content_image/710917.jpg content_image/710918.jpg content_image/710919.jpg content_image/710920.jpg
<img src='content_image/710917.jpg'>

Enable this debug option to force InnoDB  to write a fuzzy checkpoint. This option is only available if debugging support is compiled in using the WITH_DEBUG CMake  option. 

• innodb_log_checkpoint_now 

<img src='content_image/710918.jpg'>

Enable this debug option to force InnoDB  to write a checkpoint. This option is only available if debugging support is compiled in using the WITH_DEBUG CMake  option. 

• innodb_log_checksums 

<img src='content_image/710919.jpg'>

Enables or disables checksums for redo log pages. 

innodb_log_checksums=ON  enables the CRC-32C  checksum algorithm for redo log pages. When innodb_log_checksums  is disabled, the contents of the redo log page checksum field are ignored. 

Checksums on the redo log header page and redo log checkpoint pages are never disabled. 

• innodb_log_compressed_pages 

<img src='content_image/710920.jpg'>

