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percona-toolkit/t/pt-variable-advisor/samples/vars001-verbose.txt
2011-06-24 16:02:05 -06:00

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# WARN delay_key_write: MyISAM index blocks are never flushed until necessary. If there is a server crash, data corruption on MyISAM tables can be much worse than usual.
# WARN innodb_log_file_size: The InnoDB log file size is set to its default value, which is not usable on production systems.
# NOTE log_warnings-2: Log_warnings must be set greater than 1 to log unusual events such as aborted connections.
# NOTE max_connect_errors: max_connect_errors should probably be set as large as your platform allows.
# NOTE port: The server is listening on a non-default port.
# WARN slave_net_timeout: This variable is set too high. This is too long to wait before noticing that the connection to the master has failed and retrying.
# NOTE innodb_data_file_path: Auto-extending InnoDB files can consume a lot of disk space that is very difficult to reclaim later. Some people prefer to set innodb_file_per_table and allocate a fixed-size file for ibdata1.
# NOTE innodb_flush_method: Most production database servers that use InnoDB should set innodb_flush_method to O_DIRECT to avoid double-buffering, unless the I/O system is very low performance.
# WARN myisam_recover_options: myisam_recover_options should be set to some value such as BACKUP,FORCE to ensure that table corruption is noticed.
# WARN sync_binlog: Binary logging is enabled, but sync_binlog isn't configured so that every transaction is flushed to the binary log for durability.