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How can I change the size of my InnoDB log files?
To change the number or size of InnoDB log files, perform the following steps: Stop the MySQL server and make sure that it shuts down without errors. Edit my.cnf to change the log file configuration. To change the log file size, configure innodb_log_file_size. To increase the number of log files, configure innodb_log_files_in_group.
How to safely change MySQL InnoDB variable’innodsb _ buffer _ pool _ size?
Start the MySQL server again. If InnoDB detects that the innodb_log_file_size differs from the redo log file size, it will write a log checkpoint, close and remove the old log files, create new log files at the requested size, and open the new log files. innodb_buffer_pool_size — simply change my.cnf ( my.ini) and restart mysqld.
Is the InnoDB _ Fast _ Shutdown setting no longer relevant?
As of MySQL 5.6.8, the innodb_fast_shutdown setting is no longer relevant when changing the number or the size of InnoDB log files. Additionally, you are no longer required remove old log files, although you may still want to copy the old log files to a safe place, as a backup.
How to increase the number of log files in MySQL?
To increase the number of log files, configure innodb_log_files_in_group. Start the MySQL server again. If InnoDB detects that the innodb_log_file_size differs from the redo log file size, it will write a log checkpoint, close and remove the old log files, create new log files at the requested size, and open the new log files.
Why does MySQL not start when I change the log file size?
If you change the log file size, you need to remove the old log files. Innodb will not start successfully if the existing files do not match the specified size in the config file. If you move them elsewhere, innodb will create new transaction log files of the correct size when it starts.
How to change the log file size in MySQL?
To change the log file size, configure innodb_log_file_size. To increase the number of log files, configure innodb_log_files_in_group. Start the MySQL server again.
Which is the best redo space size for InnoDB?
Configuring InnoDB’s Redo space size is one of the most important configuration options for write-intensive workloads. However, it comes with trade-offs. The more Redo space you have configured, the better InnoDB can optimize write IO.