MySQL config for lower memory usage (for 2gb droplet)

my.cnf

[client]
port		= 3306
socket		= /var/run/mysqld/mysqld.sock

[mysqld_safe]
pid-file	= /var/run/mysqld/mysqld.pid
socket		= /var/run/mysqld/mysqld.sock
nice		= 0

[mysqld]
user		= mysql
pid-file	= /var/run/mysqld/mysqld.pid
socket		= /var/run/mysqld/mysqld.sock
port		= 3306
basedir		= /usr
datadir		= /var/lib/mysql
#datadir		= /usr/local/mysql/data
tmpdir		= /tmp
lc-messages-dir	= /usr/share/mysql
explicit_defaults_for_timestamp

# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address	= 127.0.0.1

log-error	= /var/log/mysql/error.log

# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

# * IMPORTANT: Additional settings that can override those from this file!
#   The files must end with '.cnf', otherwise they'll be ignored.
!includedir /etc/mysql/conf.d/


# MEDIUM-LOW MEMORY USE (for 2g RAM)
innodb_buffer_pool_size = 64M
innodb_log_buffer_size=512K
query_cache_size=1M
max_connections=50
key_buffer_size=4388608
#thread_cache_size=0
#host_cache_size=0
innodb_ft_cache_size=4000000
innodb_ft_total_cache_size=420000000
thread_stack=162144
sort_buffer_size=162144
read_buffer_size=81072
read_rnd_buffer_size=162144
max_heap_table_size=8777216
tmp_table_size=8777216
bulk_insert_buffer_size=4388608
join_buffer_size=162144
net_buffer_length=16384
innodb_sort_buffer_size=6K
binlog_cache_size=8K
binlog_stmt_cache_size=8K



# VERY LOW MEMORY USE (for < 1g RAM)
#innodb_buffer_pool_size=10M
#innodb_log_buffer_size=256K
#query_cache_size=0
#max_connections=50
#key_buffer_size=8
#thread_cache_size=0
#host_cache_size=0
#innodb_ft_cache_size=1600000
#innodb_ft_total_cache_size=32000000

# per thread or per operation settings
#thread_stack=131072
#sort_buffer_size=32K
#read_buffer_size=8200
#read_rnd_buffer_size=8200
#max_heap_table_size=16K
#tmp_table_size=1K
#bulk_insert_buffer_size=0
#join_buffer_size=128
#net_buffer_length=1K
#innodb_sort_buffer_size=64K

#settings that relate to the binary log (if enabled)
#binlog_cache_size=4K
#binlog_stmt_cache_size=4K