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How to Check Whether innodb_log_file_size is Big Enough, InnoDB Redo Log (Doc ID 1326051.1)

Last updated on JANUARY 09, 2024

Applies to:

MySQL Server - Version 4.0 and later
Information in this document applies to any platform.


Determine whether you need to increase innodb_log_file_size and what a good setting is.


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In this Document
 1. Get InnoDB status output
 2. Check the amount of log space in use
 A. MySQL 5.5 and later or InnoDB plugin in MySQL 5.1
 B. MySQL 5.1 and earlier without InnoDB plugin
 3. Compare used space to available space
 4. Monitoring with MySQL Enterprise Monitor
 5. Possible symptom of too-small size
 6. Recommended values
 7. Recommendations for MySQL 5.6 and later
 8. Other options
 9. Effects of a size that is too small

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