root@dcr-maria-1:/var/log/mysql# mysqld --print-defaults
mysqld would have been started with the following arguments:
--socket=/var/lib/mysql/mysql.sock --wsrep_provider=/usr/lib/galera/libgalera_smm.so --wsrep_cluster_address=gcomm://172.30.100.195,172.30.100.196,172.30.100.198,172.30.100.180?pc.wait_prim=no --wsrep_node_address=172.30.100.195 --wsrep_cluster_name=galeracluster --wsrep_node_name=dcr-maria-1 --wsrep_replicate_myisam=off --wsrep_slave_threads=24 --wsrep_retry_autocommit=5 --wsrep_provider_options=gcache.size=50G; repl.commit_order=3; gmcast.segment=2 --wsrep_sst_method=mariabackup --wsrep_sst_auth=sstuser:s3cretPass --master_verify_checksum=ON --binlog_row_image=minimal --wsrep_on=ON --sql_mode=ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION --symbolic-links=0 --default_storage_engine=InnoDB --innodb_file_per_table=1 --event_scheduler=on --datadir=/var/lib/mysql --socket=/var/lib/mysql/mysql.sock --wait_timeout=3600 --max_connections=2400 --max_allowed_packet=512M --max_connect_errors=10000 --net_read_timeout=1800 --connect_timeout=1800 --net_write_timeout=1800 --interactive_timeout=3600 --innodb_open_files=512 --innodb_buffer_pool_size=64G --innodb_buffer_pool_chunk_size=2G --innodb_flush_log_at_trx_commit=2 --sync_binlog=1 --innodb_flush_method=O_DIRECT_NO_FSYNC --transaction-isolation=READ-COMMITTED --innodb-data-file-path=ibdata1:10M:autoextend --innodb-log-file-size=256M --innodb_log_buffer_size=32M --skip-name-resolve --skip-external-locking --skip-innodb_doublewrite --query_cache_size=536870912 --query_cache_type=ON --query_cache_min_res_unit=2K --join_buffer_size=8M --read_rnd_buffer_size=3M --table_definition_cache=2048 --table_open_cache=2048 --thread_cache_size=128 --tmp_table_size=500M --max_heap_table_size=500M --long_query_time=10 --log_error=/var/log/mysql/mysql-error.log --slow_query_log_file=/var/log/mysql/mysql-slow.log --slow_query_log=ON --log_output=FILE --log_bin=/var/lib/mysql/master-bin --log_bin_index=/var/lib/mysql/master-bin.index --tmpdir=/opt/mysql_tmp --key_buffer_size=256M --binlog_format=ROW --server_id=195 --expire-logs_days=3 --max-binlog-size=1G --binlog-checksum=crc32 --optimizer_switch=derived_merge=off,derived_with_keys=off --table_open_cache_instances=16 --log_warnings=2 --innodb_autoinc_lock_mode=2 --innodb_lru_scan_depth=4096 --innodb_sync_array_size=16 --innodb_checksum_algorithm=crc32 --innodb_max_dirty_pages_pct=75 --innodb_read_io_threads=32 --innodb_write_io_threads=32 --innodb_lock_wait_timeout=120 --metadata_locks_hash_instances=256 --innodb_log_optimize_ddl=OFF --port=3306 --log_bin=/var/lib/mysql/master-bin --log_bin_index=/var/lib/mysql/master-bin.index --binlog_ignore_db=information_schema,mysql,test --expire_logs_days=3