# This was formally known as [safe_mysqld]. Both versions are currently parsed.
[mysqld_safe]
socket		= /var/run/mysqld/mysqld.sock
#nice		= -10
open-files-limit=8192

[mysqld]
old_passwords = false # inserted by debconf
#
# * Basic Settings
#
user		= mysql
pid-file	= /var/run/mysqld/mysqld.pid
socket		= /var/run/mysqld/mysqld.sock
port		= 3306
basedir		= /usr
datadir		= /data/mysql
tmpdir		= /data/mysql/tmp
language	= /usr/share/mysql/english

skip-external-locking
skip-slave-start

back_log  = 200
max_connect_errors = 9999999

key_buffer		= 64M
max_allowed_packet	= 16M
thread_stack		= 128K
table_cache = 512
sort_buffer_size = 2M
join_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 1M
thread_cache = 8
query_cache_size = 48M
tmp_table_size = 48M
query_cache_limit = 2M

# This buffer is allocated when MySQL needs to rebuild the index in
# REPAIR, OPTIMIZE, ALTER table statements as well as in LOAD DATA INFILE
# into an empty table. It is allocated per thread so be careful with
# large settings.
myisam_sort_buffer_size = 64M

# The maximum size of the temporary file MySQL is allowed to use while
# recreating the index (during REPAIR, ALTER TABLE or LOAD DATA INFILE.
# If the file-size would be bigger than this, the index will be created
# through the key cache (which is slower).
myisam_max_sort_file_size = 10G

# If the temporary file used for fast index creation would be bigger
# than using the key cache by the amount specified here, then prefer the
# key cache method.  This is mainly used to force long character keys in
# large tables to use the slower key cache method to create the index.
myisam_max_extra_sort_file_size = 10G

# If a table has more than one index, MyISAM can use more than one
# thread to repair them by sorting in parallel. This makes sense if you
# have multiple CPUs and plenty of memory.
myisam_repair_threads = 1

#
# * Query Cache Configuration
#
query_cache_type        = 1

#
# * Logging and Replication
#
# Both location gets rotated by the cronjob.
# Be aware that this log type is a performance killer.
#log		= /var/log/mysql.log
#log		= /var/log/mysql/mysql.log
#
# Error logging goes to syslog. This is a Debian improvement :)
#
# Here you can see queries with especially long duration
log-slow-queries	= /var/log/mysql/mysql-slow.log
long_query_time 	= 2

#
# The following can be used as easy to replay backup logs or for replication.
server-id		= 1
log-bin			= /data/mysql/mysql-bin.log
expire-logs-days	= 20

#
# * BerkeleyDB
#
# According to an MySQL employee the use of BerkeleyDB is now discouraged
# and support for it will probably cease in the next versions.
skip-bdb
#
# * 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!

innodb_buffer_pool_size = 2800M
innodb_file_per_table = true
innodb_data_file_path= ibdata1:2G;ibdata2:1G:autoextend
innodb_data_home_dir = /data/mysql
innodb_flush_method = O_DIRECT
innodb_log_buffer_size = 16M
innodb_log_file_size = 512M
innodb_log_group_home_dir = /data/mysql
innodb_additional_mem_pool_size=20M

# 2..4(NumCpu+NumDrives)
innodb_thread_concurrency = 12

# fully acid
innodb_flush_log_at_trx_commit = 1
sync_binlog=1

# no need of XA
innodb_support_xa=0