+#password	= your_password
+port		= 3306
+socket		= /tmp/mysql.sock
+
+# Here follows entries for some specific programs
+
+# The MySQL server
+[mysqld]
+port		= 3306
+socket		= /tmp/mysql.sock
+skip-external-locking
+key_buffer_size = 16K
+max_allowed_packet = 1M
+table_open_cache = 4
+sort_buffer_size = 64K
+read_buffer_size = 256K
+read_rnd_buffer_size = 256K
+net_buffer_length = 2K
+thread_stack = 240K
+innodb_large_prefix = ON
+innodb_file_format = barracuda
+
+#General Query Log
+general_log
+
+#Error Log
+
+#Slow Query Log
+slow_query_log = 1
+log-queries-not-using-indexes
+
+# Don't listen on a TCP/IP port at all. This can be a security enhancement,
+# if all processes that need to connect to mysqld run on the same host.
+# All interaction with mysqld must be made via Unix sockets or named pipes.
+# Note that using this option without enabling named pipes on Windows
+# (using the "enable-named-pipe" option) will render mysqld useless!
+# 
+#skip-networking
+server-id	= 1
+
+# Uncomment the following if you want to log updates
+#log-bin=mysql-bin
+
+# binary logging format - mixed recommended
+#binlog_format=mixed
+
+# Causes updates to non-transactional engines using statement format to be
+# written directly to binary log. Before using this option make sure that
+# there are no dependencies between transactional and non-transactional
+# tables such as in the statement INSERT INTO t_myisam SELECT * FROM
+# t_innodb; otherwise, slaves may diverge from the master.
+#binlog_direct_non_transactional_updates=TRUE
+
+# Uncomment the following if you are using InnoDB tables
+#innodb_data_home_dir = /usr/local/var/mysql
+#innodb_data_file_path = ibdata1:10M:autoextend
+#innodb_log_group_home_dir = /var/log/mysql
+# You can set .._buffer_pool_size up to 50 - 80 %
+# of RAM but beware of setting memory usage too high
+#innodb_buffer_pool_size = 16M
+#innodb_additional_mem_pool_size = 2M
+# Set .._log_file_size to 25 % of buffer pool size
+#innodb_log_file_size = 5M
+#innodb_log_buffer_size = 8M
+#innodb_flush_log_at_trx_commit = 1
+#innodb_lock_wait_timeout = 50
+
+[mysqldump]
+quick
+max_allowed_packet = 16M
+
+[mysql]
+no-auto-rehash
+# Remove the next comment character if you are not familiar with SQL
+#safe-updates
+
+[myisamchk]
+key_buffer_size = 8M
+sort_buffer_size = 8M
+
+[mysqlhotcopy]
+interactive-timeout

support-script/mariadb/my.cnf

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+[client-server]
+
+[client]
+default-character-set=utf8mb4
+
+[mysql]
+default-character-set=utf8mb4
+
+[mysqld]
+collation-server=utf8mb4_unicode_ci
+init-connect='SET NAMES utf8mb4'
+character-set-server=utf8mb4
+lower_case_table_names=1
+innodb_file_format=barracuda
+innodb_large_prefix=on