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MySQL: Why min innodb_log_files_in_group is 2 ?

 
Dmitriy Kastikovich
Greenhorn
Posts: 23
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Hi!

Can anyone say why MySQL InnoDB param 'innodb_log_files_in_group' need minimum two file for logging?
Is it for locking one file to save it to real data while current transactions will save to the second binary log file?

Thanks.
 
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