MySQL5.7 my.cnf配置

[client]
port=3306
socket=/log/mysql/mysql.sock [mysql]
socket=/log/mysql/mysql.sock [mysqladmin]
socket=/log/mysql/mysql.sock
#user=zabbix
#password=Paswwrod [mysqld_safe]
log-error = /log/mysql/error.log [mysqld]
port=3306
skip_name_resolve = 1
skip_symbolic_links = yes
lower_case_table_names = 1
explicit_defaults_for_timestamp = ON
character_set_server = utf8
collation_server = utf8_general_ci datadir = /data/mysql/
socket = /log/mysql/mysql.sock log_error = /log/mysql/mysqld.log
pid_file = /log/mysql/mysqld.pid # binlog
server_id = 100
log_bin = /log/mysql/mysql-bin
binlog_cache_size = 32768
binlog_checksum = CRC32
binlog_format = ROW
# [IGNORE_ERROR|ABORT_SERVER]
binlog_error_action = ABORT_SERVER
binlog_group_commit_sync_delay = 0
binlog_transaction_dependency_tracking = COMMIT_ORDER
binlog_order_commits = ON
binlog_row_image = FULL
binlog_rows_query_log_events = OFF
# 0~99
expire_logs_days = 10
binlog_expire_logs_seconds = 864000
sync_binlog = 1
local_infile = 0 # innodb
innodb_file_per_table = ON
innodb_checksum_algorithm = NONE
# stores all data twice, first to the doublewrite buffer, then to the actual data files
innodb_doublewrite = OFF
# larger is wide range of workloads, particularly for DML operations involving bulk updates
innodb_file_per_table = ON
innodb_max_dirty_pages_pct = 50
innodb_use_native_aio = ON
# specifies whether InnoDB index statistics are persisted to disk
innodb_stats_persistent = ON
# The maximum delay between polls for a spin lock
innodb_spin_wait_delay = 96 # pool buffer
# Keeping the InnoDB page size close to the storage device block size
# minimizes the amount of unchanged data that is rewritten to disk.
innodb_page_size = 16K
innodb_buffer_pool_chunk_size = 128M
innodb_buffer_pool_instances = 4
innodb_buffer_pool_size = 6G
innodb_buffer_pool_dump_at_shutdown = ON
innodb_buffer_pool_dump_now = off
innodb_buffer_pool_dump_pct = 15 # ibdata file, system tablespace
# innodb_data_file_path=datafile_spec1[;datafile_spec2]...
# file_name:file_size[:autoextend[:max:max_file_size]]
innodb_data_home_dir = /log/mysql/
# innodb_data_file_path = ibdata1:4G;ibdata2:32M:autoextend:max:4G
innodb_data_file_path = ibdata1:128M:autoextend:max:4G
innodb_autoextend_increment = 64M # redo logs
# innodb_log_file_size * innodb_log_files_in_group
innodb_log_group_home_dir = /log/mysql/
innodb_log_files_in_group = 2
innodb_log_file_size = 4G
# before the transactions commit. update, insert, or delete many rows, making the log buffer larger saves disk I/O
innodb_log_buffer_size = 64M
innodb_undo_directory = /log/mysql/
# maximum number of .ibd files that MySQL can keep open at one time
innodb_open_files = 5000 # Defines the method used to flush data to InnoDB data files and log files, which can affect I/O throughput
# O_DIRECT can help to avoid double buffering between the InnoDB buffer pool and the operating system file system cache
innodb_flush_method = O_DIRECT
# Specifies whether flushing a page from the InnoDB buffer pool also flushes other dirty pages in the same extent
innodb_flush_neighbors = 0
innodb_thread_concurrency = 0
innodb_write_io_threads = 8
innodb_read_io_threads = 8
# sets an upper limit on the number of I/O operations performed per second by InnoDB background tasks
innodb_io_capacity = 3000
# causes the innodb_io_capacity setting to be ignored during bursts of I/O activity that occur at checkpoints
innodb_flush_sync = ON
# [0|1|2]
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 30 # pref special
# whether to dynamically adjust the rate of flushing dirty pages in the InnoDB buffer pool based on the workload
innodb_adaptive_flushing = ON
innodb_purge_threads = 2
# optimization for InnoDB tables that can speed up lookups using = and IN operators, by constructing a hash index in memory
# A hash index can be partial; the whole B-tree index does not need to be cached in the buffer pool
innodb_adaptive_hash_index = OFF # buffer size
# Index blocks for MyISAM tables are buffered and are shared by all threads
key_buffer_size = 2G
sort_buffer_size = 8M
read_buffer_size = 8M
join_buffer_size = 64M
tmp_table_size = 2G
max_heap_table_size = 64M
# OFF/ON/DEMAND
#query_cache_type = OFF
#query_cache_size = 32M # connections
max_connections = 5000
max_connect_errors = 100000
wait_timeout = 86400
max_execution_time = 0
interactive_timeout = 7200 # UPDATE wait until there is no pending SELECT or LOCK TABLE READ on the affected table
low_priority_updates = 0
# number of outstanding connection requests MySQL can have
# 50 + (max_connections / 5)
# this value is the size of the listen queue for incoming TCP/IP connections
back_log = 1500
thread_stack = 256K
# 8 + (max_connections / 100)
thread_cache_size = 64
max_allowed_packet = 10M # number of open tables for all threads
table_open_cache = 10000
# value of 8 or 16 is recommended on systems that routinely use 16 or more cores.
table_open_cache_instances = 16
# number of files that the operating system permits mysqld to open
# max_connections * 5 / 10 + max_connections + (table_open_cache * 2)
open_files_limit = 15000 # slow sql
slow_launch_time = 4
slow_query_log = ON
slow_query_log_file = /log/mysql/slow.log sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION

