mysql配置文件详解

Posted 2020-11-13 igoodful

 

 

[client]
port = 3306
socket = /home/work/mysql_3306/tmp/mysql.sock

[mysqld]
user    = work
port = 3306

basedir = /home/work/mysql_3306
datadir = /home/work/mysql_3306/data
socket = /home/work/mysql_3306/tmp/mysql.sock
pid_file = /home/work/mysql_3306/tmp/mysql.pid

log-error = /home/work/mysql_3306/log/mysql.err
default-time-zone = "+08:00"
thread_handling = pool-of-threads
thread_pool_stall_limit = 50
thread_pool_oversubscribe = 20
performance_schema = 1
log_slave_updates
log_timestamps = SYSTEM
general_log = /home/work/mysql_3308/log/mysql.log
general_log = /home/work/mysql_3308/log/mysql.log
log_warnings
slow_query_log
slow_query_log_file = /home/work/mysql_3308/log/slow.log
long_query_time = 0.5
lock_wait_timeout    = 120
show_compatibility_56 = on
sql_mode = ‘STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION‘

tmpdir = /home/work/mysql_3308/tmp
table_open_cache_instances = 16 
enforce_storage_engine    = InnoDB 
optimizer_switch=‘index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on‘
super_read_only = off 
log_slow_slave_statements = on
log_slow_admin_statements = on
log_slow_verbosity = ‘full‘
slow_query_log_use_global_control = "long_query_time" 
event-scheduler = off 
back_log = 1000 
skip_name_resolve
max_connections = 10240
max_user_connections = 4000
max_connect_errors = 1000 
extra_max_connections = 3
extra_port = 13308
table_open_cache = 8192 
table_definition_cache = 65535
max_allowed_packet = 64M 
expire_logs_days = 7
max_heap_table_size = 1024M 
read_rnd_buffer_size = 512K 
group_concat_max_len = 1024000
sort_buffer_size = 256K 
read_buffer_size = 64K
join_buffer_size = 128K 
thread_cache_size = 256 
ft_min_word_len = 4 
default-storage-engine = INNODB
thread_stack = 192K 
transaction_isolation = REPEATABLE-READ
tmp_table_size = 1024M 
open_files_limit = 65536 
key_buffer_size = 32M 
bulk_insert_buffer_size = 64M 
myisam_sort_buffer_size = 128M 
myisam_max_sort_file_size = 1G 
myisam_repair_threads = 1 
max_allowed_packet = 64M
max_prepared_stmt_count = 1000000

#replication
server-id = 177088527
binlog_rows_query_log_events = on 
log-bin = /home/work/mysql_3308/log/mysql-bin
relay-log = relay-bin
binlog_format = row
binlog_checksum = none 
binlog_cache_size = 16M 
max_binlog_cache_size = 2G
sync_binlog = 1
master_info_repository = TABLE
relay_log_info_repository = TABLE
relay_log_recovery = on
sync_master_info = 10000
sync_relay_log_info = 10000
sync_relay_log = 0
#slave_net_timeout    = 4
#slave-parallel-type = LOGICAL_CLOCK
#slave-parallel-workers = 16
slave_pending_jobs_size_max = 134217728
slave_preserve_commit_order = 0
transaction_write_set_extraction = XXHASH64
binlog_transaction_dependency_tracking = WRITESET
gtid_mode = on
enforce-gtid-consistency = on
#plugin_dir = /home/work/mysql/lib/mysql/plugin
#plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"
#rpl_semi_sync_master_enabled = on
#rpl_semi_sync_slave_enabled = on
#rpl_semi_sync_master_wait_for_slave_count = 1
#rpl_semi_sync_master_timeout = 1000
#rpl_semi_sync_master_wait_point = after_sync

 

#undo
innodb_max_undo_log_size = 1024M 
innodb_undo_log_truncate = on 
innodb_undo_logs = 128
innodb_undo_tablespaces = 3
innodb_purge_rseg_truncate_frequency = 128

#innodb
innodb_autoextend_increment = 64
innodb_concurrency_tickets = 5000
innodb_old_blocks_time = 1000
innodb_purge_batch_size = 300
innodb_stats_on_metadata = off
innodb_thread_sleep_delay = 10000 
innodb_adaptive_max_sleep_delay = 15000 
innodb_buffer_pool_dump_at_shutdown = on
innodb_buffer_pool_load_at_startup = on
innodb_flush_neighbors = 1
innodb_write_io_threads = 8 
innodb_read_io_threads = 16
innodb_print_all_deadlocks = on
innodb_buffer_pool_size = 30G
innodb_buffer_pool_instances = 8 
innodb_data_file_path = ibdata1:100M:autoextend 
innodb_thread_concurrency = 48 
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 64M
innodb_log_file_size = 4096M 
innodb_log_files_in_group = 3 
innodb_max_dirty_pages_pct = 75 
innodb_max_dirty_pages_pct_lwm = 10 
innodb_flush_method = O_DIRECT 
innodb_lock_wait_timeout = 10 
innodb_file_per_table = 1
innodb_purge_threads = 4 
innodb_io_capacity = 5000
innodb_open_files = 65535 
innodb_online_alter_log_max_size = 5120M
innodb_sort_buffer_size = 4M
innodb_adaptive_hash_index_parts = 8 
innodb_buffer_pool_chunk_size = 128 
innodb_buffer_pool_dump_pct = 80 
innodb_deadlock_detect = on 
innodb_default_row_format = DYNAMIC 
innodb_fill_factor = 100 
innodb_flush_sync = off 
innodb_log_checksums = on 
innodb_log_write_ahead_size = 8192 
innodb_max_undo_log_size = 1073741824 
innodb_page_cleaners = 4 
innodb_purge_rseg_truncate_frequency = 128 
innodb_temp_data_file_path = ibtmp1:12M:autoextend 
innodb_print_lock_wait_timeout_info = on


[myisamchk]
key_buffer_size = 512M
sort_buffer_size = 512M
read_buffer = 8M
write_buffer = 8M

[mysqld_safe]
numa_interleave = 1

[mysql]
no-auto-rehash
prompt = "\u@\h (\d)> "