mysql my.cnf

vladimir simeonov
05/02/2017

For a high traffic site which is database intensive and has a dedicated 16GB server for running mysql, my.cnf should looks something like ..

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[mysqld]
datadir=/var/lib/mysql
tmpdir=/var/lib/mysqltmp
socket=/var/lib/mysql/mysql.sock
skip-locking
skip-name-resolve
table_cache=2048
thread_cache_size=32
back_log=100
max_connect_errors=10000
open-files=10000
interactive_timeout=400
wait_timeout=300
max_connections=500
skip-bdb
log-slow-queries=/var/lib/mysqllogs/slow-log
long_query_time=2
log-queries-not-using-indexes
max_allowed_packet=128M
tmp_table_size=256M
max_heap_table_size=256M
query_cache_size=32M
query_cache_limit = 6M
sort_buffer_size=4M
read_buffer_size=4M
read_rnd_buffer_size=16M
join_buffer_size=2M
default-storage-engine=InnoDB
key_buffer_size=128M
myisam_sort_buffer_size=64M
innodb_log_file_size=100M
innodb_buffer_pool_size=6G
innodb_additional_mem_pool_size=20M
innodb_support_xa = 0
[mysql.server]
user=mysql
[mysqld_safe]

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