[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
character_set_server=utf8mb4
lower_case_table_names=0
skip_name_resolve
max_allowed_packet = 128M
max_connections = 100000
max_connect_errors = 1000000
wait_timeout = 3600
tmp_table_size = 32M
max_heap_table_size = 32M
query_cache_type = 0
query_cache_size = 0
thread_cache_size = 100
open_files_limit = 65535
table_definition_cache = 1024
table_open_cache = 20480
innodb_flush_method = O_DIRECT
innodb_log_files_in_group = 2
innodb_log_file_size = 2G
innodb_flush_log_at_trx_commit = 2
innodb_file_per_table = 1
innodb_buffer_pool_size = 5G
innodb_thread_concurrency = 8
innodb_buffer_pool_instances = 9
metadata_locks_hash_instances = 256
innodb_io_capacity = 4000
innodb_io_capacity_max = 6000
innodb_lru_scan_depth = 2000
innodb_write_io_threads = 40
innodb_read_io_threads = 60
# Disabling symbolic_links is recommended to prevent assorted security risks
symbolic_links=0
sql_mode=STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
log_error=/var/log/mysqld.log
pid_file=/var/run/mysqld/mysqld.pid
