sqlKeepAlive
Used only by mysql database.
How often server should connect to the mysql database and send dummy packet (ping) to refresh its connection timeout.
Useful when there are not a lot of queries send to the server, otherwise it is better to keep this option disabled.
In seconds, 0 to disable.
Default: 0
mysqlReadTimeout
"The timeout in seconds for attempts to read from the server.
Each attempt uses this timeout value and there are retries if necessary, so the total effective timeout value is three times the option value.
You can set the value so that a lost connection can be detected earlier than the TCP/IP Close_Wait_Timeout value of 10 minutes"
(from mysql manual, original source at: [url=http://dev.mysql.com/doc/refman/5.5/en/mysql-options.html]MySQL :: MySQL 5.5 Reference Manual :: 20.9.3.49 mysql_options()[/url])
0 to disable.
Default: 10
mysqlWriteTimeout
"The timeout in seconds for attempts to write to the server. Each attempt uses this timeout value [...]"
(from mysql manual, original source at: [url=http://dev.mysql.com/doc/refman/5.5/en/mysql-options.html]MySQL :: MySQL 5.5 Reference Manual :: 20.9.3.49 mysql_options()[/url])
0 to disable.
Default: 10
encryptionType
Encryption method used to store passwords (and other sensitive data) safely in the database.
WARNING: Using plain passwords is not recommended and may lead to serious data leakage.
Values: md5, sha1, sha256, sha512, plain
Default: sha256
