1 # The MySQL server configuration file.
4 # One can use all long options that the mysqld supports.
5 # Run mysqld with --help to get a whole list of available options
7 # This section must be the first!
9 datadir = @clusterdir@/mysqldb/db
10 pid-file = @clusterdir@/mysqldb/mysql.pid
11 socket = @clusterdir@/mysqldb/mysql.sock
16 #ssl-ca = /etc/ssl/certs/mysql/ca-cert.pem
17 #ssl-cert = /etc/ssl/certs/mysql/server-cert.pem
18 #ssl-key = /etc/ssl/certs/mysql/server-key.pem
19 #ssl-cipher = DHE-RSA-AES256-SHA
21 #character-set-server=latin2
22 #collation-server=latin2_general_ci
23 #skip-character-set-client-handshake
25 # This variable controls the password hashing method used by the PASSWORD()
26 # function. It also influences password hashing performed by CREATE USER and
27 # GRANT statements that specify a password using an IDENTIFIED BY clause.
28 # http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_old_passwords
29 # Value | Password Hashing Method | Associated Authentication Plugin
30 # 0 | MySQL 4.1 native hashing | mysql_native_password
31 # 1 | Pre-4.1 ("old") hashing | mysql_old_password
32 # 2 | SHA-256 hashing | sha256_password
33 # If you set old_passwords=2, follow the instructions for using the sha256_password plugin at
34 # http://dev.mysql.com/doc/refman/5.6/en/sha256-authentication-plugin.html
37 # Don't use system locking
40 # Disabling symbolic-links is recommended to prevent assorted security risks
43 # Default storage engine is InnoDB since 5.5.5
44 # You may revert to previous behaviour by specifiying MyISAM here
45 #default-storage-engine=InnoDB
47 # Don't listen on a TCP/IP port at all. This is a security enhancement,
48 # if all processes that need to connect to mysqld run on the same host.
49 # All interaction with mysqld must be made via Unix sockets.
52 # IP address to bind to
53 #bind-address=127.0.0.1
58 # Emergency option. Use only if you really need this.
61 # http://dev.mysql.com/doc/refman/5.5/en/server-options.html#option_mysqld_default-storage-engine
62 #default-storage-engine=MyISAM
64 # Replication Master Server (default)
65 # binary logging is required for replication
68 # max size of master binlog files
71 # If non-zero, binary logs will be purged after expire_logs_days days; possible
72 # purges happen at startup and at binary log rotation.
75 # Normally, a slave does not log to its own binary log any updates that are
76 # received from a master server. This option tells the slave to log the updates
77 # performed by its SQL thread to its own binary log. For this option to have
78 # any effect, the slave must also be started with the --log-bin option to
79 # enable binary logging. --log-slave-updates is used when you want to chain
80 # replication servers.
83 # required unique id between 1 and 2^32 - 1
84 # defaults to 1 if master-host is not set but will not function as a master if omitted
87 # To set up N master servers, set the variables like this:
88 # Set auto_increment_increment to N on each master.
89 # Set each of the N masters to have a different auto_increment_offset, using the values 1, 2, ..., N
90 #auto-increment-offset=1
91 #auto-increment-increment=2
93 # databases to be included in binlog
96 #binlog-ignore-db=mysql
97 #binlog-ignore-db=test
100 #relay-log=slave-relay-bin
101 #report-host=db-slave.example.org
103 # skip startup of slave
106 # master does not ignore them, but we do
107 #replicate-ignore-db=mysql
108 #replicate-ignore-db=test
109 #replicate-ignore-table=db1.tbl1
110 #replicate-ignore-table=db2.tbl2
112 #replicate-rewrite-db=delfi->delfi_ro
114 # replication local log
115 #max_relay_log_size=256M
117 # https://dev.mysql.com/doc/refman/5.6/en/log-destinations.html
118 # global option where logs be written
119 # affects slow-query-log, general-log direcives
120 # Possible values: FILE, TABLE
121 # NOTE: when using table, you can switch to MyISAM, but the contents is still
122 # not replicated, also mysqldump will not dump data, only create table
127 # mysqld error log (stderr)
128 log-error = /var/log/mysql/mysqld.log
133 slow-query-log-file = /var/log/mysql/slow.log
135 # Log connections and queries. It slows down MySQL so it's disabled by default
137 #general-log-file = /var/log/mysql/query.log
140 #log-update = /var/log/mysql/update
141 # Log some extra information to update log
147 # Path for temporary files. Several paths may be specified, separated by a
148 # colon (:), in this case they are used in a round-robin fashion.
152 # Internal server variables
157 #delayed_insert_timeout=300
158 #delayed_insert_limit=100
160 #join_buffer_size=131072
162 #read_rnd_buffer_size=256K
163 #read_buffer_size=132K
165 #max_allowed_packet=1M
167 #max_user_connections=0
168 #max_connect_errors=10
169 #max_delayed_threads=20
170 #delayed_queue_size=1000
171 #max_join_size=4294967295
172 #max_sort_length=1024
173 #max_write_lock_count=4294967295
174 #net_buffer_length=16384
175 #record_buffer=131072
179 #max_heap_table_size=32M
180 #thread_cache_size=16
182 # http://www.mysqlperformanceblog.com/2012/06/04/thread_concurrency-doesnt-do-what-you-expect/
183 # thread_concurrency is deprecated, removed in 5.6.1 and works on old Solaris versions < 9
186 #query_cache_limit=1M
188 # Fulltext search options
192 # MyISAM tables options
195 # Don't flush key buffers between writes for any MyISAM
196 # set this if you have dedicated slave server where writes aren't important
197 #delay-key-write-for-all-tables
199 # Repair automatically on open if the table wasn't closed properly.
202 #myisam_sort_buffer_size=4M
205 # To completely disable InnoDB, use this option
206 # this makes all innodb options being unknown options (including skip-innodb)
208 #ignore-builtin-innodb
211 # InnoDB tables options (see MySQL manual)
215 # http://stackoverflow.com/questions/2646373/mysql-data-file-wont-shrink
216 # http://dev.mysql.com/doc/refman/5.5/en/innodb-multiple-tablespaces.html
217 innodb_file_per_table
219 # these are actual defaults (as of 5.0.26)
220 innodb_data_home_dir = @clusterdir@/mysqldb/db
221 innodb_data_file_path = ibdata1:10M:autoextend
222 innodb_mirrored_log_groups=1
223 innodb_log_group_home_dir = @clusterdir@/mysqldb/db
224 innodb_log_files_in_group=2
225 innodb_log_file_size=5M
226 innodb_log_buffer_size=1M
228 #innodb_flush_log_at_trx_commit=1
229 #innodb_log_arch_dir = @clusterdir@/innodb/log
230 #innodb_log_archive=0
231 #innodb_buffer_pool_size=80M
232 #innodb_additional_mem_pool_size=10M
233 #innodb_file_io_threads=4
234 #innodb_lock_wait_timeout=50
236 # used for logs rotation or status check for replications
238 user = mysql_sysadmin