my.cnf参考模板

---

以下是GreatSQL8.0.32-25的my.cnf推荐参考模板。

#
# my.cnf example for GreatSQL
# last update, 2024/5/6
#
# 下面参数选项设置仅作为参考，且假设服务器可用内存为256G
#
[client]
socket    = /data/GreatSQL/mysql.sock
[mysql]
loose-skip-binary-as-hex
prompt = "(\\D)[\\u@GreatSQL][\\d]>"
no-auto-rehash
[mysqld]
user    = mysql
port    = 3306
server_id = 3306
basedir = /usr/
datadir    = /data/GreatSQL
socket    = /data/GreatSQL/mysql.sock
pid-file = mysql.pid
character-set-server = UTF8MB4
skip_name_resolve = 1
#若你的GreatSQL数据库主要运行在境外，请务必根据实际情况调整本参数
default_time_zone = "+8:00"
bind_address = "0.0.0.0"

#performance setttings
lock_wait_timeout = 3600
open_files_limit    = 65535
back_log = 1024
max_connections = 1024
max_connect_errors = 1000000
table_open_cache = 2048
table_definition_cache = 2048
thread_stack = 512K
sort_buffer_size = 4M
join_buffer_size = 4M
read_buffer_size = 8M
read_rnd_buffer_size = 4M
bulk_insert_buffer_size = 64M
thread_cache_size = 768
interactive_timeout = 600
wait_timeout = 600
tmp_table_size = 96M
max_heap_table_size = 96M
max_allowed_packet = 64M
net_buffer_shrink_interval = 180
#GIPK
loose-sql_generate_invisible_primary_key = ON

#log settings
log_timestamps = SYSTEM
log_error = /data/GreatSQL/error.log
log_error_verbosity = 3
slow_query_log = 1
log_slow_extra = 1
slow_query_log_file = /data/GreatSQL/slow.log
#设置slow log文件大小1G及总文件数10
max_slowlog_size = 1073741824
max_slowlog_files = 10
long_query_time = 0.01
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
log_slow_verbosity = FULL
log_bin = /data/GreatSQL/binlog
binlog_format = ROW
sync_binlog = 1
binlog_cache_size = 4M
max_binlog_cache_size = 6G
max_binlog_size = 1G
#控制binlog总大小，避免磁盘空间被撑爆
binlog_space_limit = 500G
binlog_rows_query_log_events = 1
binlog_expire_logs_seconds = 604800
binlog_checksum = CRC32
gtid_mode = ON
enforce_gtid_consistency = TRUE

#myisam settings
key_buffer_size = 32M
myisam_sort_buffer_size = 128M

#replication settings
relay_log_recovery = 1
slave_parallel_type = LOGICAL_CLOCK
#并行复制线程数可以设置为逻辑CPU数量的2倍
slave_parallel_workers = 64
binlog_transaction_dependency_tracking = WRITESET
slave_preserve_commit_order = 1
slave_checkpoint_period = 2

#启用InnoDB并行查询优化功能
loose-force_parallel_execute = OFF
#设置每个SQL语句的并行查询最大并发度
loose-parallel_default_dop = 8
#设置系统中总的并行查询线程数，可以和最大逻辑CPU数量一样
loose-parallel_max_threads = 64
#并行执行时leader线程和worker线程使用的总内存大小上限，可以设置物理内存的5-10%左右
loose-parallel_memory_limit = 2G

#parallel load data
loose-gdb_parallel_load_chunk_size = 4M

#rapid engine
loose-rapid_memory_limit = 12G
loose-rapid_worker_threads = 32
loose-rapid_hash_table_memory_limit = 30
loose-secondary_engine_parallel_load_workers = 16

#mgr settings
loose-plugin_load_add = 'mysql_clone.so'
loose-plugin_load_add = 'group_replication.so'
loose-group_replication_group_name = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaa1"
#MGR本地节点IP:PORT，请自行替换
loose-group_replication_local_address = "172.16.16.10:33061"
#MGR集群所有节点IP:PORT，请自行替换
loose-group_replication_group_seeds = '172.16.16.10:33061,72.16.16.12:33061,72.16.16.12:33061'
loose-group_replication_start_on_boot = ON
loose-group_replication_bootstrap_group = OFF
loose-group_replication_exit_state_action = READ_ONLY
loose-group_replication_flow_control_mode = "DISABLED"
loose-group_replication_single_primary_mode = ON
loose-group_replication_enforce_update_everywhere_checks=0
loose-group_replication_majority_after_mode = ON
loose-group_replication_communication_max_message_size = 10M
loose-group_replication_arbitrator = 0
loose-group_replication_single_primary_fast_mode = 1
loose-group_replication_request_time_threshold = 100
loose-group_replication_primary_election_mode = GTID_FIRST
loose-group_replication_unreachable_majority_timeout = 0
loose-group_replication_member_expel_timeout = 5
loose-group_replication_autorejoin_tries = 288
loose-group_replication_recovery_get_public_key = ON

#mgr vip
loose-plugin_load_add = 'greatdb_ha.so'
loose-greatdb_ha_enable_mgr_vip = 0
loose-greatdb_ha_mgr_vip_nic = 'eth0'
loose-greatdb_ha_mgr_vip_ip = '172.16.0.252'
loose-greatdb_ha_mgr_vip_mask = '255.255.255.0'
loose-greatdb_ha_port = 33062
loose-greatdb_ha_mgr_read_vip_ips = "172.16.0.251"
#loose-greatdb_ha_mgr_read_vip_ips = "172.16.0.251,172.16.0.252"
loose-greatdb_ha_mgr_read_vip_floating_type = "TO_ANOTHER_SECONDARY"
loose-greatdb_ha_send_arp_packge_times = 5
report_host = 172.16.0.10
report_port = 3306

#MGR切主后是否断开旧Priamry节点上的所有应用连接
loose-greatdb_ha_mgr_exit_primary_kill_connection_mode = 0

#innodb settings
innodb_buffer_pool_size = 16G
innodb_buffer_pool_instances = 8
innodb_data_file_path = ibdata1:12M:autoextend
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 32M
innodb_log_file_size = 2G
innodb_log_files_in_group = 3
innodb_redo_log_capacity = 6G
innodb_doublewrite_files = 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_open_files = 65534
#提醒：当需要用CLONE加密特性时，不要选用O_DIRECT模式，否则会比较慢
innodb_flush_method = O_DIRECT
innodb_lru_scan_depth = 4000
innodb_lock_wait_timeout = 10
innodb_rollback_on_timeout = 1
innodb_print_all_deadlocks = 1
innodb_online_alter_log_max_size = 4G
innodb_print_ddl_logs = 1
innodb_status_file = 1
innodb_status_output = 0
innodb_status_output_locks = 1
innodb_sort_buffer_size = 64M
innodb_adaptive_hash_index = 0
#开启NUMA支持
innodb_numa_interleave = ON
innodb_print_lock_wait_timeout_info = 1
#自动杀掉超过5分钟不活跃事务，避免行锁被长时间持有
kill_idle_transaction = 300
#异步清理大表
innodb_data_file_async_purge = ON

#innodb monitor settings
#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"

#pfs settings
performance_schema = 1
#performance_schema_instrument = '%memory%=on'
performance_schema_instrument = '%lock%=on'

• 问题反馈 gitee (opens new window)

• 扫码关注微信公众号