MySQL5.7 数据库的my.cnf配置

最新推荐文章于 2025-03-27 08:50:29 发布

转载最新推荐文章于 2025-03-27 08:50:29 发布 · 129 阅读

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原文链接：http://www.cnblogs.com/rnckty/p/7808387.html

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#数据库

[client]  
port=3306  
socket=/tmp/mysql.sock  
default-character-set=utf8 

[mysql]  
no-auto-rehash  
default-character-set=utf8

[mysqld]
user    = mysql
port    = 3306
basedir    = /usr/local/mysql
datadir    = /usr/local/mysql/data
socket    = /tmp/mysql.sock
pid-file = mysql3306.pid
default-storage-engine=INNODB
log-error=/usr/local/mysql/logs/error.log
skip_name_resolve = 1
open_files_limit    = 65535
back_log = 1024
max_connections = 1500
max_connect_errors = 1000000
table_open_cache = 1024
table_definition_cache = 1024
table_open_cache_instances = 64
thread_stack = 512K
external-locking = FALSE
max_allowed_packet = 32M
sort_buffer_size = 16M
join_buffer_size = 16M
thread_cache_size = 2250
query_cache_size = 0
query_cache_type = 0
interactive_timeout = 600
wait_timeout = 600
tmp_table_size = 96M
max_heap_table_size = 96M

###***slowqueryparameters 
long_query_time = 1
slow_query_log = 1
slow_query_log_file = /usr/local/mysql/logs/slow.log

###***binlogparameters  
log-bin=mysql-bin  
binlog_cache_size=4M  
max_binlog_cache_size=8M  
max_binlog_size=1024M  
binlog_format=MIXED  
expire_logs_days=7 

###***master-slavereplicationparameters  
server-id=3306 
#slave-skip-errors=all  

#innodb
transaction_isolation = REPEATABLE-READ
#innodb_additional_mem_pool_size = 16M
innodb_buffer_pool_size = 1434M
innodb_buffer_pool_instances = 8
innodb_buffer_pool_load_at_startup = 1
innodb_buffer_pool_dump_at_shutdown = 1
innodb_data_file_path = ibdata1:1G:autoextend
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 32M
innodb_log_file_size = 2G
innodb_log_files_in_group = 2
innodb_max_undo_log_size = 4G

# 根据您的服务器IOPS能力适当调整
# 一般配普通SSD盘的话，可以调整到 10000 - 20000
# 配置高端PCIe SSD卡的话，则可以调整的更高，比如 50000 - 80000
innodb_io_capacity = 4000
innodb_io_capacity_max = 8000
innodb_flush_neighbors = 0
innodb_write_io_threads = 8
innodb_read_io_threads = 8
innodb_purge_threads = 4
innodb_page_cleaners = 4
innodb_open_files = 65535
innodb_max_dirty_pages_pct = 50
innodb_flush_method = O_DIRECT
innodb_lru_scan_depth = 4000
innodb_checksum_algorithm = crc32
#innodb_file_format = Barracuda
#innodb_file_format_max = Barracuda
innodb_lock_wait_timeout = 10
innodb_rollback_on_timeout = 1
innodb_print_all_deadlocks = 1
innodb_file_per_table = 1
innodb_online_alter_log_max_size = 4G
internal_tmp_disk_storage_engine = InnoDB
innodb_stats_on_metadata = 0

innodb_status_file = 1
# 注意: 开启 innodb_status_output & innodb_status_output_locks 后, 可能会导致log-error文件增长较快
innodb_status_output = 0
innodb_status_output_locks = 0

#performance_schema
performance_schema = 1
performance_schema_instrument = '%=on'

#innodb monitor
innodb_monitor_enable="module_innodb"
innodb_monitor_enable="module_server"
innodb_monitor_enable="module_dml"
innodb_monitor_enable="module_ddl"
innodb_monitor_enable="module_trx"
innodb_monitor_enable="module_os"
innodb_monitor_enable="module_purge"
innodb_monitor_enable="module_log"
innodb_monitor_enable="module_lock"
innodb_monitor_enable="module_buffer"
innodb_monitor_enable="module_index"
innodb_monitor_enable="module_ibuf_system"
innodb_monitor_enable="module_buffer_page"
innodb_monitor_enable="module_adaptive_hash"

[mysqldump]  
quick  
max_allowed_packet=32M
innodb_locks_unsafe_for_binlog=1
innodb_autoinc_lock_mode=2