MySQL8.0 my.cnf配置文件

[client]
port=3306
socket=/log/mysql/mysql.sock [mysql]
socket=/log/mysql/mysql.sock [mysqladmin]
socket=/log/mysql/mysql.sock [mysqld_safe]
log-error = /log/mysql/error.log [mysqld]
port=3306
user=mysql
datadir=/data/mysql
socket=/log/mysql/mysql.sock log_error=/log/mysql/mysqld.log
pid_file=/log/mysql/mysqld.pid skip_name_resolve=1
skip_symbolic_links=yes
explicit_defaults_for_timestamp=ON
log_timestamps=SYSTEM
character-set-server=utf8mb4
collation-server=utf8mb4_general_ci # binlog
server_id = 100
log_bin = /log/mysql/mysql-bin
binlog_cache_size = 32768
binlog_checksum = CRC32
binlog_format = ROW
# [IGNORE_ERROR|ABORT_SERVER]
binlog_error_action = ABORT_SERVER
binlog_group_commit_sync_delay = 0
binlog_transaction_dependency_tracking = COMMIT_ORDER
binlog_order_commits = ON
binlog_row_image = FULL
binlog_rows_query_log_events = OFF
# 0~99
expire_logs_days = 10
binlog_expire_logs_seconds = 864000
sync_binlog = 1
local_infile = 0 # innodb
innodb_file_per_table = ON
innodb_checksum_algorithm = NONE
# stores all data twice, first to the doublewrite buffer, then to the actual data files
innodb_doublewrite = OFF
# larger is wide range of workloads, particularly for DML operations involving bulk updates
innodb_file_per_table = ON
innodb_max_dirty_pages_pct = 50
innodb_use_native_aio = ON
# specifies whether InnoDB index statistics are persisted to disk
innodb_stats_persistent = ON
# The maximum delay between polls for a spin lock
innodb_spin_wait_delay = 96 # pool buffer
# Keeping the InnoDB page size close to the storage device block size
# minimizes the amount of unchanged data that is rewritten to disk.
innodb_page_size = 16K
innodb_buffer_pool_chunk_size = 128M
innodb_buffer_pool_instances = 4
innodb_buffer_pool_size = 2G
innodb_buffer_pool_dump_at_shutdown = ON
innodb_buffer_pool_dump_now = off
innodb_buffer_pool_dump_pct = 15 # ibdata file, system tablespace
# innodb_data_file_path=datafile_spec1[;datafile_spec2]...
# file_name:file_size[:autoextend[:max:max_file_size]]
#innodb_data_home_dir=/log/mysql/
# innodb_data_file_path=ibdata1:4G;ibdata2:32M:autoextend:max:4G
#innodb_data_file_path=ibdata1:128M:autoextend:max:4G
#innodb_autoextend_increment=64M # redo logs
# innodb_log_file_size * innodb_log_files_in_group
#innodb_log_group_home_dir = /log/mysql/
#innodb_log_files_in_group = 2
#innodb_log_file_size = 4G
# before the transactions commit. update, insert, or delete many rows, making the log buffer larger saves disk I/O
#innodb_log_buffer_size = 64M
#innodb_undo_directory = /log/mysql/
# maximum number of .ibd files that MySQL can keep open at one time
#innodb_open_files = 5000 # Defines the method used to flush data to InnoDB data files and log files, which can affect I/O throughput
# O_DIRECT can help to avoid double buffering between the InnoDB buffer pool and the operating system file system cache
innodb_flush_method = O_DIRECT
# Specifies whether flushing a page from the InnoDB buffer pool also flushes other dirty pages in the same extent
innodb_flush_neighbors = 0
innodb_thread_concurrency = 0
innodb_write_io_threads = 8
innodb_read_io_threads = 8
# sets an upper limit on the number of I/O operations performed per second by InnoDB background tasks
innodb_io_capacity = 3000
# causes the innodb_io_capacity setting to be ignored during bursts of I/O activity that occur at checkpoints
innodb_flush_sync = ON
# [0|1|2]
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 30 # pref special
# whether to dynamically adjust the rate of flushing dirty pages in the InnoDB buffer pool based on the workload
innodb_adaptive_flushing = ON
innodb_purge_threads = 2
# optimization for InnoDB tables that can speed up lookups using = and IN operators, by constructing a hash index in memory
# A hash index can be partial; the whole B-tree index does not need to be cached in the buffer pool
innodb_adaptive_hash_index = OFF # buffer size
# Index blocks for MyISAM tables are buffered and are shared by all threads
key_buffer_size = 1G
sort_buffer_size = 8M
read_buffer_size = 8M
join_buffer_size = 64M
tmp_table_size = 1G
max_heap_table_size = 64M
# OFF/ON/DEMAND
#query_cache_type = OFF
#query_cache_size = 32M # connections
max_connections = 5000
max_connect_errors = 100000
wait_timeout = 86400
max_execution_time = 0
interactive_timeout = 7200 # UPDATE wait until there is no pending SELECT or LOCK TABLE READ on the affected table
low_priority_updates = 0
# number of outstanding connection requests MySQL can have
# 50 + (max_connections / 5)
# this value is the size of the listen queue for incoming TCP/IP connections
back_log = 1500
thread_stack = 256K
# 8 + (max_connections / 100)
thread_cache_size = 64
max_allowed_packet = 10M # number of open tables for all threads
table_open_cache = 10000
# value of 8 or 16 is recommended on systems that routinely use 16 or more cores.
table_open_cache_instances = 16
# number of files that the operating system permits mysqld to open
# max_connections * 5 / 10 + max_connections + (table_open_cache * 2)
open_files_limit = 15000 # slow sql
slow_launch_time = 4
slow_query_log = ON
slow_query_log_file = /log/mysql/slow.log sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION

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