Advanced parameters for Aiven for MySQL

See the configuration options available for Aiven for MySQL:

Parameter
additional_backup_regions array Additional Cloud Regions for Backup Replication
ip_filter array default: 0.0.0.0/0 IP filter Allow incoming connections from CIDR address block, e.g. '10.20.0.0/16'
service_log boolean,null Service logging Store logs for the service so that they are available in the HTTP API and console.
static_ips boolean Static IP addresses Use static public IP addresses
admin_username string,null Custom username for admin user. This must be set only when a new service is being created.
admin_password string,null Custom password for admin user. Defaults to random string. This must be set only when a new service is being created.
backup_hour integer,null max: 23 The hour of day (in UTC) when backup for the service is started. New backup is only started if previous backup has already completed.
backup_minute integer,null max: 59 The minute of an hour when backup for the service is started. New backup is only started if previous backup has already completed.
migration object,null Migrate data from existing server migration.host string Hostname or IP address of the server where to migrate data from migration.port integer min: 1 max: 65535 Port number of the server where to migrate data from migration.password string Password for authentication with the server where to migrate data from migration.ssl boolean default: true The server where to migrate data from is secured with SSL migration.username string User name for authentication with the server where to migrate data from migration.dbname string Database name for bootstrapping the initial connection migration.ignore_dbs string Comma-separated list of databases, which should be ignored during migration (supported by MySQL and PostgreSQL only at the moment) migration.ignore_roles string Comma-separated list of database roles, which should be ignored during migration (supported by PostgreSQL only at the moment) migration.method string The migration method to be used (currently supported only by Redis, Dragonfly, MySQL and PostgreSQL service types)
private_access object Allow access to selected service ports from private networks private_access.mysql boolean Allow clients to connect to mysql with a DNS name that always resolves to the service's private IP addresses. Only available in certain network locations private_access.mysqlx boolean Allow clients to connect to mysqlx with a DNS name that always resolves to the service's private IP addresses. Only available in certain network locations private_access.prometheus boolean Allow clients to connect to prometheus with a DNS name that always resolves to the service's private IP addresses. Only available in certain network locations
privatelink_access object Allow access to selected service components through Privatelink privatelink_access.mysql boolean Enable mysql privatelink_access.mysqlx boolean Enable mysqlx privatelink_access.prometheus boolean Enable prometheus
public_access object Allow access to selected service ports from the public Internet public_access.mysql boolean Allow clients to connect to mysql from the public internet for service nodes that are in a project VPC or another type of private network public_access.mysqlx boolean Allow clients to connect to mysqlx from the public internet for service nodes that are in a project VPC or another type of private network public_access.prometheus boolean Allow clients to connect to prometheus from the public internet for service nodes that are in a project VPC or another type of private network
service_to_fork_from string,null Name of another service to fork from. This has effect only when a new service is being created.
project_to_fork_from string,null Name of another project to fork a service from. This has effect only when a new service is being created.
mysql_version string,null MySQL major version
recovery_target_time string,null Recovery target time when forking a service. This has effect only when a new service is being created.
binlog_retention_period integer min: 600 max: 86400 The minimum amount of time in seconds to keep binlog entries before deletion. This may be extended for services that require binlog entries for longer than the default for example if using the MySQL Debezium Kafka connector.
