#
# These groups are read by MariaDB server.
# Use it for options that only the server (but not clients) should see

# this is read by the standalone daemon and embedded servers
[server]

# this is only for the mysqld standalone daemon
[mysqld]

#
# * Basic Settings
#

user                    = mysql
pid-file                = /run/mysqld/mysqld.pid
basedir                 = /usr
datadir                 = /var/lib/mysql
tmpdir                  = /run/mysqld
innodb_log_group_home_dir = /var/lib/mysql_log
lc-messages-dir         = /usr/share/mysql
lc-messages             = en_US
skip-external-locking
socket		= /var/run/mysqld/mysqld.sock

# Broken reverse DNS slows down connections considerably and name resolve is
# safe to skip if there are no "host by domain name" access grants
skip-name-resolve

# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address            = 127.0.0.1

#
# * Fine Tuning
#
max_connections		= 1100
connect_timeout		= 10
wait_timeout		= 300
interactive_timeout     = 300
net_write_timeout	= 90
net_read_timeout	= 60
max_allowed_packet      = 768M
thread_cache_size       = 1024
sort_buffer_size        = 128M
bulk_insert_buffer_size = 32M
tmp_table_size          = 8G
max_heap_table_size     = 8G
thread_handling         = pool-of-threads
transaction-isolation   = READ-COMMITTED
group_concat_max_len    = 15360
performance_schema      = ON
# Found to be faster on large complicated queries a long time ago. Need to test with this turned off on MariaDB >10.6
optimizer_search_depth	= 8

#
# * MyISAM
#
# This replaces the startup script and checks MyISAM tables if needed
# the first time they are touched. On error, make copy and try a repair.
myisam_recover_options = BACKUP
key_buffer_size		= 2M
#open-files-limit	= 200
table_open_cache        = 6000
table_cache             = 3000
table_definition_cache  = 2800
myisam_sort_buffer_size = 8M
concurrent_insert	= 2
read_buffer_size	= 4M
read_rnd_buffer_size	= 4M
join_buffer_size        = 8M

query_cache_limit		= 4M
#query_cache_size		= 128M
query_cache_size		= 0
query_cache_type		= OFF

#
# * Logging and Replication
#

# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
# Recommend only changing this at runtime for short testing periods if needed!
#general_log_file       = /var/log/mysql/mysql.log
#general_log            = 1

# When running under systemd, error logging goes via stdout/stderr to journald
# and when running legacy init error logging goes to syslog due to
# /etc/mysql/conf.d/mariadb.conf.d/50-mysqld_safe.cnf
# Enable this if you want to have error logging into a separate file
#log_error = /var/log/mysql/error.log

# Enable the slow query log to see queries with especially long duration
#slow_query_log_file    = /var/log/mysql/mariadb-slow.log
#long_query_time        = 10
#log_slow_verbosity     = query_plan,explain
#log-queries-not-using-indexes
#min_examined_row_limit = 1000

slow_query_log=0
slow_query_log_file	= /var/log/mysql/mariadb-slow.log
long_query_time = 30
#log_slow_rate_limit	= 1000
log_slow_verbosity	= query_plan


# The following can be used as easy to replay backup logs or for replication.
# note: if you are setting up a replication slave, see README.Debian about
#       other settings you may need to change.
#server-id              = 1
#log_bin                = /var/log/mysql/mysql-bin.log
expire_logs_days        = 10
#max_binlog_size        = 100M

#
# * SSL/TLS
#

# For documentation, please read
# https://mariadb.com/kb/en/securing-connections-for-client-and-server/
#ssl-ca = /etc/mysql/cacert.pem
#ssl-cert = /etc/mysql/server-cert.pem
#ssl-key = /etc/mysql/server-key.pem
#require-secure-transport = on

#
# * Character sets
#

# MySQL/MariaDB default is Latin1, but in Debian we rather default to the full
# utf8 4-byte character set. See also client.cnf
character-set-server  = utf8mb4
collation-server      = utf8mb4_general_ci


#
# * InnoDB
#

# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!
# Most important is to give InnoDB 80 % of the system RAM for buffer use:
# https://mariadb.com/kb/en/innodb-system-variables/#innodb_buffer_pool_size
innodb_log_file_size    = 24G
innodb_buffer_pool_size	= 96G
innodb_log_buffer_size  = 200M
innodb_file_per_table	= ON
innodb_open_files       = 1800
# Not sure if we still need this? (NVME Disks)
innodb_io_capacity      = 30000
innodb_io_capacity_max  = 35000
#innodb_flush_method	= O_DIRECT # Is now default since 10.6
innodb_flush_log_at_trx_commit = 0
innodb_strict_mode = 1
innodb_compression_level = 1
innodb_adaptive_hash_index = OFF
innodb_lock_wait_timeout = 60
innodb_flush_neighbors = 0
innodb_use_atomic_writes = 0
innodb_write_io_threads = 64
innodb_read_io_threads = 64
innodb_lru_scan_depth   = 512
innodb_print_all_deadlocks = ON

# ZFS
innodb_log_write_ahead_size=16384
innodb_doublewrite = 0
innodb_use_native_aio = 0
#innodb_checksum_algorithm=none

# this is only for embedded server
[embedded]

# This group is only read by MariaDB servers, not by MySQL.
# If you use the same .cnf file for MySQL and MariaDB,
# you can put MariaDB-only options here
[mariadb]

# This group is only read by MariaDB-10.6 servers.
# If you use the same .cnf file for MariaDB of different versions,
# use this group for options that older servers don't understand
#[mariadb-10.6]