MySQL 5.6 my.cnf 模版

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

[mysqld_safe]
thp-setting=never
socket          = /var/run/mysqld/mysqld.sock
nice            = 

[mysqld]
user            = mysql
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
port            =
basedir         = /usr
datadir         = /var/lib/mysql
tmpdir          = /tmp

local-infile    =
lc-messages-dir = /usr/share/mysql
skip-external-locking
skip-name-resolve

#bind-address           = 127.0.0.1

#对timestamp新的行为控制参数，相关文章。
explicit_defaults_for_timestamp = 

character-set-server = utf8mb4
default-storage-engine=INNODB

##thread相关参数:Thread_pool_size  X  Thread_pool_oversubscribe = MySQL内部同时支持运行的最大任务数，相关文章
#MySQL线程调度方式,
thread_handling           = pool-of-threads
#根据系统的CPU创建出thread_pool_size(该参数不建议调整)threadpool中group数量，默认为cpu核心数，server启动时自动计算
#thread_pool_size         = auto
#每个thread_pool_size里同时可以运行多少个任务，超过限制后，继续创建worker线程会被延迟
thread_pool_oversubscribe =
#timer线程检测间隔，单位为毫秒，用于防止thread pool里的线程死掉．Thread pool里线程如果超过thread_pool_stall_limit声明的时间没响应降会重新创建
thread_pool_stall_limit   =
#用于声明extra_port最大允许的连接，extra_port 去监听一个和服务端口不一样的端口，用于Thread pool被占满或是被锁着的情况下用于管理使用．
extra_max_connection      =
#线程池的优先级：transactions：使用优先队列和普通队列，对于事务已经开启的statement，放到优先队列中，否则放到普通队列中。statements：只使用优先队列
；none: 只是用普通队列，本质上和statements相同，都是只是用一个队列
thread_pool_high_prio_mode = transactions
#当开启了优先队列模式后，每个连接最多允许thread_pool_high_prio_tickets次被放到优先队列中，之后放到普通队列中
thread_pool_high_prio_tickets=4294967295
#线程最大空闲时间，单位为秒，超过限制后会退出，默认60
thread_pool_idle_timeout=
#threadpool中最大线程数目，线程总数超过该限制后不能继续创建更多线程
thread_pool_max_threads = 

#FullText
#MyISAM
ft_min_word_len         =
ft_max_word_len         =
#InnoDB
innodb_ft_min_token_size=
innodb_ft_max_token_size=

#MyISAM  停止词存放在文件
ft_stopword_file        = /var/lib/mysql/stopword.txt

#InnoDB，停止词存放在表
innodb_ft_server_stopword_table = dba_test/ft_stopwords
innodb_ft_user_stopword_table = dba_test/ft_stopwords

#控制在创建临时表时使用的存储引擎，默认为innodb
default_tmp_storage_engine = innodb

#线上可以开启
innodb_undo_directory   = /var/lib/mysql/undolog/
innodb_undo_tablespaces =
innodb_undo_logs        = 

#用于优化in()，以确认是否直接使用索引统计，相关文章
eq_range_index_dive_limit = 

#back_log                =
thread_stack            = 192K

max_allowed_packet      = 32M
max_connections         =
max_connect_errors      =
max_heap_table_size     = 256M
max_length_for_sort_data=
tmp_table_size          = 256M

read_buffer_size        = 512K
read_rnd_buffer_size    = 1M
sort_buffer_size        = 512K
join_buffer_size       = 256K

table_open_cache        =
#对table cache进行划分，减少table cache的锁竞争，累死innodb_buffer_poll_instances
table_open_cache_instances =
thread_cache_size       = 

# * Query Cache Configuration
#query_cache_type        =
#query_cache_size        = 0M
#query_cache_limit       = 1M

open_files_limit     = 

# * Logging and Replication
log_error            = /var/log/mysql/error_3306.log
#开启慢查询日志，相关文章1，文章2
slow_query_log       =
slow_query_log_file  = /var/log/mysql/mysql-slow.log
long_query_time      = 0.5
#log-queries-not-using-indexes
#general_log          =
#慢查询过滤器，用于Percona，相关文章
#log_slow_filter     = 'string'
#可用值session or query
log_slow_rate_type   = session
#记录每个session/query的日志，如果log_slow_rate_type为session，将不记录replication thread的日志
log_slow_rate_limit  =
#语句执行存储过程(不包括触发器)慢将记录到慢查询日志
log_slow_sp_statements =
#指定慢查询日志包含多少信息，相关文章
#log_slow_verbosity   = ''
#每个慢查询记录时间戳
#slow_query_log_timestamp_always
#精度为second或microsecond
slow_query_log_timestamp_precision=second
#该变量控制最大slow文件数量，设置slow_query_log_file为没有.log后缀的文件
#max_slowlog_files
#超过该值，slow日志将自动旋转，生成slow_query_log_file.000001这样的文件
#max_slowlog_size

log_bin                 = mysql-bin-.log
binlog_cache_size       = 1M
max_binlog_size         = 1024M
binlog_format           = MIXED
#binlog_format           = ROW
#binlog_row_image        = minimal
#binlog_rows_query_log_events = 1
sync_binlog             =
expire_logs_days        = 

#binlog_checksum         = NONE

#事务提交顺序和binlog记录顺序是相同的，默认打开
binlog_order_commits    =1

server-id               = 

relay_log                = mysqld-relay-bin

# * TokuDB
tokudb_cache_size       = 512M
tokudb_commit_sync      =
tokudb_fsync_log_period =
tokudb_data_dir         = /var/lib/mysql/tokudb_data
tokudb_log_dir          = /var/lib/mysql/tokudb_log
tokudb_tmp_dir          = /tmp