mysql object mysql.conf configuration values mysql.sql_mode string sql_mode Global SQL mode. Set to empty to use MySQL server defaults. When creating a new service and not setting this field Aiven default SQL mode (strict, SQL standard compliant) will be assigned. mysql.connect_timeout integer min: 2 max: 3600 connect_timeout The number of seconds that the mysqld server waits for a connect packet before responding with Bad handshake mysql.default_time_zone string default_time_zone Default server time zone as an offset from UTC (from -12:00 to +12:00), a time zone name, or 'SYSTEM' to use the MySQL server default. mysql.group_concat_max_len integer min: 4 max: 18446744073709552000 group_concat_max_len The maximum permitted result length in bytes for the GROUP_CONCAT() function. mysql.information_schema_stats_expiry integer min: 900 max: 31536000 information_schema_stats_expiry The time, in seconds, before cached statistics expire mysql.innodb_change_buffer_max_size integer max: 50 innodb_change_buffer_max_size Maximum size for the InnoDB change buffer, as a percentage of the total size of the buffer pool. Default is 25 mysql.innodb_flush_neighbors integer max: 2 innodb_flush_neighbors Specifies whether flushing a page from the InnoDB buffer pool also flushes other dirty pages in the same extent (default is 1): 0 - dirty pages in the same extent are not flushed, 1 - flush contiguous dirty pages in the same extent, 2 - flush dirty pages in the same extent mysql.innodb_ft_min_token_size integer max: 16 innodb_ft_min_token_size Minimum length of words that are stored in an InnoDB FULLTEXT index. Changing this parameter will lead to a restart of the MySQL service. mysql.innodb_ft_server_stopword_table null,string innodb_ft_server_stopword_table This option is used to specify your own InnoDB FULLTEXT index stopword list for all InnoDB tables. mysql.innodb_lock_wait_timeout integer min: 1 max: 3600 innodb_lock_wait_timeout The length of time in seconds an InnoDB transaction waits for a row lock before giving up. Default is 120. mysql.innodb_log_buffer_size integer min: 1048576 max: 4294967295 innodb_log_buffer_size The size in bytes of the buffer that InnoDB uses to write to the log files on disk. mysql.innodb_online_alter_log_max_size integer min: 65536 max: 1099511627776 innodb_online_alter_log_max_size The upper limit in bytes on the size of the temporary log files used during online DDL operations for InnoDB tables. mysql.innodb_print_all_deadlocks boolean innodb_print_all_deadlocks When enabled, information about all deadlocks in InnoDB user transactions is recorded in the error log. Disabled by default. mysql.innodb_read_io_threads integer min: 1 max: 64 innodb_read_io_threads The number of I/O threads for read operations in InnoDB. Default is 4. Changing this parameter will lead to a restart of the MySQL service. mysql.innodb_rollback_on_timeout boolean innodb_rollback_on_timeout When enabled a transaction timeout causes InnoDB to abort and roll back the entire transaction. Changing this parameter will lead to a restart of the MySQL service. mysql.innodb_thread_concurrency integer max: 1000 innodb_thread_concurrency Defines the maximum number of threads permitted inside of InnoDB. Default is 0 (infinite concurrency - no limit) mysql.innodb_write_io_threads integer min: 1 max: 64 innodb_write_io_threads The number of I/O threads for write operations in InnoDB. Default is 4. Changing this parameter will lead to a restart of the MySQL service. mysql.interactive_timeout integer min: 30 max: 604800 interactive_timeout The number of seconds the server waits for activity on an interactive connection before closing it. mysql.internal_tmp_mem_storage_engine string internal_tmp_mem_storage_engine The storage engine for in-memory internal temporary tables. mysql.net_buffer_length integer min: 1024 max: 1048576 net_buffer_length Start sizes of connection buffer and result buffer. Default is 16384 (16K). Changing this parameter will lead to a restart of the MySQL service. mysql.net_read_timeout integer min: 1 max: 3600 net_read_timeout The number of seconds to wait for more data from a connection before aborting the read. mysql.net_write_timeout integer min: 1 max: 3600 net_write_timeout The number of seconds to wait for a block to be written to a connection before aborting the write. mysql.sql_require_primary_key boolean sql_require_primary_key Require primary key to be defined for new tables or old tables modified with ALTER TABLE and fail if missing. It is recommended to always have primary keys because various functionality may break if any large table is missing them. mysql.wait_timeout integer min: 1 max: 2147483 wait_timeout The number of seconds the server waits for activity on a noninteractive connection before closing it. mysql.max_allowed_packet integer min: 102400 max: 1073741824 max_allowed_packet Size of the largest message in bytes that can be received by the server. Default is 67108864 (64M) mysql.max_heap_table_size integer min: 1048576 max: 1073741824 max_heap_table_size Limits the size of internal in-memory tables. Also set tmp_table_size. Default is 16777216 (16M) mysql.sort_buffer_size integer min: 32768 max: 1073741824 sort_buffer_size Sort buffer size in bytes for ORDER BY optimization. Default is 262144 (256K) mysql.tmp_table_size integer min: 1048576 max: 1073741824 tmp_table_size Limits the size of internal in-memory tables. Also set max_heap_table_size. Default is 16777216 (16M) mysql.slow_query_log boolean slow_query_log Slow query log enables capturing of slow queries. Setting slow_query_log to false also truncates the mysql.slow_log table. mysql.long_query_time number max: 3600 long_query_time The slow_query_logs work as SQL statements that take more than long_query_time seconds to execute. mysql.log_output string log_output The slow log output destination when slow_query_log is ON. To enable MySQL AI Insights, choose INSIGHTS. To use MySQL AI Insights and the mysql.slow_log table at the same time, choose INSIGHTS,TABLE. To only use the mysql.slow_log table, choose TABLE. To silence slow logs, choose NONE.