InnoDB System Variables Saves a page number. Setting the  innodb_fil_make_page_dirty_debug  option dirties the page defined by  innodb_saved_page_number_debug . The  innodb_saved_page_number_debug option is only available if debugging support is compiled in using the  WITH_DEBUG CMake  option. Defines the percentage of tablespace file segment pages reserved as empty pages. Specifies the size of sort buffers used to sort data during creation of an  InnoDB  index. The specified size defines the amount of data that is read into memory for internal sorting and then written out to disk. This • innodb_sort_buffer_size • innodb_segment_reserve_factor SET_VAR  Hint Applies No Type Integer Default Value 0 Maximum Value 2**23-1 Command-Line Format --innodb-segment-reserve-factor=# Introduced 8.0.26 System Variable innodb_segment_reserve_factor Scope Global Dynamic Yes SET_VAR  Hint Applies No Type Numeric Default Value 12.5 Minimum Value 0.03 Maximum Value 40 Command-Line Format --innodb-sort-buffer-size=# System Variable innodb_sort_buffer_size Scope Global Dynamic No SET_VAR  Hint Applies No Type Integer Default Value 1048576 Minimum Value 65536 Maximum Value 67108864 3280