# * MyISAM
key_buffer_size         = 128M
bulk_insert_buffer_size = 8M
concurrent_insert       =
#myisam-recover          = BACKUP
myisam_recover_options  = BACKUP

# * InnoDB
#打印死锁到errorlog
innodb_print_all_deadlocks = 1

#预读，对于随机读写，推荐关闭
  innodb_read_ahead_threshold = 0

#预热
innodb_buffer_pool_dump_now      =
innodb_buffer_pool_load_now      = 

innodb_buffer_pool_dump_at_shutdown  =
innodb_buffer_pool_load_at_startup   =
#预热文件
innodb_buffer_pool_filename     = ib_buffer_pool

#事务日志记录的大小，默认512，ssd可以设置4096
  innodb_log_block_size = 4096

innodb_page_size                = 16K
#innodb_page_size                = 4K  #ssd
#innodb_flush_neighbors          =
#ssd
innodb_flush_neighbors          =
#影响page cleaner 线程一次扫描LRU/UNZIP_LRU的深度，默认为1024，IO能力强的可以适当调大。 innodb_io_capacity/innodb_buffer_pool_instances
innodb_lru_scan_depth           =

innodb_strict_mode              =
innodb_buffer_pool_size         = 10000M
innodb_buffer_pool_instances    =
innodb_change_buffering         = all
innodb_change_buffer_max_size   =
innodb_autoextend_increment     =
innodb_additional_mem_pool_size = 15M#5.7中移除，innodb_use_sys_malloc 配置为 ON 时，innodb_additional_mem_pool_size 失效（直接从操作系统分配内存）
innodb_file_per_table           =
innodb_flush_log_at_trx_commit  = 
#自定义刷新日志时间，每隔这么多秒刷一次日志，只有在innodb_flush_log_at_trx_commit=2时才生效
innodb_flush_log_at_timeout     = 

innodb_log_buffer_size          = 8M
innodb_log_file_size            = 256M
innodb_log_files_in_group       =
innodb_max_dirty_pages_pct      = 

innodb_read_io_threads           =
innodb_write_io_threads          = 

#innodb_io_capacity              =
innodb_io_capacity              =   #ssd
#innodb_io_capacity_max          = 

innodb_adaptive_flushing        =
innodb_adaptive_flushing_lwm    = 

innodb_old_blocks_pct           = 
innodb_old_blocks_time          =
#online ddl时并发DML产生的row log最大size，超过这个限制会导致DDL回滚
innodb_online_alter_log_max_size = 128M

innodb_flush_neighbors          = 

innodb_concurrency_tickets      =
innodb_optimize_fulltext_only   = 

innodb_use_native_aio           =
innodb_use_sys_malloc           = 1#innodb_use_sys_malloc 配置为 ON 时，innodb_additional_mem_pool_size 失效（直接从操作系统分配内存）。5.7中移除
innodb_thread_concurrency       = #回收undo线程
innodb_purge_threads= 
#5.7
#innodb_page_cleaners            = 4
#每次回收undo页的数量
innodb_purge_batch_size         =
#创建索引做merge-sort时，一个归并block的大小
innodb_sort_buffer_size         = 16M

innodb_change_buffering         = all
#changebuffer占用bp的最大比例
innodb_change_buffer_max_size   = 

innodb_file_format              = barracuda
innodb_file_format_check        =
innodb_file_format_max          = barracuda
innodb_stats_on_metadata        = 

innodb_open_files               =
#Percona支持ALL_O_DIRECT
innodb_flush_method             = ALL_O_DIRECT
#innodb_flush_method            = O_DIRECT_NO_FSYNC

lock_wait_timeout               = 

transaction-isolation           = READ-COMMITTED

# * replication
replicate-ignore-db        = test
replicate-ignore-db        = mysql
#binlog_do_db             = include_database_name
skip-slave-start          =
log_slave_updates         = 

#gtid-mode=on # GTID only
#enforce-gtid-consistency=true # GTID only

master_info_repository    = table
relay_log_info_repository = table

# * slave

#并行复制线程数
slave_parallel_workers    =
#多线程复制需要关闭
slave_transaction_retries =
#在并发复制时总共执行这么多次事务后做一次checkpoint，更新show slave status的数据
slave_checkpoint_group    =
#在复制执行这么长时间后做一次checkpoint
slave_checkpoint_period   =
#在多线程复制时，在队列中Pending的事件所占用的最大内存，默认为16M，如果内存富余，或者延迟较大时，可以适当调大;注意这个值要比主库的max_allowed_packet大
slave_pending_jobs_size_max = 32M
#备库SQL线程是否检查binlog的checksum
slave_sql_verify_checksum  =
#部分解决无主键表导致的复制延迟问题，相关文章
#slave_rows_search_algorithms = TABLE_SCAN,INDEX_SCAN,HASH_SCAN
#slave_net_timeout               =
relay_log_recovery              =
#sync_relay_log                  =
#sync_relay_log_info             =
#sync_master_info                = 

# ssl-ca=/etc/mysql/cacert.pem
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem

[mysqldump]
quick
quote-names
max_allowed_packet      = 16M

[mysql]
#no-auto-rehash # faster start of mysql but no tab completition

[isamchk]
key_buffer              = 16M

#
# * 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/

该文章后续会不断更新，慢慢完善。之前也介绍了MySQL5.5的配置文件，现在按照前2篇文章1和文章2的信息，整理出该博文。对MySQL5.6的my.cnf 进行了配置(Percona MySQL)，因为根据服务器硬件资源来调整的，所以一些内存、io刷写的大小比例可以根据自己的条件来设置。

相关文章：

http://mysqllover.com/?p=575

http://dev.mysql.com/doc/refman/5.6/en/innodb-parameters.html

https://www.percona.com/doc/percona-server/5.6/ps-versions-comparison.html

https://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html