mysql详细参数配置解析-创新互联

下文内容主要给大家带来mysql详细参数配置解析，这里所讲到的知识，与书籍略有不同，都是创新互联专业技术人员在与用户接触过程中，总结出来的，具有一定的经验分享价值，希望给广大读者带来帮助。

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[client]
port   = 3306
socket = /data/mysql/data/mysql.sock
 
[mysql]
prompt="\\u@\\h \R:\m:\s [\\d]>"
no-auto-rehash
 
[mysqld]
sql_mode=STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION
lower_case_table_names=1
log_timestamps = SYSTEM
default_time_zone = +08:00
user   = mysql
port   = 3306
basedir = /usr/local/mysql
datadir = /data/mysql/data
socket = /data/mysql/data/mysql.sock
pid-file = /data/mysql/data/mysql.pid
character-set-server = utf8
skip_name_resolve = 1
open_files_limit   = 65535
back_log = 1024
max_connections = 1000
max_connect_errors = 1000000
table_open_cache = 2000
table_definition_cache = 400
table_open_cache_instances = 64
thread_stack = 512K
external-locking = FALSE
max_allowed_packet = 32M
sort_buffer_size = 4M
join_buffer_size = 4M
thread_cache_size = 3000
query_cache_size = 0
query_cache_type = 0
#interactive_timeout = 600
#wait_timeout = 600
tmp_table_size = 32M
max_heap_table_size = 32M
slow_query_log = 1
slow_query_log_file = /logs/mysql/mysql-slow.log
log-error = /logs/mysql/mysql-error.log
long_query_time = 0.5
log_queries_not_using_indexes =1
log_throttle_queries_not_using_indexes = 60
min_examined_row_limit = 100
log_slow_admin_statements = 1
log_slow_slave_statements = 1
server-id = 271883306
log-bin = /data/mysql/data/mysql-bin
sync_binlog = 1
binlog_cache_size = 4M
max_binlog_cache_size = 2G
max_binlog_size = 1G
expire_logs_days = 7
master_info_repository = TABLE
relay_log_info_repository = TABLE
gtid_mode = on
enforce_gtid_consistency = 1
log_slave_updates
slave-parallel-type=LOGICAL_CLOCK
slave-parallel-workers=8
slave_preserve_commit_order=1
binlog_format = row
relay-log = /data/mysql/data/relay-bin
relay_log_recovery = 1
relay-log-purge = 1
key_buffer_size = 32M
read_buffer_size = 8M
read_rnd_buffer_size = 4M
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1
lock_wait_timeout = 3600
explicit_defaults_for_timestamp = 0
innodb_thread_concurrency = 0
innodb_sync_spin_loops = 100
innodb_spin_wait_delay = 30
  
innodb_undo_directory          = /data/mysql/data
innodb_undo_logs               = 128
innodb_undo_tablespaces        = 3  
innodb_undo_log_truncate       = 1
innodb_purge_rseg_truncate_frequency = 128
transaction_isolation = REPEATABLE-READ
#innodb_additional_mem_pool_size = 16M
innodb_buffer_pool_size = 3072M
innodb_buffer_pool_instances = 2
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 = 512M
innodb_log_files_in_group = 3
innodb_max_undo_log_size = 4G
 
# 根据您的云服务器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 = 800
innodb_io_capacity_max = 1600
innodb_flush_neighbors = 1
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,module_server,module_dml,module_ddl,module_trx,module_os,module_purge,module_log,module_lock,module_buffer,module_index,module_ibuf_system,module_buffer_page,module_adaptive_hash
 
[mysqldump]
quick
max_allowed_packet = 32M

初始化信息参考:

创建用户：
useradd mysql
mkdir -p /data/mysql/data
mkdir -p /logs/mysql/
chown mysql:mysql -R /data/mysql/data
chown mysql:mysql -R /logs/mysql
yum -y install libaio
初始化数据库：
/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/data

cat /logs/mysql/mysql-error.log|grep password|awk '{print $NF}'
修改密码：
alter user root@'localhost' identified by "password";

配置文件自动生成参考信息：

在线cnf 文件生产工具 http://imysql.com/my-cnf-wizard.html

对于以上关于mysql详细参数配置解析，如果大家还有更多需要了解的可以持续关注我们创新互联的行业推新，如需获取专业解答，可在官网联系售前售后的，希望该文章可给大家带来一定的知识更新。

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