原標題：網(wǎng)易視頻云：MySQL 5.6 & 5.7最優(yōu)配置文件模板

網(wǎng)易視頻云是網(wǎng)易傾力打造的一款基于云計算的分布式多媒體處理集群和專業(yè)音視頻技術(shù)，為客戶提供穩(wěn)定流暢、低時延、高并發(fā)的視頻直播、錄制、存儲、轉(zhuǎn)碼及點播等音視頻的PaaS服務。在線教育、遠程醫(yī)療、娛樂秀場、在線金融等各行業(yè)及企業(yè)用戶只需經(jīng)過簡單的開發(fā)即可打造在線音視頻平臺。現(xiàn)在，網(wǎng)易視頻云與大家分享一下MySQL 5.6 & 5.7最優(yōu)配置文件模板。

Inside君整理了一份最新基于MySQL 5.6和5.7的配置文件模板，基本上可以說覆蓋90%的調(diào)優(yōu)選項，用戶只需根據(jù)自己的服務器配置稍作修改即可，如InnoDB緩沖池的大小、IO能力(innodb_buffer_pool_size，innodb_io_capacity)。特別注意，這份配置文件不用修改，可以直接運行在MySQL 5.6和5.7的版本下，這里使用了小小的技巧，具體可看配置文件。如果配置參數(shù)存在問題，也可以及時反饋Inside君，我們一起成長。

觸發(fā)Inside君做這件事情的原因是大部分網(wǎng)絡上的MySQL配置文件都非常非常古老，大多都是基于MySQL 5.1的版本，這導致了絕大部分MySQL并沒有運行在最優(yōu)的環(huán)境，從而導致一些錯誤的使用，亦或是災難性事故的發(fā)生，比如數(shù)據(jù)丟失，主從數(shù)據(jù)不一致等。而這些問題早在5.6版本及以后的版本中得到了解決。

最后，拋棄你那所謂的、陳舊的、錯誤的MySQL配置文件，面向一個嶄新的高性能、高可靠、高可擴展MySQL時代，你要做的就是下載這份配置文件并用于你的生產(chǎn)環(huán)境。配置如下：

[client]

user=david

password=88888888

[mysqld]

########basic settings########

server-id= 11

port = 3306

user = mysql

bind_address = 10.166.224.32

autocommit = 0

character_set_server=utf8mb4

skip_name_resolve = 1

max_connections = 800

max_connect_errors = 1000

datadir = /data/mysql_data

transaction_isolation = READ-COMMITTED

explicit_defaults_for_timestamp = 1

join_buffer_size = 134217728

tmp_table_size = 67108864

tmpdir = /tmp

max_allowed_packet = 16777216

sql_mode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER"

interactive_timeout = 1800

wait_timeout = 1800

read_buffer_size = 16777216

read_rnd_buffer_size = 33554432

sort_buffer_size = 33554432

########log settings########

log_error = error.log

slow_query_log = 1

slow_query_log_file = slow.log

log_queries_not_using_indexes = 1

log_slow_admin_statements = 1

log_slow_slave_statements = 1

log_throttle_queries_not_using_indexes = 10

expire_logs_days = 90

long_query_time = 2

min_examined_row_limit = 100

########replication settings########

master_info_repository = TABLE

relay_log_info_repository = TABLE

log_bin = bin.log

sync_binlog = 1

gtid_mode = on

enforce_gtid_consistency = 1

log_slave_updates

binlog_format = row

relay_log = relay.log

relay_log_recovery = 1

binlog_gtid_simple_recovery = 1

slave_skip_errors = ddl_exist_errors

########innodb settings########

innodb_page_size = 8192

innodb_buffer_pool_size = 6G

innodb_buffer_pool_instances = 8

innodb_buffer_pool_load_at_startup = 1

innodb_buffer_pool_dump_at_shutdown = 1

innodb_lru_scan_depth = 2000

innodb_lock_wait_timeout = 5

innodb_io_capacity = 4000

innodb_io_capacity_max = 8000

innodb_flush_method = O_DIRECT

innodb_file_format = Barracuda

innodb_file_format_max = Barracuda

innodb_log_group_home_dir = /redolog/

innodb_undo_directory = /undolog/

innodb_undo_logs = 128

innodb_undo_tablespaces = 3

innodb_flush_neighbors = 1

innodb_log_file_size = 4G

innodb_log_buffer_size = 16777216

innodb_purge_threads = 4

innodb_large_prefix = 1

innodb_thread_concurrency = 64

innodb_print_all_deadlocks = 1

innodb_strict_mode = 1

innodb_sort_buffer_size = 67108864

########semi sync replication settings########

plugin_dir=/usr/local/mysql/lib/plugin

plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"

loose_rpl_semi_sync_master_enabled = 1

loose_rpl_semi_sync_slave_enabled = 1

loose_rpl_semi_sync_master_timeout = 5000

[mysqld-5.7]

innodb_buffer_pool_dump_pct = 40

innodb_page_cleaners = 4

innodb_undo_log_truncate = 1

innodb_max_undo_log_size = 2G

innodb_purge_rseg_truncate_frequency = 128

binlog_gtid_simple_recovery=1

log_timestamps=system

transaction_write_set_extraction=MURMUR32

show_compatibility_56=on

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